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ksd-i1e004-002 1 s6503/p power factor collector description it is adaptable to a discontinuous mode of operation that the s6503/p is advanced pfc (power factor correction) controller for the high density switchi ng mode power supply and electronic ballast systems. the bulky external components are eliminated in the internal start-up circuits, though it is taken in independent boost converter operation. what is mo re, instead of the external components, the low pass filter is mounted in internal current sense block. internal clamping of the error amplifier and multiplier output improve turn on overshoot characteri stics and current limiting. the one of features is able to prevent abnormal condition, open lamp & over voltage. features ? very precise adjustable output ovp (dynamic & static ovp function) ? extremely low start-up current ? low operating supply current ? internal start-up timer ? power factor maximizer & thd minimizer circuit ? complete wide range operation ? feedback open protection ? minimum on timer ? current sense filter on chip ? disable function ? extremely minimized external part counts high speed response time applications ? switching mode power supply (smps) ? electronic ballast ordering information type no. marking package code s6503 s6503 sop-8 S6503P s6503 dip - 8
ksd-i1e004-002 2 s6503/p block diagram pin description no symbol i/o description 1 inv i inverting input of error amplifier 2 comp o output of error amplifier 3 mult i multiplier input 4 cs i current sense input 5 zcd i zero current detect 6 gnd - ground 7 out o totem-pole output 8 vcc - power supply voltage
ksd-i1e004-002 3 s6503/p absolute maximum ratings characteristics symbol value unit maximum supply voltage v ccmax 27 v output peak current i peak 500 ? analog input & output (pin 1,2,3,4,5) v inmax -0.3 ~ 7 v zcd input maximum current i zcd 10 ? power dissipation p dmax sop-8 600 ? dip-8 800 operating junction temperature t j -35 ~ 150 storage temperature t stg -55 ~ 150 electrical characteristics (ta = -25 to 125 , v cc =14v unless otherwise specified.) characteristics symbol test condition min. typ. max. unit supply voltage & current section v cc turn-on threshold v cc(on) v cc increasing 11 12 13 v v cc turn-off threshold v cc(off) v cc decreasing 8.7 9.5 10.3 v hysteresis voltage hys 2 2.5 3 v start-up current i st before turn-on 20 40 70 ? quiescent current i q no switching 1 4 6 ? operating supply current i cc c l =1nf, f sw =50khz 2 5 8 ? operating current at ovp i cc_ovp v inv =2.7v 0.5 2 4 ? operating current at disable i cc_dis v zcd < 150mv 0.5 2 4 ? error amplifier section input voltage v inv ta = 2 5 2.465 2.5 2.535 v line regulation dv inv v cc =12 ~27v - 0.1 5 ? input bias current i inv -0.5 -0.1 0.5 ? open loop gain av 60 80 - ? gain bandwidth gb - 1 - ? output source current i source v comp =4v,v inv =2.4v -2 -4 - ? output sink current i sink v comp =4v,v inv =2.6v 3 5 - ? upper clamp voltage v upper i o =-100ua,v inv =2.4v - 5.6 - v lower clamp voltage v lower i o =100ua, v inv =2.6v - 2.25 - v feedback open protection threshold voltage v fo v inv decreasing 150 200 250 ?
ksd-i1e004-002 4 s6503/p electrical characteristics (continued) (ta = -25 to 125 , v cc =14v unless otherwise specified.) characteristics symbol test condition min. typ. max. unit multiplier section linear operating voltage vmult 2.8 3.2 - v output maximum slope dv cs /dv mult v mult = 0.5 ~ 0.9v, v comp = upper clamp 1.3 1.5 1.7 v/v mltiplier gain k ta = 2 5 , v mult =1v v comp =3.5v 0.5 0.65 0.75 1/v current sense (cs) section reference clamp voltage v cs v mult =2.5v, v comp =upper clamp 1.65 1.75 1.85 v input bias current i cs v cs = 0 ~ 1.6v -0.5 -0.1 0.5 ? delay to output t d(h-l) - 200 - ? zero current detector (zcd) section input threshold voltage v zcd v zcd increasing 1.8 2.1 2.4 v hysteresis voltage hy(zcd) - 0.5 - v upper clamp voltage v clamp(h ) i zcd = 3ma 48 5.4 6 v lower clamp voltage v clamp(l ) i zcd = -3ma 0.3 0.6 - v input bias current i zcd v zcd = 1 ~ 3v - 1 - ? source current i source(zcd) -3 - - ? sink current i sink(zcd) 3 - - ? disable input voltage v dis v zcd decreasing 150 200 250 ? reset current after disable i dis pin5 = 0v -30 -80 - ? restart timer section restart time delay t rst 70 130 300 ?
ksd-i1e004-002 5 s6503/p s6503/p electrical characteristics (continued) (ta = -25 to 125 , vcc=14v unless otherwise specified.) characteristics symbol test condition min. typ. max. unit output section output high voltage v oh i o =-10ma 10.5 11.5 12.5 v i o =-100ma 10 11 12 v maximum voltage v omax v cc =20v, i o =-1ma 11 13 15 v output low voltage v ol i o =10ma - 0.1 1 v i o =100ma - 1.2 2.5 v output voltage with uvlo activated v o(uv) i o =1ma - - 1 v minimum on time t on(min) - 150 1 ? output rising time t r c l = 1nf - 50 - ? output falling time t f c l = 1nf - 50 - ? over voltage protector (ovp) section dynamic ovp current i ovp 35 40 45 ? dynamic ovp current hysteresis i ovp(hys) - 30 - ? static ovp threshold voltage v ovp v inv = 2.7v 2.1 2.25 2.4 v
ksd-i1e004-002 6 ) 4 /( ) ( 2 f p v v v v l o o p p o ? = application information 1. main inductor where, : efficiency (0.95) v o : dc link voltage v p : input peak voltage p o : output power f: switching frequency 2. resistor for current sense r s = 1.75/i lp where, i lp : inductor peak current 3. resistor for multiplier r ml < 0.69 x r mu / (v p C 0.69) where, r mu : under resistor for multiplier input r ml : lower resistor for multiplier input 4. resistor for error amplifier r el = 2.5 x r eu / (v o ? 2.5) where, r eu : under resistor for error amplifier inverting input r el : lower resistor for error amplifier inverting input s6503/p
ksd-i1e004-002 7 s6503/p 5. over voltage protector (ovp) v o = r eu [ ? ] x 40[ ? ] fig.2 ovp operating timing chart fig.1 over voltage protection circuit
ksd-i1e004-002 8 s6503/p operating timing chart typical application circuit (85vac ~ 265vac, 80w)
ksd-i1e004-002 9 s6503/p 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 vmult[v] vcs[v] vc om p=4. 0v vc om p=4. 5v vc om p=5. 5v vc om p=2. 7v vc om p=3. 0v vc om p=3. 5v electrical characteristic curves fig.4 output voltage vs. disable input voltage fig.6 reference clamp voltage vs. linear operating voltage fig.1 operating supply current vs. supply voltage fig.2 start-up current vs. supply voltage fig. 5 output voltage vs. input voltage fig.3 output voltage vs. input threshold voltage
ksd-i1e004-002 10 s6503/p 2 3 4 5 6 7 -25 0 25 50 75 100 125 ta[] ic c [m a ] 0.0 0.2 0.4 0.6 0.8 1.0 -25 0 25 50 75 100 125 ta[] k [1/v] 10.0 10.5 11.0 11.5 12.0 12.5 13.0 -25 0 25 50 75 100 125 ta[] voh [v] io: -10ma 0.05 0.38 0.71 1.04 1.37 1.70 -25 0 25 50 75 100 125 ta[] vol [v] io: 100ma fig.10 multiplier gain vs. ambient temperature fig.12 output low voltage vs. ambient temperature fig.7 output high voltage vs. output source current fig.8 output low voltage vs. output sink current fig.11 output high voltage vs. ambient temperature fig.9 operating supply voltage vs. ambient temperature
ksd-i1e004-002 11 s6503/p 2.47 2.48 2.49 2.50 2.51 2.52 2.53 -25 0 25 50 75 100 125 ta[] vinv [v] 1.30 1.35 1.40 1.45 1.50 1.55 1.60 1.65 1.70 -25 0 25 50 75 100 125 ta[] kvm [v/v] fig.13 output maximum slop vs. ambient temperature fig.14 input voltage vs. ambient temperature
ksd-i1e004-002 12 outline dimension (unit : mm) s6503/p recommend pcb solder land (unit : mm)
ksd-i1e004-002 13 outline dimensions unit: mm 6.20~6.60 3.55 max. 0.25 min. 7.62 typ. 0.38 max. 1.65 max. 2.54 typ. 3.20~3.60 0.38 max. 9.00~9.40 1 2 3 4 8 7 6 5 s6503/p
ksd-i1e004-002 14 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 equipm ents without prior consultation with auk corp.. specifications mentioned in this publicati on are subject to change without notice. s6503/p

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