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r1163x series 3-mode 150ma ldo regulator with the reverse current protection no.ea-118-081118 1 outline the r1163x series consist of cmos-based voltage regul ator ics with high output voltage accuracy and low supply current. these ics perform with the chip enable function and realize a standby mode with ultra low supply current. to prevent the destruction by over current, the current limit circuit is included. the r1163x series have 3-mode. one is standby mode with ce or standby control pin. other two modes are realized with eco pin. fast transient mode (ft mode) and low power mode (lp mode) ar e alternative with eco pi n. consumption current is reduced at low power mode compared with fast tr ansient mode. the output voltage is maintained between ft mode and lp mode. further, the reverse current protection circuit is built-in. therefore, if a higher voltage than v dd pin is forced to the output pin, the reverse current to v dd pin is very small (max. 0.1 a) , so it is suitable for backup circuit. since the packages for these ics are sot-23-5, son-6, and dfn(plp)1616-6 packages, high density mounting of the ics on boards is possible. features ? supply current ..................................................... typ. 6.0 a (low power mode), typ. 70 a (fast transient mode) ? standby mode ...................................................... typ. 0.6 a ? reverse current ................................................... max. 0.1 a ? input voltage range ............................................ 2.0v to 6.0v ? output voltage ..................................................... st epwise setting with a step of 0.1v in the range of 1.5v to 5.0v is possible ? output voltage accuracy...................................... 1.5% ( 2.5% at low power mode) ? temperature-drift coefficient of output voltage .. typ. 100ppm/ c ? dropout voltage ................................................... typ. 0.25v (i out = 150ma, v out = 2.8v) ? ripple rejection ................................................... typ. 70db (f = 1khz, fast transient mode) ? line regulation .................................................... typ. 0.02%/v (fast transient mode) ? package ............................................................. dfn( plp)1616-6, son-6, sot-23-5 ? built-in fold-back protection circuit ....................... typ. 40ma (current at short mode) ? performs with ceramic capacitors ...................... c in = ceramic 1.0 f, c out = ceramic 0.47 f applications ? precision voltage references. ? power source for electrical appliances such as cameras, vcrs and hand-held communication equipment. ? power source for battery-powered equipment.
r1163x 2 block diagram r1163xxx1b r1163xxx1d v dd gnd v out eco ce vref current limit reverse detector v dd gnd v out eco ce vref current limit reverse detector r1163xxx1e v dd gnd v out eco ce vref current limit reverse detector
r1163x 3 selection guide the output voltage, the auto-dischar ge function*, the package and the tapi ng type for the ics can be selected at the user's request. the selection can be availabl e by designating the part number as shown below; r1163xxx 1x -xx-x part number a b c d e code contents a designation of package type : n: sot-23-5 d: son-6 k: dfn(plp)1616-6 b setting output voltage (v out ) : stepwise setting with a step of 0.1v in the range of 1.5v to 5.0v is possible. exceptions: 1.85v=r1163x181x5-xx- x, 2.75v=r1163x271x5-xx-x, 2.85v=r1163x281x5-xx-x c designation of chip enable option : b: "h" active type and without the auto-discharge function*. d: "h" active and with the auto-discharge function*. e: "h" active type and without auto-discharge function*. eco logic reverse type (low power mode at eco = "h") d designation of taping type : refer to taping specifications;tr type is the standard direction. e designation of composition of pin plating: -f : lead free solder plating (sot-23-5, son-6) none: au plating (dfn(plp)1616-6) *) when the mode is into standby with ce signal, auto discharge transistor turns on, and it makes the turn-off speed faster than normal type.
r1163x 4 pin configurations ? sot-23-5 ? son-6 ? dfn(plp)1616-6 1 2 3 4 5 (mark side) top view bottom view 65 4 456 12 3 321 ? ? top view bottom view 12 3 4 5 6 1 2 3 4 6 5 * pin discriptions ? sot-23-5 ? son-6 pin no symbol pin description pin no symbol pin description 1 v dd input pin 1 v dd input pin 2 gnd ground pin 2 nc no connection 3 ce chip enable pin 3 v out output pin 4 eco/ eco mode alternative pin 4 eco/ eco mode alternative pin 5 v out output pin 5 gnd ground pin 6 ce chip enable pin *) tab in the parts have gnd level. (they are connected to the back side of this ic.) do not connect to other wires or land patterns. ? dfn(plp)1616-6 pin no symbol pin description 1 v out output pin 2 gnd ground pin 3 eco/ eco mode alternative pin 4 ce chip enable pin 5 nc no connection 6 v dd input pin *) tab in the parts have gnd level. (they are connected to the back side of this ic.) do not connect to other wires or land patterns.
r1163x 5 absolute maximum ratings symbol item rating unit v in input voltage 6.5 v v eco input voltage (eco/ eco pin) ? 0.3 ~ 6.5 v v ce input voltage (ce pin) ? 0.3 ~ 6.5 v v out output voltage ? 0.3 ~ 6.5 v i out output current 180 ma power dissipation (sot-23-5) * 420 power dissipation (son-6) * 500 p d power dissipation (dfn(plp)1616-6)* 560 mw topt operating temperature range ? 40 ~ 85 c tstg storage temperature range ? 55 ~ 125 c *) for power dissipation, please refer to package information to be described. absolute maximum ratings electronic and mechanical stress momentarily exceeded absolute maximum ratings may cause the permanent damages and may degrade the life time and safe ty for both device and sy stem using the device in the field. the functional operation at or over these absolute maximum ratings is not assured. recommended operating conditions (electrical characteristics) all of electronic equipment should be designed that the mounted semiconductor devices operate within the recommended operating conditions. the semiconductor devices cannot operate normally over the recommended operating conditions, even if when they are used over such conditions by momentary electronic noise or surge. and the semiconductor de vices may receive serious damage when they continue to operate over the recommended operating conditions.
r1163x 6 electrical characteristics r1163xxx1b/d topt = 25 c symbol item conditions min. typ. max. unit ft mode v in = set v out + 1v, v eco = v in 1ma < = < = 0.985 1.015 v out output voltage lp mode v in = set v out + 1v, v eco = gnd 1ma < = < = 0.975 1.025 v v out > 2.0v ? 1.2 0 1.2 % v out output voltage deviation between ft mode and lp mode v in = set v out + 1v, i out = 30ma v out < = ? 24 0 24 mv i out output current v in ? v out = 1.0v 150 ma ft mode v in = set v out + 1v, v eco = v in 1ma < = < = v out / i out load regulation lp mode v in = set v out + 1v, v eco = gnd 1ma < = < = = set v out + 1v v eco = v in 70 100 a i ss2 supply current (lp mode) v in = set v out + 1v v eco = gnd 6.0 10.0 a i standby supply current (standby) v in = set v out + 1v, v ce = gnd v eco = gnd or v in 0.6 1.0 a ft mode set v out + 0.5v < = < = = 30ma, v eco = v in if v out < = < = < = v out / v in line regulation lp mode set v out + 0.5v < = < = = 30ma, v eco = gnd if v out < = < = < = = 1khz 70 rr ripple rejection (ft mode) ripple 0.2v p-p , v in = set v out + 1v, i out = 30ma, v eco = v in if v out < = = set v out + 1.2v f = 10khz 60 db v in input voltage 2.0 6.0 v v out / t opt output voltage temperature coefficient i out = 30ma ? 40 c < = < = c 100 ppm / c i lim short current limit v out = 0v 40 ma i pd ce pull-down current 0.3 0.6 a r pde eco pull-down resistance 2 5 30 m v ceh ce, eco input voltage "h" 1.0 6.0 v v cel ce, eco input voltage "l" 0 0.35 v output noise "h" (ft mode) bw = 10hz to 100khz 30 en output noise "l" (lp mode) bw = 10hz to 100khz 40 vrms r low low output nch tr. on resistance (of d version) v ce = 0v 60 i rev reverse current v out >0.5v, 0v < = < = a
r1163x 7 r1163xxx1e topt = 25 c symbol item conditions min. typ. max. unit ft mode v in = set v out + 1v, v eco = gnd 1ma < = < = 0.985 1.015 v out output voltage lp mode v in = set v out + 1v, v eco = v in 1ma < = < = 0.975 1.025 v v out > 2.0v ? 1.2 0 1.2 % v out output voltage deviation between ft mode and lp mode v in = set v out + 1v, i out = 30ma v out < = ? 24 0 24 mv i out output current v in ? v out = 1.0v 150 ma ft mode v in = set v out + 1v, v eco = gnd 1ma < = < = v out / i out load regulation lp mode v in = set v out + 1v, v eco = v in 1ma < = < = = set v out + 1v v eco = gnd 70 100 a i ss2 supply current (lp mode) v in = set v out + 1v v eco = v in 6.0 10.0 a i standby supply current (standby) v in = set v out + 1v, v ce = gnd v eco = gnd or v in 0.6 1.0 a ft mode set v out + 0.5v < = < = = 30ma, v eco = gnd if v out < = < = < = v out / v in line regulation lp mode set v out + 0.5v < = < = = 30ma, v eco = v in if v out < = < = < = = 1khz 70 rr ripple rejection (ft mode) ripple 0.2v p-p v in = set v out + 1v, i out = 30ma, v eco = gnd if v out < = = set v out + 1.2v f = 10khz 60 db v in input voltage 2.0 6.0 v v out / t opt output voltage temperature coefficient i out = 30ma ? 40 c < = < = c 100 ppm / c i lim short current limit v out = 0v 40 ma i pd ce pull-down current 0.3 0.6 a v ceh ce, eco input voltage "h" 1.0 6.0 v v cel ce, eco input voltage "l" 0 0.4 v output noise "h" (ft mode) bw = 10hz to 100khz 30 en output noise "l" (lp mode) bw = 10hz to 100khz 40 vrms i rev reverse current v out >0.5v, 0v < = < = a
r1163x 8 electrical characteristics by output voltage topt = 25 c dropout voltage (mv) v dif (eco=h) v dif (eco=l) output voltage v out (v) condition typ. max. typ. max. 1.5 < = v out < 1.6 400 680 420 680 1.6 < = v out < 1.7 380 550 390 550 1.7 < = v out < 1.8 350 520 370 520 1.8 < = v out < 2.0 340 490 350 490 2.0 < = v out < 2.8 290 425 300 430 2.8 < = v out < = 5.0 i out = 150ma 250 350 250 350 typical application c1 r1163x series v dd v out ce gnd v out eco c2 ( external components) ex. c1: ceramic capacitor 1.0 f c2: ceramic capacitor 0.47 f murata grm40b474k kyocera cm105b474k technical notes when using these ics, consider the following points: phase compensation in these ics, phase compensation is made for securing st able operation even if the load current is varied. for this purpose, be sure to use a 0.47 f or more ceramic capacitor c2. (test these ics with as same external components as ones to be used on the pcb.) when a tantalum capacitor is used with this ic, if the equi valent series resistor (esr) of the capacitor is large, output voltage may be unstable. pcb layout make v dd and gnd lines sufficient. if their impedance is hi gh, noise pickup or unstable operation may result. connect a capacitor c1 with as much as 1.0 f capacitor between v dd and gnd pin as close as possible. set external components such as an output capacitor c2 , as close as possible to the ics and make wiring as short as possible.
r1163x 9 test circuits r1163x series v dd ce v out gnd c2 eco v v out c1 i out c1=ceramic 1.0 f c2=ceramic 0.47 f basic test circuit i ss a r1163x series v dd ce v out gnd c2 eco v out c1 c1=ceramic 1.0 f c2=ceramic 0.47 f test circuit for supply current pulse generator v dd ce v out gnd c2 i out r1163x series eco c1=ceramic 1.0 f c2=ceramic 0.47 f p. g. test circuit for ripple rejection, line transient response
r1163x 10 v dd ce v out gnd c2 c1 v out v i out b i out a r1163x series eco c1=ceramic 1.0 f c2=ceramic 0.47 f test circuit for load transient response pulse generator v dd ce v out gnd c2 i out r1163x series eco c1=ceramic 1.0 f c2=ceramic 0.47 f p. g. c1 test circuit for output voltage at mode alternative point pulse generator p. g. c1 c1=ceramic 1.0 f v dd ce v out gnd c2 i out r1163x series eco ? ce pin input waveform 0 v set v out +1.0v test circuit for turn on speed with ce pin
r1163x 11 typical characteristics unless otherwise provided, capacitors are ceramic type. 1) output voltage vs. output current r1163x151x eco=h r1163x151x eco=l 0 300 200 100 400 output current i out (ma) output voltage h v out h(v) 0.0 0.2 0.4 0.6 0.8 1.2 1.0 1.4 1.6 v in =2v v in =2.5v ? 3.5v 0 300 200 100 400 output current i out (ma) output voltage l v out l(v) 0.0 0.2 0.4 0.6 0.8 1.2 1.0 1.4 1.6 v in =2v v in =2.5v ? 3.5v r1163x281x eco=h r1163x281x eco=l 0 300 200 100 400 output current i out (ma) output voltage h v out h(v) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 v in =3.1v v in =3.3v v in =3.8v ? 4.8v 0 300 200 100 400 output current i out (ma) output voltage l v out l(v) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 v in =3.1v v in =3.3v v in =3.8v ? 4.8v r1163x40x eco=h r1163x40x eco=l 0 300 200 100 400 output current i out (ma) output voltage h v out h(v) 0.0 0.5 1.0 2.0 3.0 4.0 1.5 2.5 3.5 4.5 v in =4.3v v in =4.5v v in =5v ? 6v 0 300 200 100 400 output current i out (ma) output voltage l v out l(v) 0.0 0.5 1.0 2.0 3.0 4.0 1.5 2.5 3.5 4.5 v in =4.3v v in =4.5v v in =5v ? 6v
r1163x 12 2) output voltage vs. input voltage r1163x151x eco=h r1163x15x eco=l 02 5 14 36 input voltage v in (v) output voltage h v out h(v) 0.0 0.2 0.4 0.6 0.8 1.2 1.0 1.4 1.6 i out =1ma i out =30ma i out =50ma 02 5 14 36 input voltage v in (v) output voltage l v out l(v) 0.0 0.2 0.4 0.6 0.8 1.2 1.0 1.4 1.6 i out =1ma i out =30ma i out =50ma r1163x28x eco=h r1163x28x eco=l 02 5 14 36 input voltage v in (v) output voltage h v out h(v) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 i out =1ma i out =30ma i out =50ma 02 5 14 36 input voltage v in (v) output voltage l v out l(v) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 i out =1ma i out =30ma i out =50ma r1163x40x eco=h r1163x40x eco=l 02 5 14 36 input voltage v in (v) output voltage h v out h(v) 0.0 0.5 1.0 1.5 2.5 3.5 2.0 3.0 4.0 4.5 i out =1ma i out =30ma i out =50ma 02 5 14 36 input voltage v in (v) output voltage l v out l(v) 0.0 0.5 1.0 1.5 2.5 3.5 2.0 3.0 4.0 4.5 i out =1ma i out =30ma i out =50ma
r1163x 13 3) supply current vs. input voltage r1163x151x eco=h r1163x151x eco=l 024 1356 input voltage v in (v) 0 20 40 10 30 50 60 70 80 supply current h i ss h ( a) 024 1356 input voltage v in (v) 0 2 4 1 3 5 6 7 8 supply current i ss ( a) r1163x281x eco=h r1163x281x eco=l 024 1356 input voltage v in (v) 0 20 40 10 30 50 60 70 80 supply current h i ss h ( a) 024 1356 input voltage v in (v) 0 2 4 1 3 5 6 7 8 supply current i ss ( a) r1163x401x eco=h r1163x401x eco=l 024 1356 input voltage v in (v) 0 20 40 10 30 50 60 70 80 supply current h i ss h ( a) 024 1356 input voltage v in (v) 0 2 4 1 3 5 6 7 8 supply current i ss ( a)
r1163x 14 4) output voltage vs. temperature r1163x151x eco=h r1163x151x eco=l 1.46 1.48 1.47 1.53 1.52 1.50 1.49 1.51 -50 0 -25 50 75 25 100 temperature topt( c) output voltage h v out h (v) 1.46 1.48 1.47 1.53 1.52 1.50 1.49 1.51 -50 0 -25 50 75 25 100 temperature topt( c) output voltage l v out l (v) r1163x281x eco=h r1163x281x eco=l 2.76 2.77 2.83 2.81 2.79 2.78 2.82 2.80 -50 0 -25 50 75 25 100 temperature topt( c) output voltage h v out h (v) 2.76 2.77 2.83 2.81 2.79 2.78 2.82 2.80 -50 0 -25 50 75 25 100 temperature topt( c) output voltage l v out l (v) r1163x401x eco=h r1163x401x eco=l 3.97 3.99 3.98 4.05 4.03 4.01 4.00 4.04 4.02 -50 0 -25 50 75 25 100 temperature topt( c) output voltage h v out h (v) 3.98 3.99 4.06 4.05 4.03 4.01 4.00 4.04 4.02 -50 0 -25 50 75 25 100 temperature topt( c) output voltage l v out l (v)
r1163x 15 5) supply current vs. temperature r1163x151x eco=h r1163x151x eco=l -50 0 50 -25 25 75 100 temperature topt( c) 0 20 40 10 30 50 60 70 90 80 supply current h i ss h ( a) v in =2.5v -50 0 50 -25 25 75 100 temperature topt( c) 0 2 4 1 3 5 6 7 10 9 8 supply current i ss ( a) v in =2.5v r1163x281x eco=h r1163x281x eco=l -50 0 50 -25 25 75 100 temperature topt( c) 0 20 40 10 30 50 60 70 90 80 supply current h i ss h ( a) v in =3.8v -50 0 50 -25 25 75 100 temperature topt( c) 0 2 4 1 3 5 6 7 10 9 8 supply current i ss ( a) v in =3.8v r1163x401x eco=h r1163x401x eco=l -50 0 50 -25 25 75 100 temperature topt( c) 0 20 40 10 30 50 60 70 90 80 supply current h i ss h ( a) v in =5.0v -50 0 50 -25 25 75 100 temperature topt( c) 0 2 4 1 3 5 6 7 10 9 8 supply current i ss ( a) v in =5.0v
r1163x 16 6) standby current vs. input voltage 02 5 14 36 input voltage v in (v) standby current istb( a) 0.0 0.5 1.0 1.5 2.0 2.5 topt=85 c topt=25 c topt=-40 c 7) reverse current vs. output voltage v in =1v 1.5 3.0 5.5 2.0 5.0 4.0 3.5 2.5 4.5 6.0 output voltage v out (v) 0.000 0.004 0.008 0.012 0.016 0.018 0.002 0.006 0.010 0.014 0.020 topt=85 c topt=25 c topt=-40 c i rev1 ( a) 0.0 0.8 1.8 0.2 0.4 1.6 1.2 1.0 0.6 1.4 2.0 output voltage v out (v) 0.0 0.4 0.8 0.2 0.6 1.0 1.2 topt=85 c topt=25 c topt=-40 c v in =0v i rev3 ( a) 8) dropout voltage vs. output current r1163x151x eco=h r1163x151x eco=l 0 50 125 25 100 75 150 output current i out (ma) dropout voltage l v dif _l(v) 0.0 0.1 0.2 0.3 0.4 0.5 topt=85 c topt=25 c topt=-40 c 0 50 125 25 100 75 150 output current i out (ma) dropout voltage l v dif _l(v) 0.0 0.1 0.2 0.3 0.4 0.5 topt=85 c topt=25 c topt=-40 c
r1163x 17 r1163x161x eco=h r1163x161x eco=l 0 50 125 25 100 75 150 output current i out (ma) dropout voltage h v dif _h(v) 0.0 0.1 0.2 0.3 0.4 0.5 topt=85 c topt=25 c topt=-40 c 0 50 125 25 100 75 150 output current i out (ma) dropout voltage l v dif _l(v) 0.0 0.1 0.2 0.3 0.4 0.5 topt=85 c topt=25 c topt=-40 c r1163x171x eco=h r1163x171x eco=l 0 50 125 25 100 75 150 output current i out (ma) dropout voltage h v dif _h(v) 0.0 0.1 0.2 0.3 0.4 0.5 topt=85 c topt=25 c topt=-40 c 0 50 125 25 100 75 150 output current i out (ma) dropout voltage l v dif _l(v) 0.0 0.1 0.2 0.3 0.4 0.5 topt=85 c topt=25 c topt=-40 c r1163x181x eco=h r1163x181x eco=l 0 50 125 25 100 75 150 output current i out (ma) dropout voltage h v dif _h(v) 0.0 0.1 0.2 0.3 0.4 0.5 topt=85 c topt=25 c topt=-40 c 0 50 125 25 100 75 150 output current i out (ma) dropout voltage l v dif _l(v) 0.0 0.1 0.2 0.3 0.4 0.5 topt=85 c topt=25 c topt=-40 c
r1163x 18 r1163x211x eco=h r1163x211x eco=l 0 50 125 25 100 75 150 output current i out (ma) dropout voltage h v dif _h(v) 0.0 0.1 0.2 0.3 0.4 topt=85 c topt=25 c topt=-40 c 0 50 125 25 100 75 150 output current i out (ma) dropout voltage l v dif _l(v) 0.0 0.1 0.2 0.3 0.4 topt=85 c topt=25 c topt=-40 c r1163x281x eco=h r1163x281x eco=l 0 50 125 25 100 75 150 output current i out (ma) 0.00 0.10 0.20 0.05 0.15 0.25 0.30 topt=85 c topt=25 c topt=-40 c dropout voltage h v dif _ h(v) 0 50 125 25 100 75 150 output current i out (ma) 0.00 0.10 0.20 0.05 0.15 0.25 0.30 topt=85 c topt=25 c topt=-40 c dropout voltage l v dif _ l(v) r1163x401x eco=h r1163x401x eco=l 0 50 125 25 100 75 150 output current i out (ma) 0.00 0.10 0.20 0.05 0.15 0.25 0.30 topt=85 c topt=25 c topt=-40 c dropout voltage h v dif _ h(v) 0 50 125 25 100 75 150 output current i out (ma) 0.00 0.10 0.20 0.05 0.15 0.25 0.30 topt=85 c topt=25 c topt=-40 c dropout voltage l v dif _ l(v)
r1163x 19 9) dropout voltage vs. set output voltage r1163x eco=h r1163x eco=l 1.5 2.5 2.0 3.5 3.0 4.0 set output voltage v reg (v) 0.00 0.10 0.20 0.40 0.30 0.50 i out =10ma i out =30ma i out =50ma i out =100ma i out =150ma dropout voltage h v dif _ h(v) 1.5 2.5 2.0 3.5 3.0 4.0 set output voltage v reg (v) 0.00 0.10 0.20 0.40 0.30 0.50 i out =10ma i out =30ma i out =50ma i out =100ma i out =150ma dropout voltage l v dif _ l(v) 10) ripple rejection vs. input bias voltage r1163x281x eco=h r1163x281x eco=h 2.9 3.1 3.0 3.2 3.3 input voltage v in (v) 0 20 40 10 30 50 60 70 90 80 ripple rejection rr(db) f=1khz f=10khz f=100khz c in =none, c out =0.47 f, i out =1ma ripple=0.2vp-p 2.9 3.1 3.0 3.2 3.3 input voltage v in (v) 0 20 40 10 30 50 60 70 90 80 ripple rejection rr(db) c in =none, c out =0.47 f, i out =1ma ripple=0.5vp-p f=1khz f=10khz f=100khz r1162x281x eco=h r1162x281x eco=h 2.9 3.1 3.0 3.2 3.3 input voltage v in (v) 0 20 40 10 30 50 60 70 90 80 ripple rejection rr(db) c in =none, c out =0.47 f, i out =30ma ripple=0.2vp-p f=1khz f=10khz f=100khz 2.9 3.1 3.0 3.2 3.3 input voltage v in (v) 0 20 40 10 30 50 60 70 90 80 ripple rejection rr(db) c in =none, c out =0.47 f, i out =30ma ripple=0.5vp-p f=1khz f=10khz f=100khz
r1163x 20 r1163x281x eco=h r1163x281x eco=h 2.9 3.1 3.0 3.2 3.3 input voltage v in (v) 0 20 40 10 30 50 60 70 90 80 ripple rejection rr(db) c in =none, c out =0.47 f, i out =50ma ripple=0.2vp-p f=1khz f=10khz f=100khz 2.9 3.1 3.0 3.2 3.3 input voltage v in (v) 0 20 40 10 30 50 60 70 90 80 ripple rejection rr(db) c in =none, c out =0.47 f, i out =50ma ripple=0.5vp-p f=1khz f=10khz f=100khz 11) ripple rejection vs. frequency r1163x151x eco=h r1163x151x eco=l 0.1 1 10 100 frequency f(khz) 0 20 40 10 30 50 60 70 80 ripple rejection rr_h(db) c in =none, c out =0.47 f, v in =2.5v dc +0.2vp-p i out =1ma i out =30ma i out =50ma 0.1 1 10 100 frequency f(khz) 0 20 40 10 30 50 60 70 ripple rejection rr_l(db) c in =none, c out =0.47 f, v in =2.5v dc +0.2vp-p i out =1ma i out =30ma i out =50ma r1163x281x eco=h r1163x281x eco=l 0.1 1 10 100 frequency f(khz) 0 20 40 10 30 50 60 70 80 ripple rejection rr_h(db) c in =none, c out =0.47 f, v in =3.8v dc +0.2vp-p i out =1ma i out =30ma i out =50ma 0.1 1 10 100 frequency f(khz) 0 20 40 10 30 50 60 70 ripple rejection rr_l(db) c in =none, c out =0.47 f, v in =3.8v dc +0.2vp-p i out =1ma i out =30ma i out =50ma
r1163x 21 r1163x401x eco=h r1163x401x eco=l 0.1 1 10 100 frequency f(khz) 0 20 40 10 30 50 60 70 80 ripple rejection rr_h(db) c in =none, c out =0.47 f, v in =5.0v dc +0.2vp-p i out =1ma i out =30ma i out =50ma 0.1 1 10 100 frequency f(khz) 0 20 40 10 30 50 60 70 ripple rejection rr_l(db) c in =none, c out =0.47 f, v in =5.0v dc +0.2vp-p i out =1ma i out =30ma i out =50ma 12) input transient response r1163x151x eco=h r1163x151x eco=l 1.46 1.48 1.58 1.54 1.52 1.56 1.50 -2 0 -1 4 3 2 1 020 10 60 80 40 30 70 90 50 100 time t( s) input voltage v in (v) c in =none, c out =0.47 f i out =30ma output voltage v out (v) input voltage output voltage 0.5 1.0 3.5 2.5 2.0 3.0 1.5 -2 0 -1 4 3 2 1 0.0 0.2 0.1 0.6 0.8 0.4 0.3 0.7 0.9 0.5 1.0 time t(ms) input voltage v in (v) c in =none, c out =0.47 f i out =10ma output voltage v out (v) input voltage output voltage r1163x151x eco=l r1163x281x eco=h 0.5 1.0 3.5 2.5 2.0 3.0 1.5 -2 0 -1 4 3 2 1 0.0 0.2 0.1 0.6 0.8 0.4 0.3 0.7 0.9 0.5 1.0 time t(ms) input voltage v in (v) c in =none, c out =1 f i out =10ma output voltage v out (v) input voltage output voltage 2.76 2.78 2.88 2.84 2.82 2.86 2.80 0 2 1 6 5 4 3 020 10 60 80 40 30 70 90 50 100 time t( s) input voltage v in (v) c in =none, c out =1 f i out =30ma output voltage v out (v) input voltage output voltage
r1163x 22 r1163x281x eco=h 2.0 2.5 5.0 4.0 3.5 4.5 3.0 0 2 1 6 5 4 3 0.0 0.2 0.1 0.6 0.8 0.4 0.3 0.7 0.9 0.5 1.0 time t(ms) input voltage v in (v) c in =none, c out =1 f i out =10ma output voltage v out (v) input voltage output voltage 13) load transient response r1163x151x eco=h r1163x151x eco=h 1.3 1.4 1.9 1.7 1.6 1.8 1.5 -150 -50 -100 150 100 50 0 04 21216 8 61418 10 20 time t( s) output current i out (ma) v in =2.5v, c in =1 f c out =0.47 f output voltage v out (v) output current output voltage 1.3 1.4 1.9 1.7 1.6 1.8 1.5 -150 -50 -100 150 100 50 0 04 21216 8 61418 10 20 time t( s) output current i out (ma) v in =2.5v, c in =1 f c out =1.0 f output voltage v out (v) output current output voltage r1163x151x eco=h r1163x151x eco=h 1.3 1.4 1.9 1.7 1.6 1.8 1.5 -120 -60 -90 60 30 0 -30 04 21216 8 61418 10 20 time t( s) output current i out (ma) v in =2.5v, c in =1 f c out =0.47 f output voltage v out (v) output current output voltage 1.3 1.4 1.9 1.7 1.6 1.8 1.5 -120 -60 -90 60 30 0 -30 04 21216 8 61418 10 20 time t( s) output current i out (ma) v in =2.5v, c in =1 f c out =1.0 f output voltage v out (v) output current output voltage
r1163x 23 r1163x151x eco=l r1163x151x eco=l 1.3 1.4 1.9 1.7 1.6 1.8 1.5 -40 -20 -30 20 10 0 -10 0.0 0.4 0.2 1.2 1.6 0.8 0.6 1.4 1.8 1.0 2.0 time t(ms) output current i out (ma) v in =2.5v, c in =1 f c out =0.47 f output voltage v out (v) output current output voltage 1.3 1.4 1.9 1.7 1.6 1.8 1.5 -40 -20 -30 20 10 0 -10 0.0 0.4 0.2 1.2 1.6 0.8 0.6 1.4 1.8 1.0 2.0 time t(ms) output current i out (ma) v in =3.8v, c in =1 f c out =1 f output voltage v out (v) output current output voltage r1163x281x eco=h r1163x281x eco=h 2.6 2.7 3.2 3.0 2.9 3.1 2.8 -150 -50 -100 150 100 50 0 04 21216 8 61418 10 20 time t( s) output current i out (ma) v in =3.8v, c in =1 f c out =0.47 f output voltage v out (v) output current output voltage 2.6 2.7 3.2 3.0 2.9 3.1 2.8 -150 -50 -100 150 100 50 0 04 21216 8 61418 10 20 time t( s) output current i out (ma) v in =3.8v, c in =1 f c out =1 f output voltage v out (v) output current output voltage r1163x281x eco=h r1163x281x eco=h 2.6 2.7 3.2 3.0 2.9 3.1 2.8 -120 -60 -90 60 30 0 -30 04 21216 8 61418 10 20 time t( s) output current i out (ma) v in =3.8v, c in =1 f c out =0.47 f output voltage v out (v) output current output voltage 2.6 2.7 3.2 3.0 2.9 3.1 2.8 -120 -60 -90 60 30 0 -30 04 21216 8 61418 10 20 time t( s) output current i out (ma) v in =3.8v, c in =1 f c out =1 f output voltage v out (v) output current output voltage
r1163x 24 r1163x281x eco=l r1163x281x eco=l 2.4 2.6 3.6 3.2 3.0 3.4 2.8 -40 -20 -30 20 10 0 -10 0.0 0.4 0.2 1.2 1.6 0.8 0.6 1.4 1.8 1.0 2.0 time t(ms) output current i out (ma) v in =3.8v, c in =1 f c out =0.47 f output voltage v out (v) output current output voltage 2.4 2.6 3.6 3.2 3.0 3.4 2.8 -40 -20 -30 20 10 0 -10 0.0 0.4 0.2 1.2 1.6 0.8 0.6 1.4 1.8 1.0 2.0 time t(ms) output current i out (ma) v in =3.8v, c in =1 f c out =1 f output voltage v out (v) output current output voltage 14) turn on speed with ce pin r1163x151x eco=h r1163x151x eco=l -5 -4 3 1 0 2 -2 -3 -1 -0.5 0.5 0.0 3.5 2.5 1.5 3.0 2.0 1.0 -8 0 16 24 832 -4 12 20 428 time t( s) ce input voltage v ce (v) output voltage v out (v) v in =2.5v, c in =1 f c out =0.47 f i out =0ma output voltage ce input voltage -5 -4 3 1 0 2 -2 -3 -1 -0.5 0.5 0.0 3.5 2.5 1.5 3.0 2.0 1.0 -40 40 80 0 120 20 60 -20 100 time t(ms) ce input voltage v ce (v) output voltage v out (v) v in =2.5v, c in =1 f c out =0.47 f i out =0ma output voltage ce input voltage r1163x151x eco=h r1163x151x eco=l -5 -4 3 1 0 2 -2 -3 -1 -0.5 0.5 0.0 3.5 2.5 1.5 3.0 2.0 1.0 -8 0 16 24 832 -4 12 20 428 time t( s) ce input voltage v ce (v) output voltage v out (v) v in =2.5v, c in =1 f c out =0.47 f i out =30ma output voltage ce input voltage -5 -4 3 1 0 2 -2 -3 -1 -0.5 0.5 0.0 3.5 2.5 1.5 3.0 2.0 1.0 -0.2 0 0.4 0.6 0.2 0.8 -0.1 0.3 0.5 0.1 0.7 time t(ms) ce input voltage v ce (v) output voltage v out (v) v in =2.5v, c in =1 f c out =0.47 f i out =30ma output voltage ce input voltage
r1163x 25 r1163x151x eco=h r1163x151x eco=l -5 -4 3 1 0 2 -2 -3 -1 -0.5 0.5 0.0 3.5 2.5 1.5 3.0 2.0 1.0 -8 0 16 24 832 -4 12 20 428 time t( s) ce input voltage v ce (v) output voltage v out (v) v in =2.5v, c in =1 f c out =0.47 f i out =150ma output voltage ce input voltage -5 -4 3 1 0 2 -2 -3 -1 -0.5 0.5 0.0 3.5 2.5 1.5 3.0 2.0 1.0 -0.2 0 0.4 0.6 0.2 0.8 -0.1 0.3 0.5 0.1 0.7 time t(ms) ce input voltage v ce (v) output voltage v out (v) v in =2.5v, c in =1 f c out =0.47 f i out =150ma output voltage ce input voltage r1163x281x eco=h r1163x281x eco=l -10 -8 6 2 0 4 -4 -6 -2 -1 1 0 7 5 3 6 4 2 -20 0 40 60 20 80 -10 30 50 10 70 time t( s) ce input voltage v ce (v) output voltage v out (v) v in =3.8v, c in =1 f c out =0.47 f i out =0ma output voltage ce input voltage -10 -8 6 2 0 4 -4 -6 -2 -1 1 0 7 5 3 6 4 2 -20 0 40 60 20 80 -10 30 50 10 70 time t(ms) ce input voltage v ce (v) output voltage v out (v) v in =3.8v, c in =1 f c out =0.47 f i out =0ma output voltage ce input voltage r1163x281x eco=h r1163x281x eco=l -10 -8 6 2 0 4 -4 -6 -2 -1 1 0 7 5 3 6 4 2 -20 0 40 60 20 80 -10 30 50 10 70 time t( s) ce input voltage v ce (v) output voltage v out (v) v in =3.8v, c in =1 f c out =0.47 f i out =30ma output voltage ce input voltage -10 -8 6 2 0 4 -4 -6 -2 -1 1 0 7 5 3 6 4 2 -0.1 0 0.16 0.24 0.08 0.32 -0 0.12 0.2 0.04 0.28 time t(ms) ce input voltage v ce (v) output voltage v out (v) v in =3.8v, c in =1 f c out =0.47 f i out =30ma output voltage ce input voltage
r1163x 26 r1163x281x eco=h r1163x281x eco=l -10 -8 6 2 0 4 -4 -6 -2 -1 1 0 7 5 3 6 4 2 -20 0 40 60 20 80 -10 30 50 10 70 time t( s) ce input voltage v ce (v) output voltage v out (v) v in =3.8v, c in =1 f c out =0.47 f i out =150ma output voltage ce input voltage -10 -8 6 2 0 4 -4 -6 -2 -1 1 0 7 5 3 6 4 2 -0.1 0 0.16 0.24 0.08 0.32 -0 0.12 0.2 0.04 0.28 time t(ms) ce input voltage v ce (v) output voltage v out (v) v in =3.8v, c in =1 f c out =0.47 f i out =150ma output voltage ce input voltage r1163x401x eco=h r1163x401x eco=l -12 -10 -8 6 2 0 4 -4 -6 -2 -1 1 0 8 7 5 3 6 4 2 -20 0 40 60 20 80 -10 30 50 10 70 time t( s) ce input voltage v ce (v) output voltage v out (v) v in =5.0v, c in =1 f c out =0.47 f i out =0ma output voltage ce input voltage -12 -10 -8 6 2 0 4 -4 -6 -2 -1 1 0 8 7 5 3 6 4 2 -8 0 16 24 832 -4 12 20 428 time t(ms) ce input voltage v ce (v) output voltage v out (v) v in =5.0v, c in =1 f c out =0.47 f i out =0ma output voltage ce input voltage r1163x401x eco=h r1163x401x eco=l -12 -10 -8 6 2 0 4 -4 -6 -2 -1 1 0 8 7 5 3 6 4 2 -20 0 40 60 20 80 -10 30 50 10 70 time t( s) ce input voltage v ce (v) output voltage v out (v) v in =5.0v, c in =1 f c out =0.47 f i out =30ma output voltage ce input voltage -12 -10 -8 6 2 0 4 -4 -6 -2 -1 1 0 8 7 5 3 6 4 2 time t(ms) ce input voltage v ce (v) output voltage v out (v) v in =5.0v, c in =1 f c out =0.47 f i out =30ma output voltage ce input voltage -0.1 0 0.16 0.24 0.08 0.32 -0 0.12 0.2 0.04 0.28
r1163x 27 r1163x401x eco=h r1163x401x eco=l -12 -10 -8 6 2 0 4 -4 -6 -2 -1 1 0 8 7 5 3 6 4 2 -20 0 40 60 20 80 -10 30 50 10 70 time t( s) ce input voltage v ce (v) output voltage v out (v) v in =5.0v, c in =1 f c out =0.47 f i out =150ma output voltage ce input voltage -12 -10 -8 6 2 0 4 -4 -6 -2 -1 1 0 8 7 5 3 6 4 2 time t(ms) ce input voltage v ce (v) output voltage v out (v) v in =5.0v, c in =1 f c out =0.47 f i out =150ma output voltage ce input voltage -0.1 0 0.16 0.24 0.08 0.32 -0 0.12 0.2 0.04 0.28 15) turn off speed with ce pin r1163x151xd r1163x281xd -5 -4 -3 3 2 1 -1 -2 0 -0.5 0.0 3.5 3.0 2.0 1.0 2.5 1.5 0.5 time t(ms) ce input voltage v ce (v) output voltage v out (v) v in =2.5v, c in =1 f c out =0.47 f output voltage ce input voltage -0.1 0 0.16 0.24 0.08 0.32 -0 0.12 0.2 0.04 0.28 i out =0ma i out =30ma i out =150ma -5 -4 -3 4 3 2 1 -1 -2 0 -1.0 0.0 8.0 7.0 6.0 4.0 2.0 5.0 3.0 1.0 time t(ms) ce input voltage v ce (v) output voltage v out (v) v in =3.8v, c in =1 f c out =0.47 f output voltage ce input voltage -0.1 0 0.16 0.24 0.08 0.32 -0 0.12 0.2 0.04 0.28 i out =0ma i out =30ma i out =150ma r1163x401xd -6 -4 -3 6 5 2 4 3 -5 1 -1 -2 0 -1 0 11 9 7 10 8 6 4 2 5 3 1 time t(ms) ce input voltage v ce (v) output voltage v out (v) v in =5.0v, c in =1 f c out =0.47 f output voltage ce input voltage -0.1 0 0.16 0.24 0.08 0.32 -0 0.12 0.2 0.04 0.28 i out =0ma i out =30ma i out =150ma
r1163x 28 16) output voltage at mode alternative point r1163x151b/d r1163x281b/d 1.48 1.48 1.52 1.52 1.50 1.48 1.50 1.50 1.52 1.48 1.52 1.50 1.48 v in =2.5v, c in =ceramic 1.0 f, c out =ceramic 0.47 f time t(ms) -0.1 0.1 0.5 0.7 0.3 0.9 0.0 0.4 0.6 0.2 0.8 3 1.52 1.50 2 1 -1 0 eco input voltage v eco (v) i out =1ma i out =10ma i out =50ma i out =100ma i out =150ma output voltage v out (v) 2.78 2.82 2.80 2.80 2.78 2.82 2.78 2.78 2.80 2.82 2.80 2.82 v in =3.8v, c in =ceramic 1.0 f, c out =ceramic 0.47 f time t(ms) -0.1 0.1 0.5 0.7 0.3 0.9 0.0 0.4 0.6 0.2 0.8 4 2.80 2.82 2.78 3 2 1 0 -1 eco input voltage v eco (v) output voltage v out (v) i out =1ma i out =10ma i out =50ma i out =100ma i out =150ma 1.48 1.49 1.56 1.54 1.53 1.55 1.51 1.50 1.52 -5 -4 3 2 0 -2 1 -1 -3 -10 0 40 60 20 90 80 30 50 10 70 time t(ms) output voltage v out (v) eco input voltage v eco (v) i out =0ma 2.78 2.79 2.86 2.84 2.83 2.85 2.81 2.80 2.82 -4 4 2 3 0 -2 1 -1 -3 -10 0 40 60 20 90 80 30 50 10 70 time t(ms) output voltage v out (v) eco input voltage v eco (v) i out =0ma
r1163x 29 technical notes when using these ics, consider the following points: in these ics, phase compensation is made for securing st able operation even if the load current is varied. for this purpose, be sure to use a capacitor c out with good frequency characteristics and esr (equivalent series resistance) in the range described as follows: the relations between i out (output current) and esr of output ca pacitor are shown below. the conditions when the white noise level is under 40v (avg.) are marked as the hatched area in the graph. (1) frequency band: 10hz to 2mhz r1163x151x eco=h r1163x151x eco=l 0 40 80 120 20 60 100 140 load current i out (ma) topt=85 c topt=25 c topt=-40 c 0.01 100 1 0.1 10 esr( ) v in =2.0v to 6.0v, c in =1 f c out =0.47 f 0 40 80 120 20 60 100 140 load current i out (ma) 0.01 100 1 0.1 10 esr( ) v in =2.0v to 6.0v, c in =1 f c out =0.47 f r1163x281x eco=h r1163x281x eco=l 0 40 80 120 20 60 100 140 load current i out (ma) topt=85 c topt=25 c topt=-40 c 0.01 100 1 0.1 10 esr( ) v in =3.1v to 6.0v, c in =1 f c out =0.47 f 0 40 80 120 20 60 100 140 load current i out (ma) 0.01 100 1 0.1 10 esr( ) v in =3.1v to 6.0v, c in =1 f c out =0.47 f

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