ksd-i0t009-002 1 jan. 2011 rev. 02 s52dxxx low dropout voltage regulator (1.0a series) marking detail information [ to-220f-4sl & to-252-5l pkg marking ] auk logo grade & m code & year & week code device code product marking package s52dxxd s52dxxd to-252-5l s52dxxpic s52dxxpic to-220f-4sl description the s52dxxx is an efficient linear low dropout voltage regulator for various electronic equipment. it is designed to provide very low dropout voltage, and better than 2.4% output voltage accuracy. and the s52dxxx has various key features such as current limiting, over temperature shut-down, over voltage protection, enable pin, and low noise performance with an low noise option. furthermore, it is available in adjustable or fixed output voltages in sop-8, to-252-5l, to-220f-4sl packages. application ? consumer and personal electronics ? smps post-regulator / dc-to-dc modules ? high-efficiency linear power supplies features and benefits ? low dropout voltage for 1.0a output : [ max. 500mv]. ? built in thermal shut down circuit. ? built in ovp, clp circuit. ? low quiescent current : [typ. 2.0ma] ? ultra high level of esd [ built in esd protection cell ] mm : 400v / hbm 3kv s s e e m m i i c c o o n n d d u u c c t t o o r r http:// www.auk.co.kr ordering information to-252-5l to-220f-4sl auk( ) g yww ( ) s52dxxx ( ) bias v ref tsd, ovp, clp + v in v ctl v out cn or adj gnd equivalent circuit
ksd-i0t009-002 2 jan. 2011 rev. 02 product name v out operating temperature package S52D00D adj. -30~125 to-252-5l s52d18d 1.8v -30~125 to-252-5l s52d25d 2.5v -30~125 to-252-5l s52d33d 3.3v -30~125 to-252-5l s52d50d 5.0v -30~125 to-252-5l s52d00pic adj. -30~125 to-220f-4sl s52d18pic 1.8v -30~125 to-220f-4sl s52d25pic 2.5v -30~125 to-220f-4sl s52d33pic 3.3v -30~125 to-220f-4sl s52d50pic 5.0v -30~125 to-220f-4sl ? pin configuration 1 2 3 4 5 6 1 2 3 4 to-252-5l 1: v in 2: v ctl 3: v out 4: adj/cn 5: gnd 6: v out fixed v out 1: v in 2: v out 3: gnd 4: v ctl adj v out 1: v in 2: v out 3: gnd 4: adj to-220f-4sl ? product line-up s52dxxx
ksd-i0t009-002 3 jan. 2011 rev. 02 parameter symbol limits unit input voltage v in 23.0 v power dissipation sop-8 p d 0.6(note1) w to-220f-4sl 2.0(note1) to-252-5l 1.5(note1) junction temperature t j 150 operate temperature range t opr -30 ~ +125 storage temperature range t stg -55 ~ +150 note 1 : no heat-sink absolute maximum ratings indicate limits beyond whic h damage to the component may occur. electrical specifications do not apply when operating the devi ce outside of its operating ratings. the maximum allowable power dissipation is a function of the maximum junction temperature, t j(max) , the junction-to-ambient thermal resistance, ja , and the ambient temperature, ta. the maximum allowable power dissipation at any ambient temperature is calculated using: pd(max) = (t j(max) ? t a ) ja . exceeding the maximum allowable power dissipation will result in excessive die temperature, and the re gulator will go into thermal shutdown. parameter symbol limits unit supply input voltage v in vo+0.5~20 v enable input voltage v ctl 0~ v in v output current i out 0~ 1.0 a ? absolute maximum ratin g s ( ta = 25 )
`{ guaranteed operating conditions ( ta = 25 ) s52dxxx
ksd-i0t009-002 4 jan. 2011 rev. 02 ( v in =v out +1.0v, c in = 0.33uf, c out = 47 uf, i out = 5ma, t j =25 ; unless noted ) no characteristics symbol condition specification unit min. typ. max. 1 output voltage s52d00x v out variation from nominal v out 1.215 1.240 1.265 v s52d18x 1.764 1.800 1.836 v s52d25x 2.450 2.500 2.550 v s52d33x 3.234 3.300 3.366 v s52d50x 4.900 5.000 5.100 v 2 line regulation v line v in =v out +1v to 12v, i out =5ma - 0.05 0.5 % 3 load regulation v load v in =v out +1v, i out =5ma to 1a - 0.1 1.0 % 4 quiescent current i qc v in =v out +1v to 20v, i out =0ma - 2.0 5.0 ma 5 ripple rejection r r i out =50ma, f=120hz 53.0 65.0 - db 6 dropout voltage v drop i out =1.0a - - 0.5 v 7 current limit i limit v in =v out +1v 1100 1300 - ma 8 output noise voltage v no vin=vout+1v, iout=50ma, 10hz f 100khz - 100 - uvrms 9 output on state for v ctl v ctl(on) - 2.0 - - v 10 output off state for v ctl v ctl(off) - - - 0.8 v 11 output on state for i ctl i ctl(on) v ctl =2.0v - - 20 ua 12 output off state for i ctl i ctl(off) v ctl =0.8v - - 0.1 ua 1) c in should be required if regulators are located far from power supply filter 2) c o improves output stability and transient response ( c o 47uf ) ? electrical characteristics s52dxxx typical application s52dxxx v in r l v out c in c o + ? h : enable l : disable v ctl
ksd-i0t009-002 5 jan. 2011 rev. 02 s52dxxx fig2. v out ? t j junction temperature [ ] output voltage v out [ma] 2.60 2.55 2.50 2.45 2.40 2.35 2.30 2.25 -30 0 30 60 90 120 150 v out = 2.5v -30 0 30 60 90 120 150 fig1. i qc ? t j junction temperature [ ] quiescent current i qc [ma] 2.80 2.60 2.40 2.20 2.00 1.80 1.60 1.40 fig3. v out ? v in input voltage v in [v] [ over-voltage protection ] output voltage v out [v] 0 5 10 15 20 25 30 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 v out = 2.5v fig4. v out ? t j junction temperature [ ] [ thermal shut-down protection ] output voltage v out [v] 25 50 75 100 125 150 175 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 v out = 2.5v
ksd-i0t009-002 6 jan. 2011 rev. 02 s52dxxx 0 0.3 0.6 0.9 1.2 1.5 2.0 fig5. v out ? i out output current i out [a] [ current limit characteristics ] output voltage v out [v] 2.80 2.60 2.40 2.50 2.00 1.80 1.60 1.40 v out = 2.5v fig6. v out ? t j input ripple frequency [ khz ] ripple rejection rr [db] 80 70 60 50 40 30 20 10 0.1 1.0 10 100 f = 120hz / i o = 50ma -30 0 30 60 90 120 150 fig7. v drop ? t j junction temperature [ ] drop-out voltage v drop [mv] 700 600 500 400 300 200 100 0.00 v out = 2.5v i o = 1.0a i o = 0.5a
ksd-i0t009-002 7 jan. 2011 rev. 02 s52dxxx fig.8 line transient response fig.9 line transient response fig.10 load transient response fig.11 load transient response output voltage deviation [v] 0.1 -0.1 0 load current [a] 1.0 0 0 120 80 160 40 200 time [s] output voltage deviation [mv] 20 -20 0 input voltage [v] 3.5 4.5 0 1.2 0.8 1.6 0.4 2.0 time [ms] cin=1.0uf, cout=47uf iout=10ma, t a =25 cin=1.0uf, cout=47uf, vin=vout+1v preload=200ma, t a =25 output voltage deviation [mv] 20 -20 0 input voltage [v] 3.5 5.5 cin=1.0uf, cout=47uf iout=10ma, t a =25 0 1.2 0.8 1.6 0.4 2.0 time [ms] output voltage deviation [v] 0.1 -0.1 0 load current [a] 1.0 0 0 120 80 160 40 200 time [s] cin=1.0uf, cout=47uf, vin=vout+3v preload=200ma, t a =25
ksd-i0t009-002 8 jan. 2011 rev. 02 ? to-252-5l outline dimension (unit : mm) recommend pcb solder land [unit: mm] s52dxxx 5 . 6 0 5.60 2 . 0 0 1.27 0.60 7 . 2 0 1 1 . 0 0
ksd-i0t009-002 9 jan. 2011 rev. 02 ? to-220f-4sl outline dimension (unit : mm) s52dxxx
ksd-i0t009-002 10 jan. 2011 rev. 02 the auk corp. products are intended for the use as components in general electronic equipment (office and communication e quipment, measuring 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 the welfare of human life(atomic energy control, airplane, spaceship, transportation, combustion control, all types of safet y 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. s52dxxx
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