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gc3-j025e page 1 application manual cmos ldo regulator ic tk631xxb/h/s contents 1 . description 2 2 . features 2 3 . applications 2 4 . pin configuration 2 5 . block diagram 2 6 . ordering information 3 7 . absolute maximum ratings 3 8 . electrical characteristics 4 9 . test circuit 7 10 . typical characteristics 9 11 . pin description 26 12 . applications information 27 13 . package outline 32 14 . notes 35 15. offices 35
tk631xxb/h/s gc3-j025e page 2 cmos ldo regulator tk631xxb/h/s 1. description the tk631xxb/h/s is a cmos ldo regulator. the packages are the very small 4-bump flip chip, the small and thin son2017-6, and the extremely versatile sot23- 5. the ic is designed for portable applications with space requirements, battery powered system and any electronic equipment. the ic does not require a noise-bypass capacitor. the ic offers high accuracy (1%) and low dropout voltage. the output voltage is internally fixed from 1.5v to 4.2v. 2. features ? high accuracy (1%) ? packages: fc-4 / son2017-6 / sot23-5 ? no noise bypass capacitor required ? low dropout voltage ? thermal and over current protection ? high maximum load current ? on/off control 3. applications ? mobile communication ? battery powered system ? any electronic equipment 4. pin configuration ? fc-4 (tk631xxb) (top view) a1 a2 b1 b2 gnd v cont v in v out a1 mark ? son2017-6 (tk631xxh) v out gnd v in (top view) v cont nc gnd 6 5 4 1 2 3 ? sot23-5 (tk631xxs) v out 1 2 3 5 4 gnd v in (top view) v cont nc 5. block diagram v in gnd v cont v out c in c out on/off control v ref thermal & over current protection
tk631xxb/h/s gc3-j025e page 3 6. ordering information t k 6 3 1 voltage code (refer to the following table) package code b : fc-4 h : son2017-6 package s : sot23-5 package operating temp. range code c : c rank(standard) only tape/reel code b : normal type for fc l : normal type for plastic packages c solder composion code - g : lead free brank : lead containing output voltage voltage code output voltage voltage code output voltage voltage code 1.5v 15 2.8v 28 3.3v 33 1.6v 16 2.85 v 01 3.5v 35 1.8v 18 2.9v 29 2.5v 25 3.0v 30 2.6v 26 3.1v 31 2.7v 27 3.2v 32 *if you need a voltage other than the value listed in the above table, please contact toko. 7. absolute maximum ratings t a =25 c parameter symbol rating units conditions absolute maximum ratings input voltage v in,max -0.3 ~ 7.0 v output pin voltage v out,max -0.3 ~ v in +0.3 v control pin voltage v cont,max -0.3 ~ 7.0 v storage temperature range t stg -55 ~ 150 c power dissipation p d 360 500 mw internal limited t j =150c *, when mounted on pcb fc-4 son2017-6 , sot23-5 operating condition operational temperature range t op -40 ~ 85 c operational voltage range v op 2.0 ~ 6.0 v * p d must be decreased at the rate of 2.9mw/ c (fc-4) or 4mw/ c (son2017-6 , sot23-5) for operation above 25 c. the maximum ratings are the absolute limitation values with the possibility of the ic breakage. when the operation exceeds this standard quality can not be guaranteed.
tk631xxb/h/s gc3-j025e page 4 8. electrical characteristics the parameters with min. or max. values will be guaranteed at t a =t j =25 c with test when manufacturing or sqc(statistical quality control) methods. the operation between -40 ~ 85 c is guaranteed when design. v in =v out , typ +1v, v cont =1.3v, t a =t j =25c value parameter symbol min typ max units conditions output voltage v out refer to table 1 vi out =5ma line regulation linreg - 0.0 4.0 mv ? v in =1v load regulation loareg refer to table 2 mv refer to table 2 dropout voltage *1 v drop refer to table 2 mv refer to table 2 maximum load current *2 i out,max 210 300 - ma v out =v out,typ 0.9 quiescent current i q - 80 120 a i out =0ma, v cont =v in standby current i standby - 0.01 0.1 a v cont =0v gnd pin current i gnd - 90 150 a i out =50ma, v cont =v in control terminal control current i cont - 2.0 4.0 a v cont =1.3v 1.3 - - v v out on state control voltage v cont - - 0.25 v v out off state reference value output voltage / temp. ? v out / ? t a - 100 - ppm/c i out =5ma output noise voltage (tk63128) v noise -40- vrms c out =1.0f , i out =30ma , bpf=400hz~80khz ripple rejection (tk63128) rr - 70 - db c out =1.0f , i out =10ma , f=1khz rise time (tk63128) t r -30-s c out =1.0f , v cont : pulse wave (100hz) , v cont on v out 95% point *1 : for v out 2.0v , no regulations. *2 : the maximum output current is limited by power dissipation. general note parameters with only typical values are just reference. (not guaranteed) the noise level is dependent on the output voltage, the capacitance and capacitor characteristics.
tk631xxb/h/s gc3-j025e page 5 table 1 . preferred product output voltage min typ max part number vvv tk63115b/h/s 1.485 1.500 1.515 tk63116b/h/s 1.584 1.600 1.616 tk63118b/h/s 1.782 1.800 1.818 tk63125b/h/s 2.475 2.500 2.525 tk63126b/h/s 2.574 2.600 2.626 tk63127b/h/s 2.673 2.700 2.727 tk63128b/h/s 2.772 2.800 2.828 TK63101B/h/s 2.821 2.850 2.879 tk63129b/h/s 2.871 2.900 2.929 tk63130b/h/s 2.970 3.000 3.030 tk63131b/h/s 3.069 3.100 3.131 tk63132b/h/s 3.168 3.200 3.232 tk63133b/h/s 3.267 3.300 3.333 tk63135b/h/s 3.465 3.500 3.535 notice. please contact your authorized toko representative for voltage availability .
tk631xxb/h/s gc3-j025e page 6 table 2 . preferred product load regulation dropout voltage i out =5 ~ 100ma i out =5 ~ 150ma i out =5 ~ 200ma i out =100ma i out =150ma i out =200ma typ max typ max typ max typ max typ max typ max part number mv mv mv mv mv mv mv mv mv mv mv mv tk63115b 4 16 6 24 8 32 155 - 235 - 315 - tk63116b 4 16 6 24 8 32 150 - 220 - 295 - tk63118b 4 16 6 24 8 32 130 - 195 - 280 - tk63125b 4 16 6 24 9 36 95 145 155 220 280 380 tk63126b 4 16 6 24 9 36 90 140 155 210 280 380 tk63127b 4 16 6 24 9 36 85 135 155 205 280 380 tk63128b 4 16 6 24 9 36 85 130 155 195 280 380 TK63101B 4 16 6 24 9 36 80 130 155 195 280 380 tk63129b 4 16 6 24 9 36 80 125 155 195 280 380 tk63130b 4 16 6 24 9 36 80 125 155 195 280 380 tk63131b 4 16 7 28 9 36 80 125 155 195 280 380 tk63132b 4 16 7 28 9 36 80 125 155 195 280 380 tk63133b 4 16 7 28 9 36 80 125 155 195 280 380 tk63135b 4 16 7 28 9 36 80 125 155 195 280 380 load regulation dropout voltage i out =5 ~ 100ma i out =5 ~ 150ma i out =5 ~ 200ma i out =100ma i out =150ma i out =200ma typ max typ max typ max typ max typ max typ max part number mv mv mv mv mv mv mv mv mv mv mv mv tk63115h/s 9 36 15 60 20 80 180 - 260 - 340 - tk63116h/s 9 36 15 60 20 80 160 - 240 - 320 - tk63118h/s 9 36 15 60 20 80 135 - 205 - 300 - tk63125h/s 9 36 15 60 20 80 105 160 175 260 300 420 tk63126h/s 9 36 15 60 20 80 105 155 170 255 300 420 tk63127h/s 9 36 15 60 20 80 100 150 180 265 300 420 tk63128h/s 9 36 15 60 20 80 100 145 180 265 300 420 tk63101h/s 9 36 15 60 20 80 95 140 180 265 300 420 tk63129h/s 9 36 15 60 20 80 95 140 180 265 300 420 tk63130h/s 9 36 15 60 20 80 95 140 180 265 300 420 tk63131h/s 9 36 15 60 20 80 95 140 180 265 300 420 tk63132h/s 9 36 15 60 20 80 95 140 180 265 300 420 tk63133h/s 9 36 15 60 20 80 95 140 180 265 300 420 tk63135h/s 9 36 15 60 20 80 95 140 180 265 300 420
tk631xxb/h/s gc3-j025e page 7 9. test circuit i out =5ma c out =1.0uf c in =1.0uf v cont v _ a _ i cont v out v in = v out,typ +1.0v a _ v in v out v cont gnd i in ? test circuit for electrical characteristic notice. the limit value of electrical characteristics is applied when c in =1.0 f(ceramic), c out =1.0 f(ceramic). but c in , and c out can be used with both ceramic and tantalum capacitors. i out c out =1.0uf c in =1.0uf v cont v _ a _ i cont v out v in v in v out v cont gnd ? ? v out vs v in ? v drop vs i out ? v out vs i out ? ? v out vs i out ? ? v out vs t a ? v drop vs t a ? i out,max vs t a ? i cont vs v cont , v out vs v cont ? i cont vs t a ? v cont vs t a ? v noise vs v in ? v noise vs i out ? v noise vs v out ? v noise vs frequency c out =1.0uf c in =1.0uf v cont a _ i cont v in = v out,typ +1.0v a _ v in v out v cont gnd i in open ? i q vs v in ? i standby vs v in ? i q vs t a i out c out =1.0uf c in =1.0uf v cont v in = v out,typ +1.0v v in v out v cont gnd a _ i gnd a _ i cont ? i gnd vs i out ? i gnd vs t a
tk631xxb/h/s gc3-j025e page 8 i out =10ma c out =1.0uf v in v out v cont gnd v in = v out,typ +1.5v v ripple = 500mv p-p v cont =1.3v ? rr vs v in ? rr vs frequency ? rr vs frequency c out =1.0uf v _ v out v in v out v cont gnd v out,typ +1v v out,typ +2v v cont =1.3v i out =5ma ? line transient c out =1.0uf c in =1.0uf v _ v out v in = v out,typ +1.0v v in v out v cont gnd i out v cont =1.3v ? load transient i out =5ma c out =1.0uf c in =1.0uf v _ v out v in = v out,typ +1.0v v in v out v cont gnd v cont =0v 1.3v ? on/off transient
tk631xxb/h/s gc3-j025e page 9 10. typical characteristics 10-1. dc characteristics ? ? v out vs v in (tk63115b/h/s) v in [v] 0123456 ? v out [mv] -30 -25 -20 -15 -10 -5 0 5 10 i out =5ma ? ? v out vs v in (tk63128b/h/s) v in [v] 0123456 ? v out [mv] -30 -25 -20 -15 -10 -5 0 5 10 i out =5ma ? ? v out vs v in (tk63142b/h/s) v in [v] 0123456 ? v out [mv] -30 -25 -20 -15 -10 -5 0 5 10 i out =5ma ? ? v out vs v in (tk63115b) v in -v out [mv] -100 0 100 200 300 ? v out [mv] -100 -80 -60 -40 -20 0 20 40 i out =0, 50, 100, 150ma ? ? v out vs v in (tk63128b) v in -v out [mv] -100 0 100 200 300 ? v out [mv] -100 -80 -60 -40 -20 0 20 40 i out =0, 50, 100, 150ma ? ? v out vs v in (tk63142b) v in -v out [mv] -100 0 100 200 300 ? v out [mv] -100 -80 -60 -40 -20 0 20 40 i out =0, 50, 100, 150ma
tk631xxb/h/s gc3-j025e page 10 ? ? v out vs v in (tk63115h/s) v in -v out [mv] -100 0 100 200 300 ? v out [mv] -100 -80 -60 -40 -20 0 20 40 i out =0, 50, 100, 150ma ? ? v out vs v in (tk63128h/s) v in -v out [mv] -100 0 100 200 300 ? v out [mv] -100 -80 -60 -40 -20 0 20 40 i out =0, 50, 100, 150ma ? ? v out vs v in (tk63142h/s) v in -v out [mv] -100 0 100 200 300 ? v out [mv] -100 -80 -60 -40 -20 0 20 40 i out =0, 50, 100, 150ma ? v drop vs i out (tk63115b) i out [ma] 0 50 100 150 200 v drop [mv] -400 -350 -300 -250 -200 -150 -100 -50 0 ? v drop vs i out (tk63128b) i out [ma] 0 50 100 150 200 v drop [mv] -400 -350 -300 -250 -200 -150 -100 -50 0 ? v drop vs i out (tk63142b) i out [ma] 0 50 100 150 200 v drop [mv] -400 -350 -300 -250 -200 -150 -100 -50 0
tk631xxb/h/s gc3-j025e page 11 ? v drop vs i out (tk63115h/s) i out [ma] 0 50 100 150 200 v drop [mv] -400 -350 -300 -250 -200 -150 -100 -50 0 ? v drop vs i out (tk63128h/s) i out [ma] 050100150200 v drop [mv] -400 -350 -300 -250 -200 -150 -100 -50 0 ? v drop vs i out (tk63142h/s) i out [ma] 050100150200 v drop [mv] -400 -350 -300 -250 -200 -150 -100 -50 0 ? v out vs i out (tk63115b/h/s) i out [ma] 0 100 200 300 400 500 v out [v] 0 0.5 1 1.5 2 ? v out vs i out (tk63128b/h/s) i out [ma] 0 100 200 300 400 500 v out [v] 0 0.5 1 1.5 2 2.5 3 3.5 4 ? v out vs i out (tk63142b/h/s) i out [ma] 0 100 200 300 400 500 v out [v] 0 1 2 3 4 5 6
tk631xxb/h/s gc3-j025e page 12 ? ? v out vs i out (tk63115b) i out [ma] 0 50 100 150 200 ? v out [mv] -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 ? ? v out vs i out (tk63128b) i out [ma] 0 50 100 150 200 ? v out [mv] -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 ? ? v out vs i out (tk63142b) i out [ma] 0 50 100 150 200 ? v out [mv] -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 ? ? v out vs i out (tk63115h/s) i out [ma] 0 50 100 150 200 ? v out [mv] -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 ? ? v out vs i out (tk63128h/s) i out [ma] 0 50 100 150 200 ? v out [mv] -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 ? ? v out vs i out (tk63142h/s) i out [ma] 0 50 100 150 200 ? v out [mv] -40 -35 -30 -25 -20 -15 -10 -5 0 5 10
tk631xxb/h/s gc3-j025e page 13 ? ? v out vs t a (tk63115b/h/s) t a [c] -50 -25 0 25 50 75 100 ? v out [mv] -100 -80 -60 -40 -20 0 20 40 60 80 100 ? ? v out vs t a (tk63128b/h/s) t a [c] -50 -25 0 25 50 75 100 ? v out [mv] -100 -80 -60 -40 -20 0 20 40 60 80 100 ? ? v out vs t a (tk63142b/h/s) t a [c] -50 -25 0 25 50 75 100 ? v out [mv] -100 -80 -60 -40 -20 0 20 40 60 80 100 ? v drop vs t a (tk63115b) t a [c] -50 -25 0 25 50 75 100 v drop [mv] -400 -350 -300 -250 -200 -150 -100 -50 0 i out =100ma i out =150ma ? v drop vs t a (tk63128b) t a [c] -50 -25 0 25 50 75 100 v drop [mv] -400 -350 -300 -250 -200 -150 -100 -50 0 i out =100ma i out =150ma ? v drop vs t a (tk63142b) t a [c] -50 -25 0 25 50 75 100 v drop [mv] -400 -350 -300 -250 -200 -150 -100 -50 0 i out =100ma i out =150ma
tk631xxb/h/s gc3-j025e page 14 ? v drop vs t a (tk63115h/s) t a [c] -50 -25 0 25 50 75 100 v drop [mv] -400 -350 -300 -250 -200 -150 -100 -50 0 i out =100ma i out =150ma ? v drop vs t a (tk63128h/s) t a [c] -50-250 255075100 v drop [mv] -400 -350 -300 -250 -200 -150 -100 -50 0 i out =100ma i out =150ma ? v drop vs t a (tk63142h/s) t a [c] -50-250 255075100 v drop [mv] -400 -350 -300 -250 -200 -150 -100 -50 0 i out =100ma i out =150ma ? i out,max vs t a (tk63115b/h/s) t a [c] -50 -25 0 25 50 75 100 i out,max [ma] 200 300 400 ? i out,max vs t a (tk63128b/h/s) t a [c] -50 -25 0 25 50 75 100 i out,max [ma] 200 300 400 ? i out,max vs t a (tk63142b/h/s) t a [c] -50 -25 0 25 50 75 100 i out,max [ma] 200 300 400
tk631xxb/h/s gc3-j025e page 15 ? i q vs v in (tk63115b/h/s) v in [v] 0123456 i q [a] 0 20 40 60 80 100 120 140 v cont =v in ? i q vs v in (tk63128b/h/s) v in [v] 0123456 i q [a] 0 20 40 60 80 100 120 140 v cont =v in ? i q vs v in (tk63142b/h/s) v in [v] 0123456 i q [a] 0 20 40 60 80 100 120 140 v cont =v in ? i standby vs v in (tk63115b/h/s) v in [v] 0123456 i standby [na] 0 1 2 3 4 5 6 7 8 9 10 v cont =0v ? i standby vs v in (tk63128b/h/s) v in [v] 0123456 i standby [na] 0 1 2 3 4 5 6 7 8 9 10 v cont =0v ? i standby vs v in (tk63142b/h/s) v in [v] 0123456 i standby [na] 0 1 2 3 4 5 6 7 8 9 10 v cont =0v
tk631xxb/h/s gc3-j025e page 16 ? i gnd vs i out (tk63115b/h/s) i out [ma] 0 50 100 150 200 i gnd [a] 0 20 40 60 80 100 120 140 160 180 200 v cont =v in ? i gnd vs i out (tk63128b/h/s) i out [ma] 0 50 100 150 200 i gnd [a] 0 20 40 60 80 100 120 140 160 180 200 v cont =v in ? i gnd vs i out (tk63142b/h/s) i out [ma] 0 50 100 150 200 i gnd [a] 0 20 40 60 80 100 120 140 160 180 200 v cont =v in ? i q vs t a (tk63115b/h/s) t a [c] -50 -25 0 25 50 75 100 i q [a] 0 20 40 60 80 100 120 140 v cont =v in ? i q vs t a (tk63128b/h/s) t a [c] -50 -25 0 25 50 75 100 i q [a] 0 20 40 60 80 100 120 140 v cont =v in ? i q vs t a (tk63142b/h/s) t a [c] -50 -25 0 25 50 75 100 i q [a] 0 20 40 60 80 100 120 140 v cont =v in
tk631xxb/h/s gc3-j025e page 17 ? i gnd vs t a (tk63115b/h/s) t a [c] -50 -25 0 25 50 75 100 i gnd [a] 0 20 40 60 80 100 120 140 v cont =v in , i out =50ma ? i gnd vs t a (tk63128b/h/s) t a [c] -50 -25 0 25 50 75 100 i gnd [a] 0 20 40 60 80 100 120 140 v cont =v in , i out =50ma ? i gnd vs t a (tk63142b/h/s) t a [c] -50 -25 0 25 50 75 100 i gnd [a] 0 20 40 60 80 100 120 140 v cont =v in , i out =50ma ? i cont vs v cont , v out vs v cont (tk63115b/h/s) v cont [v] 0 0.5 1 1.5 2 v out [v] 0 0.5 1 1.5 2 i cont [a] 0 2 4 6 8 v out i cont ? i cont vs v cont , v out vs v cont (tk63128b/h/s) v cont [v] 0 0.5 1 1.5 2 v out [v] 0 1 2 3 4 i cont [a] 0 2 4 6 8 v out i cont ? i cont vs v cont , v out vs v cont (tk63142b/h/s) v cont [v] 0 0.5 1 1.5 2 v out [v] 0 1 2 3 4 5 6 i cont [a] 0 1 2 3 4 5 6 v out i cont
tk631xxb/h/s gc3-j025e page 18 ? v cont vs t a (tk63115b/h/s) t a [c] -50 -25 0 25 50 75 100 v cont [v] 0 0.2 0.4 0.6 0.8 1 1.2 1.4 ? v cont vs t a (tk63128b/h/s) t a [c] -50 -25 0 25 50 75 100 v cont [v] 0 0.2 0.4 0.6 0.8 1 1.2 1.4 ? v cont vs t a (tk63142b/h/s) t a [c] -50 -25 0 25 50 75 100 v cont [v] 0 0.2 0.4 0.6 0.8 1 1.2 1.4 ? i cont vs t a (tk631xxb/h/s) t a [c] -50 -25 0 25 50 75 100 i cont [a] 0 0.5 1 1.5 2 2.5 v cont =1.3v
tk631xxb/h/s gc3-j025e page 19 10-2. ac characteristics ? rr vs v in (tk63115b/h/s) v in -v out [v] 00.511.522.533.5 rr [db] -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 i out =200ma 150ma 100ma 50ma 10ma c in =1.0f, v ripple =0.1v p-p , f=1khz ? rr vs v in (tk63128b/h/s) v in -v out [v] 00.511.522.533.5 rr [db] -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 i out =200ma 150ma 100ma 50ma 10ma c in =1.0f, v ripple =0.1v p-p , f=1khz ? rr vs v in (tk63142b/h/s) v in -v out [v] 00.511.522.5 rr [db] -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 i out =200ma 150ma 100ma 50ma 10ma c in =1.0f, v ripple =0.1v p-p , f=1khz ? rr vs frequency (tk63115b/h/s) frequency [hz] 100 1k 10k 100k rr [db] -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 1m i out =10ma c out =1.0f(cer.) c out =1.0f(tant.) ? rr vs frequency (tk63128b/h/s) frequency [hz] 100 1k 10k 100k 1m rr [db] -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 i out =10ma c out =1.0f(cer.) c out =1.0f(tant.) ? rr vs frequency (tk63142b/h/s) frequency [hz] 100 1k 10k 100k 1m rr [db] -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 i out =10ma c out =1.0f(cer.) c out =1.0f(tant.)
tk631xxb/h/s gc3-j025e page 20 ? rr vs frequency (tk63115b/h/s) frequency [hz] 100 1k 10k 100k 1m rr [db] -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 i out =10ma c out =0.68, 1.0, 2.2, 4.7f(cer.) ? rr vs frequency (tk63128b/h/s) frequency [hz] 100 1k 10k 100k 1m rr [db] -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 i out =10ma c out =0.68, 1.0, 2.2, 4.7f(cer.) ? rr vs frequency (tk63142b/h/s) frequency [hz] 100 1k 10k 100k 1m rr [db] -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 i out =10ma c out =0.68, 1.0, 2.2, 4.7f(cer.) the ripple rejection (rr) characteristic depends on the characteristic and the capacitance value of the capacitor connected to the output side. the rr characteristic of 50khz or more varies greatly with the capacitor on the output side and pcb pattern. if necessary, please confirm stability of your design.
tk631xxb/h/s gc3-j025e page 21 ? v noise vs v in (tk63115b/h/s) v in [v] 123456 v noise [vrms] 0 10 20 30 40 50 60 70 80 90 100 i out =30ma ? v noise vs v in (tk63128b/h/s) v in [v] 2.5 3 3.5 4 4.5 5 5.5 6 v noise [vrms] 0 10 20 30 40 50 60 70 80 90 100 i out =30ma ? v noise vs v in (tk63142b/h/s) v in [v] 44.555.56 v noise [vrms] 0 10 20 30 40 50 60 70 80 90 100 i out =30ma ? v noise vs i out (tk63115b/h/s) i out [ma] 0 50 100 150 200 v noise [vrms] 0 10 20 30 40 50 60 70 80 90 100 ? v noise vs i out (tk63128b/h/s) i out [ma] 0 50 100 150 200 v noise [vrms] 0 10 20 30 40 50 60 70 80 90 100 ? v noise vs i out (tk63142b/h/s) i out [ma] 0 50 100 150 200 v noise [vrms] 0 10 20 30 40 50 60 70 80 90 100
tk631xxb/h/s gc3-j025e page 22 ? v noise vs v out (tk631xxb/h/s) v out [v] 1.522.533.544.5 v noise [vrms] 0 10 20 30 40 50 60 70 80 90 100 i out =30ma ? v noise vs frequency (tk63115b/h/s) frequency [hz] 10 100 1k 10k v noise [v/ hz] 0.01 0.1 1 100k i out =10ma 10 ? v noise vs frequency (tk63128b/h/s) frequency [hz] 10 100 1k 10k v noise [v/ hz] 0.01 0.1 1 100k i out =10ma 10 ? v noise vs frequency (tk63142b/h/s) frequency [hz] 10 100 1k 10k v noise [v/ hz] 0.01 0.1 1 100k i out =10ma 10
tk631xxb/h/s gc3-j025e page 23 10-3. transient characteristics ? line transient (tk63115b/h/s) time 20sec/div 10mv/div v in v out 3.5v 2.5v i out =30, 100, 150ma ? line transient (tk63128b/h/s) time 20sec/div 10mv/div v in v out 4.8v 3.8v i out =30, 100, 150ma ? line transient (tk63142b/h/s) time 20sec/div 10mv/div v in v out 6.2v 5.2v i out =30, 100, 150ma ? load transient (i out =5 ? 100ma) (tk63115b/h/s) time 10sec/div 50mv/div 100ma/div i out v out c out =2.2f 5ma 100ma c out =0.68f c out =1.0f ? load transient (i out =5 ? 100ma) (tk63128b/h/s) time 10sec/div 50mv/div 100ma/div i out v out c out =1.0f c out =0.68f c out =2.2f 5ma 100ma ? load transient (i out =5 ? 100ma) (tk63142b/h/s) time 10sec/div 50mv/div 100ma/div i out v out c out =1.0f c out =0.68f c out =2.2f 5ma 100ma
tk631xxb/h/s gc3-j025e page 24 ? load transient (i out =0 ? 100ma) (tk63115b/h/s) time 5msec/div 100ma/div i out v out 100mv/div 100ma 0 or 5ma 0 100ma 5 100ma ? load transient (i out =0 ? 100ma) (tk63128b/h/s) time 2msec/div 100ma/div i out v out 100mv/div 100ma 0 or 5ma 0 100ma 5 100ma ? load transient (i out =0 ? 100ma) (tk63142b/h/s) time 1msec/div 100ma/div i out v out 100mv/div 100ma 0 or 5ma 0 100ma 5 100ma time 10sec/div 100ma/div i out v out 100mv/div 100ma 0 or 5ma 0 100ma 5 100ma time 10sec/div 100ma/div i out v out 100mv/div 100ma 0 or 5ma 0 100ma 5 100ma time 10sec/div 100ma/div i out v out 100mv/div 100ma 0 or 5ma 0 100ma 5 100ma
tk631xxb/h/s gc3-j025e page 25 ? on/off transient (v cont =0 1.3v) (tk63115b/h/s) time 10sec/div 0.5v/div 200ma/div v cont i in v out 1v/div i out =30ma c out =0.68, 1.0, 2.2, 4.7f ? on/off transient (v cont =0 1.3v) (tk63128b/h/s) time 10sec/div 1v/div 200ma/div v cont i in v out 1v/div i out =30ma c out =0.68, 1.0, 2.2, 4.7f ? on/off transient (v cont =0 1.3v) (tk63142b/h/s) time 10sec/div 2v/div 200ma/div v cont i in v out 1v/div i out =30ma c out =0.68, 1.0, 2.2, 4.7f ? on/off transient (v cont =1.3 0v) (tk63115b/h/s) time 200sec/div 0.5v/div 200ma/div v cont i in v out 1v/div i out =30ma c out =0.68, 1.0, 2.2, 4.7f ? on/off transient (v cont =1.3 0v) (tk63128b/h/s) time 200sec/div 1v/div 200ma/div v cont i in v out 1v/div i out =30ma c out =0.68, 1.0, 2.2, 4.7f ? on/off transient (v cont =1.3 0v) (tk63142b/h/s) time 200sec/div 2v/div 200ma/div v cont i in v out 1v/div i out =30ma c out =0.68, 1.0, 2.2, 4.7f
tk631xxb/h/s gc3-j025e page 26 11. pin description pin no. tk631xxb tk631xxh tk631xxs pin description internal equivalent circuit description a1 2, 5 2 gnd gnd terminal a2 6 3 v cont v cont 675k ? esd protection control terminal v cont > 1.3v : on v cont < 0.25v : off the pull-down resistor (about 675k ? ) is built-in. b1 3 5 v out v out v in esd protection output terminal b2 1 1 v in input terminal 4 4 nc no connected
tk631xxb/h/s gc3-j025e page 27 12. applications information 12-1. stability linear regulators require input and output capacitors in order to maintain the regulator's loop stability. if a 1.0f capacitor is connected to the output side, the ic provides stable operation. however, it is recommended to use as large a value capacitor as is practical. the output noise and the ripple noise decrease as the value of the capacitor increases. a recommended value of the application is as follows. c in =1.0f, c out =1.0f it is not possible to determine this indiscriminately. please confirm the stability in your design. fig12-1: capacitor in the application tk631xx v out v cont v in c out 1.0f c in 1.0f fig12-2: output current vs stable operation area (tk631xxb) tk63115b 0.01 0.1 1 10 100 0 50 100 150 200 i ou t (ma) esr ( ? ) unstable area stable area c ou t =0.68uf tk63128b 0.01 0.1 1 10 100 0 50 100 150 200 i ou t (ma) esr ( ? ) unstable area stable area c ou t =0.68uf tk63142b 0.01 0.1 1 10 100 0 50 100 150 200 i ou t (ma) esr ( ? ) unstable area stable area c ou t =0.68uf
tk631xxb/h/s gc3-j025e page 28 fig12-3: output current vs stable operation area (tk631xxh/s) tk63115h/s 0.01 0.1 1 10 100 0 50 100 150 200 i ou t (ma) esr ( ? ) unstable area stable area c ou t =0.68uf tk63128h/s 0.01 0.1 1 10 100 0 50 100 150 200 i ou t (ma) esr ( ? ) unstable area stable area c ou t =0.68uf tk63142h/s 0.01 0.1 1 10 100 0 50 100 150 200 i ou t (ma) esr ( ? ) unstable area stable area c ou t =0.68uf fig.12-2 and fig.12-3 show the stable operation area of output current and the equivalent series resistance (esr) with a ceramic capacitor of 0.68f. esr of the output capacitor must be in the stable operation area. please select the best output capacitor according to the voltage and current used. the stability of the regulator improves as the value of the output side capacitor increases (the stable operation area extends.) please use as large a value capacitor as is practical. for evaluation kyocera : cm05b104k10ab , cm05b224k10ab , cm105b104k16a , cm105b224k16a , cm21b225k10a murata : grm36b104k10 , grm42b104k10 , grm39b104k25 , grm39b224k10 , grm39b105k6.3 fig12-4: ex. ceramic capacitance vs voltage, temperature cap(%) 12 50 bias voltage(v) cap(%) 100 ta(c) capacitance vs voltage capacitance vs temperature b curve f curve 10 8 6 4 2 0 60 70 80 90 100 b curve f curve 75 50 25 0 -25 -50 50 60 70 80 90 100 generally, a ceramic capacitor has both a temperature characteristic and a voltage characteristic. please consider both characteristics when selecting the part. the b curves are the recommended characteristics.
tk631xxb/h/s gc3-j025e page 29 12-2. layout fig12-5: layout example (tk631xxb) gnd v cont v in v out gnd gnd (top view) 1 pcb material : glass epoxy size : 7mm 8mm0.8mm fig12-6: layout example (tk631xxh) v cont v in v out gnd (top view) nc gnd pcb material : glass epoxy size : 10mm 7mm0.8mm fig12-7: layout example (tk631xxs) v cont v in v out gnd (top view) nc gnd pcb material : glass epoxy size : 12mm 7mm0.8mm please do derating with 2.9mw/ c at pd=360mw(fc-4), or with 4mw/ c at pd=500mw(son2017-6/sot23-5), and 25 c or more. thermal resistance ( ja ) is=250 c/w. fig12-8: derating curve (tk631xxb) 25 50 100 150c pd(mw) 360 (85c) -2.9mw/c fig12-9: derating curve (tk631xxh/s) 25 50 100 150c pd(mw) 500 (85c) -4mw/c the package loss is limited at the temperature that the internal temperature sensor works (about 150 c). therefore, the package loss is assumed to be an internal limitation. there is no heat radiation characteristic of the package unit assumed because of its small size. heat is carried away from the device by being mounted on the pcb. this value is directly effected by the material and the copper pattern etc. of the pcb. the losses are approximately 360mw(fc-4), or 500mw(son2017- 6/sot23-5). enduring these losses becomes possible in a lot of applications operating at 25 c. the overheating protection circuit operates when the junction temperature reaches 150 c (this happens when the regulator is dissipating excessive power, outside temperature is high, or heat radiation is bad). the output current and the output voltage will drop when the protection circuit operates. however, operation begins again as soon as the output voltage drops and the temperature of the chip decreases. how to determine the thermal resistance when mounted on pcb the thermal resistance when mounted is expressed as follows: t j = ja pd+t a t j of ic is set around 150 c. pd is the value when the thermal sensor is activated. if the ambient temperature is 25 c, then: 150= ja pd+25 ja =125/pd ( c /mw)
tk631xxb/h/s gc3-j025e page 30 pd is easily calculated. a simple way to determine pd is to calculate v in i in when the output side is shorted. input current gradually falls as output voltage rises after working thermal shutdown. you should use the value when thermal equilibrium is reached. fig12-10: how to determine dpd 25 50 100 150 pd (mw) pd ta (c) 75 125 dpd 2 3 4 5 procedure (when mounted on pcb.) 1. find pd (v in i in when the output side is short- circuited). 2. plot pd against 25 c. 3. connect pd to the point corresponding to the 150 c with a straight line. 4. in design, take a vertical line from the maximum operating temperature (e.g., 75 c) to the derating curve. 5. read off the value of pd against the point at which the vertical line intersects the derating curve. this is taken as the maximum power dissipation dpd. 6. dpd (v in,max ? v out )=i out (at 75 c) the maximum output current at the highest operating temperature will be i out ? dpd (v in,max ? v out ). please use the device at low temperature with better radiation. the lower temperature provides better quality. 12-3. on/off control it is recommended to turn the regulator off when the circuit following the regulator is not operating. a design with little electric power loss can be implemented. we recommend the use of the on/off control of the regulator without using a high side switch to provide an output from the regulator. a highly accurate output voltage with low voltage drop is obtained. because the control current is small, it is possible to control it directly by cmos logic. fig12-11: the use of on/off control reg vsat on/off cont. control terminal voltage ((v cont ) on/off state v cont > 1.3v on v cont < 0.25v off parallel connected on/off control fig12-12: the example of parallel connected ic tk63142 tk63133 tk63115 4.2v 3.3v 1.5v on/off cont. v in v out the above figure is multiple regulators being controlled by a single on/off control signal. there is concern of overheating, because the power loss of the low voltage side ic (tk63115b/h/s) is large. the series resistor (r) is put in the input line of the low output voltage regulator in order to prevent over-dissipation. the voltage dropped across the resistor reduces the large input-to-output voltage across the regulator, reducing the power dissipation in the device. when the thermal sensor works, a decrease of the output voltage, oscillation, etc. may be observed. 12-4. influence by light(tk631xxb) when tk631xxb (fc-4) is exposed to strong light, the electrical characteristics change. please confirm the influence by light in your design.
tk631xxb/h/s gc3-j025e page 31 12-5. definition of term characteristics ? ? ? ? output voltage (v out ) the output voltage is specified with v in =(v outtyp +1v) and i out =5ma. ? ? ? ? maximum output current (i out, max ) the rated output current is specified under the condition where the output voltage drops to 90% of the value specified with i out =5ma. the input voltage is set to v outtyp +1v and the current is pulsed to minimize temperature effect. ? ? ? ? dropout voltage (v drop ) the dropout voltage is the difference between the input voltage and the output voltage at which point the regulator starts to fall out of regulation. below this value, the output voltage will fall as the input voltage is reduced. it is dependent upon the output voltage, the load current, and the junction temperature. ? ? ? ? line regulation (linreg) line regulation is the ability of the regulator to maintain a constant output voltage as the input voltage changes. the line regulation is specified as the input voltage is changed from v in =v out,typ +1v to v in =6v. it is a pulse measurement to minimize temperature effect. ? ? ? ? load regulation (loareg) load regulation is the ability of the regulator to maintain a constant output voltage as the load current changes. it is a pulsed measurement to minimize temperature effects with the input voltage set to v in =v out,typ +1v. the load regulation is specified under an output current step condition of 5ma to 100ma. ? ? ? ? ripple rejection (rr) ripple rejection is the ability of the regulator to attenuate the ripple content of the input voltage at the output. it is specified with 500mv p-p , 1khz super-imposed on the input voltage, where v in =v out,typ +1.5v. ripple rejection is the ratio of the ripple content of the output vs. input and is expressed in db. ? ? ? ? standby current (i standby ) standby current is the current which flows into the regulator when the output is turned off by the control function (v cont =0v). protections ? ? ? ? over current sensor the over current sensor protects the device when there is excessive output current. it also protects the device if the output is accidentally connected to ground. ? ? ? ? thermal sensor the thermal sensor protects the device in case the junction temperature exceeds the safe value (t j =150 c). this temperature rise can be caused by external heat, excessive power dissipation caused by large input to output voltage drops, or excessive output current. the regulator will shut off when the temperature exceeds the safe value. as the junction temperatures decrease, the regulator will begin to operate again. under sustained fault conditions, the regulator output will oscillate as the device turns off then resets. damage may occur to the device under extreme fault. please prevent the loss of the regulator when this protection operates, by reducing the input voltage or providing better heat efficiency. ? ? ? ? esd mm : 200pf 0 ? 150v or more hbm : 100pf 1.5k ? 2000v or more
tk631xxb/h/s gc3-j025e page 32 13. package outline ? 4-bump flip chip : fc-4 m reference mount pad 4- 0.275 0.96 0.96 a 1 2 b mark 0.60 0.22 4- 0.30 ? + ? + ? + ? + ? + 0.05 a1 pin mark area 0.03 0.03 0.03 0.06 0.03 0.5 0.5 0.5 0.5 0.05 lead free mark lot no. unit : mm package structure and others base material : si mark method : laser terminal material : lead free solder bump country of origin : japan solder composition : sn-2.5ag mass : 0.0012g marking part number marking code part number marking code part number marking code tk63115b e15 tk63128b e28 tk63133b e33 tk63116b e16 TK63101B e01 tk63135b e35 tk63118b e18 tk63129b e29 tk63125b e25 tk63130b e30 tk63126b e26 tk63131b e31 tk63127b e27 tk63132b e32
tk631xxb/h/s gc3-j025e page 33 ? 6-lead-small outline non-leaded package : son2017-6 1.7 0.20 +0.10 ? 0.05 0.65 m 0.10 +0.2 ? 0.1 2.0 +0.2 ? 0.1 1 4 3 6 (0.1) 0.75 (0.2) ? + 0.10 0.125 +0.10 ? 0.05 2.1 0.2 ? + ( 0 . 2 ) 1 4 3 6 reference mount pad 1.8 0.6 0.3 0.65 mark 1 pin mark lot no. lead free mark unit : mm package structure and others package material : epoxy resin mark method : laser terminal material : copper alloy county of origin : japan terminal finish : lead free solder plating(5~15m) mass : 0.0066g solder composition : sn-2.5ag marking part number marking code part number marking code part number marking code tk63115h c15 tk63128h c28 tk63133h c33 tk63116h c16 tk63101h c01 tk63135h c35 tk63118h c18 tk63129h c29 tk63125h c25 tk63130h c30 tk63126h c26 tk63131h c31 tk63127h c27 tk63132h c32
tk631xxb/h/s gc3-j025e page 34 ? 5-lead-surface mount discrete package: sot23-5 2.9 1.6 1.1 0.15 0.4 2.8 reference mount pad (0.3) 0 ~0.1 0.1 1.3max 0.1 0.2 mark 0.2 0.2 5 4 1 3 +0.10 ? 0.05 +0.10 ? 0.05 0.4 0.2 0.95 0.95 lead free mark + ? m 0.1 + ? + ? + ? + ? 2.4 1.0 0.7 0.95 0.95 unit : mm package structure and others package material : epoxy resin mark method : laser terminal material : copper alloy country of origin : japan terminal finish : lead free solder plating(5~15 m) mass : 0.016g solder composition : sn-2.5ag marking part number marking code part number marking code part number marking code tk63115s 15j tk63128s 28j tk63133s 33j tk63116s 16j tk63101s 01j tk63135s 35j tk63118s 18j tk63129s 29j tk63125s 25j tk63130s 30j tk63126s 26j tk63131s 31j tk63127s 27j tk63132s 32j
tk631xxb/h/s gc3-j025e page 35 14. notes ? please be sure that you carefully discuss your planned purchase with our office if you intend to use the products in this application manual under conditions where particularly extreme standards of reliability are required, or if you intend to use products for applications other than those listed in this application manual. z power drive products for automobile, ship or aircraft transport systems; steering and navigation systems, emergency signal communications systems, and any system other than those mentioned above which include electronic sensors, measuring, or display devices, and which could cause major damage to life, limb or property if misused or failure to function. z medical devices for measuring blood pressure, pulse, etc., treatment units such as coronary pacemakers and heat treatment units, and devices such as artificial organs and artificial limb systems which augment physiological functions. z electrical instruments, equipment or systems used in disaster or crime prevention. ? semiconductors, by nature, may fail or malfunction in spite of our devotion to improve product quality and reliability. we urge you to take every possible precaution against physical injuries, fire or other damages which may cause failure of our semiconductor products by taking appropriate measures, including a reasonable safety margin, malfunction preventive practices and fire-proofing when designing your products. ? this application manual is effective from mar. 2006. note that the contents are subject to change or discontinuation without notice. when placing orders, please confirm specifications and delivery condition in writing. ? toko is not responsible for any problems nor for any infringement of third party patents or any other intellectual property rights that may arise from the use or method of use of the products listed in this application manual. moreover, this application manual does not signify that toko agrees implicitly or explicitly to license any patent rights or other intellectual property rights which it holds. ? none of the ozone depleting substances(ods) under the montreal protocol are used in our manufacturing process. 15. offices if you need more information on this product and other toko products, please contact us. ? toko inc. headquarters 1-17, higashi-yukigaya 2-chome, ohta-ku, tokyo, 145-8585, japan tel: +81.3.3727.1161 fax: +81.3.3727.1176 or +81.3.3727.1169 web site: http://www.toko.co.jp/ ? toko america web site: http://www.toko.com/ ? toko europe web site: http://www.tokoeurope.com/ ? toko hong kong web site: http://www.toko.com.hk/ ? toko taiwan web site: http://www.tokohc.com.tw/ ? toko singapore web site: http://www.toko.com.sg/ ? toko seoul web site: http://www.toko.co.kr/ ? toko manila web site: http://www.toko.com.ph/ ? toko brazil web site: http://www.toko.com.br/ semiconductor division your distributor

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