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SSC9502S SSC9502S p p roposal roposal r r eport eport rm 1801, 18 rm 1801, 18 rm 1801, 18 th th th floor, 88 jung floor, 88 jung floor, 88 jung shiau shiau shiau east road, sec.2, east road, sec.2, east road, sec.2, taipei 100, taiwan r.o.c taiwan sanken taipei 100, taiwan r.o.c taiwan sanken taipei 100, taiwan r.o.c taiwan sanken tel: 02 tel: 02 tel: 02 - - - 2356 2356 2356 - - - 8161 8161 8161 fax: 02 fax: 02 fax: 02 - - - 2356 2356 2356 - - - 8261 8261 8261 wu checked b y sato master chao checked b y c chang written by 2008 / 06 / 19 date applicatio n output: 24v/6a,12v/3a input: 282vac (400vdc) pout= 180w contents free datasheet http:///
taiwan sanken taiwan sanken c c o o ., ., l l td td . . contents 1. efficiency & temper ature check ---------------------------------------- pg 3 2. circuit dia gram ------------------- -------------------------------------------- pg 4 3. transformer spec ification ------------------------------------------------- pg 5 4. start-up waveform check ---------- -------------------------------------- p g 6 5. start-up waveform check ---------- -------------------------------------- p g 7 6. oc pin waveform check -------------------------------------------------- pg 8 7. rc pin waveform check ------ --------------------------------------------- pg 9 8. rv pin waveform check -------- ------------------------------------------ p g 10 9. olp waveform ch eck ------------------------ ------------------------------p g 11 10. 2 nd capacitor short wavef orm check -------------------------------- p g 12 11. 24v vrm check at start-up -------- ------------------------------------- p g 13 12. 12v vrm check at start-up -------- ------------------------------------- p g 14 13. output ripple heck ------------------------------------------------------- pg 15
taiwan sanken taiwan sanken c c o o ., ., l l td td . . efficiency & temperature check efficiency check temperature check ta = 25 ? 91.4 196.07 179.13 3 11.73 6 23.99 282 12v 24v eff. (%) pin (w) pout (w) iout (a) voutdc(v ) iout (a) voutdc(v) vinac(v ) 37 d13 12v diode(
) 48 d12 53 d11 24v diode (
) 43 core 49 2st wire 44 1st wire transformer (
) 57 low side mos(
) 55 high side mos(
) 44 ic bady(
) 55 bridge diode(
) 282 vinac(v)
taiwan sanken taiwan sanken c c o o ., ., l l td td . . circuit diagram c31 473/630v c29 221 r40 680 r41 130 c27 224 c30 102 c19 101 r24 0 r25 4.7k c20 333 r22 680k r21 680k r23 680k r26 12k c21 104 c39 221/2kv c11 220uf/450v d11 fmen-220a d12 fmen-220a c37 2200uf/35v c38 1000uf/35v u8 tl431 1k r47 2.2k r59 47k c43 104 r60 2k r58 2.2k r56 15k d13 fmw-24l c40 1000uf/25v c41 470uf/25v l202 5.6uh add 330uf/25v r39 10k r36 10k r35 10 r38 10 d8 1n4148 d9 1n418 r34 100 r37 100 c17 224 r20 10 d4 eg01a c28 100/2kv c18 474 c23 10uf/50v vcc 2 8 2 v a c vsen fb gnd css oc rc reg rv com vgl nc nc nc nc vgh vs vb 18 17 16 15 14 13 12 11 10 1 2 3 4 5 6 7 8 9 b d 1 r b v - 1 5 0 6 l 2 c 9 3 4 3 c22 4.7uf/50v zd3 15v q4 sk2704 q5 sk2704 24v 12v t2 eer-39 v c c = 1 4 v u 3 b p c 8 1 7 u 3 a c36 222/2kv
taiwan sanken taiwan sanken c c o o ., ., l l td td . . transformer specification solenoid 0.1?*80 4 s2 12v/3a solenoid 0.1?*120 4 s1 24v/6a solenoid 0.1?*80 2 s2? 12v/6a solenoid 0.1?*120 2 s1? 24v/6a secondary solenoid 0.1?*80 36 p1 primary winding type wire (mm) turn (t) mark name transformer: core: eer-40 lp : 470uh gap: 0.4mm lr : 107uh hybrid ic: SSC9502S input range: 282vac output power: 180w (24v/6a,12v/3a)
taiwan sanken taiwan sanken c c o o ., ., l l td td . . start-up waveforms check max load (24v/6a,12v/3a) no load (24v/0a,12v/0a) ids(h)=5a/div vds(l)=500v/di v vds(h)=5v/div(*100) voc=2v/div ids(h)=5a/div vds(l)=500v/di v vds(h)=5v/div(*100) voc=2v/div
taiwan sanken taiwan sanken c c o o ., ., l l td td . . start-up waveforms check max load (24v/6a,12v/3a) no load (24v/0a,12v/0a) ids(h)=5a/div vds(l)=500v/di v vds(h)=5v/div(*100) vss=5v/div ids(h)=5a/div vds(l)=500v/di v vds(h)=5v/div(*100) vss=5v/div
taiwan sanken taiwan sanken c c o o ., ., l l td td . . oc pin waveforms check no load (24v/0a,12v/0a) max load (24v/6a,12v/3a) ids(h)=5a/div vds(l)=500v/di v vds(h)=5v/div(*100) voc=2v/div ids(h)=5a/div vds(l)=500v/di v vds(h)=5v/div(*100) voc=2v/div
taiwan sanken taiwan sanken c c o o ., ., l l td td . . rc pin waveforms check no load (24v/0a,12v/0a) max load (24v/6a,12v/3a) ids(h)=5a/div vds(l)=500v/di v vds(h)=5v/div(*100) vrc=2v/div ids(h)=5a/div vds(l)=500v/di v vds(h)=5v/div(*100) vrc=2v/div
taiwan sanken taiwan sanken c c o o ., ., l l td td . . rv pin waveforms check no load (24v/0a,/12v/0a) max load (24v/6a,12v/3a) ids(h)=5a/div vds(l)=500v/di v vds(h)=5v/div(*100) vrv=5v/div ids(h)=5a/div vds(l)=500v/di v vds(h)=5v/div(*100) vrc=5v/div
taiwan sanken taiwan sanken c c o o ., ., l l td td . . olp waveforms check output = (24v/6a,12v/3a) a (24v/8.6a,12v/3a) output = (24v/6a,12v/3a) a (24v/6a,12v/8.6a) ids(h)=5a/div vds(l)=500v/di v vds(h)=5v/div(*100) vfb=5v/div ids(h)=5a/div vds(l)=500v/di v vds(h)=5v/div(*100) vfb=5v/div
taiwan sanken taiwan sanken c c o o ., ., l l td td . . 2 nd capacitor short waveforms check 24v line 12v line ids(h)=5a/div vds(l)=500v/di v vds(h)=5v/div(*100) vfb=5v/div ids(h)=5a/div vds(l)=500v/di v vds(h)=5v/div(*100) vfb=5v/div
taiwan sanken taiwan sanken c c o o ., ., l l td td . . 24v vrm waveforms check enlarged vrm=10v/div gnd vin = 282vac vrm=10v/div gnd
taiwan sanken taiwan sanken c c o o ., ., l l td td . . 12v vrm waveforms check vin = 282vac enlarged vrm=10v/div gnd vrm=10v/div gnd
taiwan sanken taiwan sanken c c o o ., ., l l td td . . output ripple check at max load 24v line 12v line test condition: 20mhz band width, a 10uf capacitor in parallel with a 0.1uf cap acitor. ripple=50mv/div gnd ripple=10mv/div gnd

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