ksd-i5o005-003 1 s52xxm low drop output voltage regulator description the s52xxm is a u-cap 150ma linear voltage regulator in th e sot-25 package. this regulator has very low dropout voltage and very low ground current. it is designed especi ally for hand-sets, battery-powered devices and can be controlled by a cmos or ttl. when the s52xxm is di sabled, power consumption drops to nearly zero. features ? output current of 150ma ? low quiescent current ? low dropout voltage ? current limit protection ? logic-controlled electronic enable ordering information type no. marking package code s52xxm 5 sot - 25 : voltage code (15:1.5v, 18:1.8v, 25:2.5v, 28:2.8v, 30:3.0v, 33:3.3v, 50:5.0v) : yy&ww code outline dimensions (unit : mm ) block diagram i - bandgap reference 5 vo control gnd + 2 bias circuit 3 v 1 noise bypass current limit circuit 4 pin connections 1. input 2. ground 3. control 4. noise bypass 5. output pin connections 1 2 3 4 5
ksd-i5o005-003 2 s52xxm absolute maximum ratings ta=25 c characteristic symbol rating unit input voltage v i 16 v control voltage v ct 16 v p d (note1) 500 power dissipation p d (note2) 150 mw junction temperature t j 150 c operating temperature range t opr -40~+85 c storage temperature range t stg -55 ~ +150 c note 1 : mount on a glass epoxy circuit board of 30x30mm pad dimension of 50mm 2 note 2 : no heat sink device selection guide device output voltage s5215m 1.5v s5218m 1.8v s5225m 2.5v S5228M 2.8v s5230m 3.0v s5233m 3.3v s5250m 5.0v
ksd-i5o005-003 3 s52xxm electrical characteristics (electrical characteristics at v i =v o +1v, i o =100ua, v ct 2.0v, c o =47uf, c byp =1uf, t a =25 , unless otherwise specified.) characteristic symbol device te st condition min typ max unit s5215m - 1.440 1.5 1.560 v s5218m - 1.728 1.8 1.872 v s5225m - 2.400 2.5 2.600 v S5228M - 2.688 2.8 2.912 v s5230m - 2.880 3.0 3.120 v s5233m - 3.168 3.3 3.432 v output voltage v o s5250m - 4.800 5.0 5.200 v line regulation v o( vi) all 1v v i -v o 10v, i o =100ua - 0.3 5 mv load regulation (note3) v o( il) all v i =v o +1v, i o =100ua ~ 100ma - 8 24 mv standby current i i(standby) all v ct 0.4v (v o shutdown) - 0.01 1 ua s5215m s5218m i o =50ma, v ct 2.0v - 1.5 3.0 ma quiescent current (note4) i qc s5225m S5228M s5230m s5233m s5250m i o =50ma, v ct 2.0v - 0.8 1.5 ma s5215m i o =100ma - 400 500 mv s5218m i o =100ma - 500 600 mv dropout voltage v drop s5225m S5228M s5230m s5233m s5250m i o =100ma - 140 250 mv control voltage (on) v ct(on) all - 1.6 - v i v control voltage (off) v ct(off) all - - - 0.4 v control current (on) i ct(on) all v ct 2.0v 2 5 10 ua control current (off) i ct(off) all v ct 0.4v - 0.01 1 ua note 3 : regulation is measured at constant junction temperature using low duty cycle pulse testing. note 4 : quiescent current is the regulator standb y current plus pass transistor base current. the total current drawn from the supply is the sum of the load current plus the quiescent current.
ksd-i5o005-003 4 s52xxm typical application fig. 1 fixed voltage regulator 5 byp ct c 3 v i o 5 c 4 2 1 v =1uf low- noise operation: c byp =470pf, c o 47uf basic operation: c byp =not used, c o 1uf = 47uf o v
ksd-i5o005-003 5 s52xxm electrical characteristic curves 100 60 80 40 2 0 0 relative output voltage [%] 150 100 200 50 350 300 250 output current i o [ma] s5215m ~s5218m s5225m ~s5250m fig.2 v o vs. i o 750 450 600 300 150 0 dropout voltage v drop [mv] 50 25 75 0 150 125 100 output current i o [ ma ] s52xxm v i =vo+1v fig.1 v drop vs. i o s5215m s5218m s5225 m ~ s5250m 100 60 80 40 20 0 relative output voltage [%] 0.6 0.3 0.9 0 1.8 1.5 1.2 control voltage v ct [v] fig.3 v o vs. v ct s5215m ~ s5218m s5225m ~ s5250m relative v o [%] 150 0 300 0 750 600 450 turn on time [us] fig.4 c byp vs. turn on time c byp =10pf c byp =100pf c byp =1000pf 3 7 5 1 00 5 0 25 0 0 v ct [v] 750 450 600 300 150 0 power dissipation [mw] 50 25 75 0 150 125 100 ambient temperature t a [ ] fig.5 p d vs. t a without heatshi k
ksd-i5o005-003 6 s52xxm outline dimension (unit : mm) recommend pcb solder land dimension (unit : mm)
ksd-i5o005-003 7 s52xxm the auk corp. products are intended for the use as components in general electronic equipment (office and co mmunication equipment, m easuring equipment, home appliance, etc.). please make sure that you consult with us before you use these auk corp. products in equipments which require high quality and / or reliability, and in equipments which could have major impact to th e welfare of human life(atomi c energy control, airplane, spaceship, transportation, co mbustion control, all types of safety device, etc.). auk corp. cannot accept liability to any damage which may occur in case these auk corp. products were used in the mentioned equi pments without prior consultation with auk corp.. specifications mentioned in this publicati on are subject to change without notice.
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