data brief for further information contact your local stmicroelectronics sales office. june 2008 rev 1 1/4 4 STEVAL-ISC002V1 resonant lcc 90 w notebook power adapter based on the l6599 and stp12nm50n features dimensions (l/w/h): 132 mm / 52 mm / 22 mm universal ac mains range: 90 vac to 264 vac high output power: 90 w (4.74 a, 19 vdc) very low output noise and ripple: less than 300 m v p-p very low standby power: less than 0.5 w at 264 v hiccup mode: auto recovery with scp latch mode: ovp acts while v out > 29 vdc efficiency > 88% at universal ac mains range description this demonstration board is a 90 w wide-range mains ac-dc adapter which is power factor corrected. its electrical specifications are suitable for typical high-end portable computer power adapters. the particular benefits of this design are the very low no-load input consumption (<0.5 w) and the very high global efficiency. the architecture is based on a two-stage approach: a front-end pfc pre-regulator based on the l6563 tm pfc controller and a downstream multi-resonan t half-bridge converter that makes use of the l6599 resonant controller. STEVAL-ISC002V1 www.st.com
schematic diagram STEVAL-ISC002V1 2/4 1 schematic diagram figure 1. resonant llc 90 w notebook power adapter schematic diagram 1 bd1 r3 c2 nc + nc d6 + + c13 fl1 d7 + d2 1 2 + c1 d8 + cx1 d3 r4 1 m ? d9 nc c8 6 7 2 4 3 1 + c4 r5 q6 l 1 n 3 fg 2 cn1 264 vac q1 c9 cf 3 8 7 5 4 css 1 2 16 nc 13 11 out 14 hvg 15 12 9 6 10 u2 c3 r6 3 m ? u3 q7 f1 1 1 2 2 3 3 q3 q2 d4 r7 2 m ? r1 d5 r8 cs 4 14 3 10 5 9 12 nv 1 2 6 gd 13 7 11 8 u1 c6 r2 1 2 4 6 7 8 9 10 11 12 t1 c5 x x am00204 t4a/250 vac 680 k ? 680 k ? 680 k ? 0.47 f /250 v fotc1905500800a cx2 0.47 f /250 v d2sb60a 0.47 f /450 v std1nk 60-1 1.5 m ? qp-25 l1 ntc1 stth2r06 sck2r55a 68 f / 450 v r23 1 m ? r24 1 m ? r27 2 m ? r28 3 m ? r26 82 k ? r25 15 k ? r29 8.2 k ? r30 22 k ? c14 68 pf r50 r51 r52 r53 nc nc nc nc cy1 3300py1 100 k ? r9 12 k ? 4401 1n4 148 d1 zd1 b zv55-c15 r10 10 k ? r11 62 k ? 10 nf r12 1 f/ 25 v 22 k ? 20 k ? r13 c7 1000 pf 150 k ? r14 0.47 f v cc comp mult pwm-gnd zcd vff tbo pfc-ok run pwm-stop pwm-latch l6563 240 k ? r15 1000 pf c10 33 nf c11 2.2 nf r16 0 ? 1n4148 r17 4.7 ? r19 1 k ? r18 22 k ? r20 0.27 ? 2 ? stp12n m50 c12 nc c18 470 nf r34 0 ? r35 15 k ? r33 2.7 k ? r21 100 k ? r22 6.8 k ? 4401 q4 r39 200 k ? c19 0.1 f / 25 v r40 220 ? c20 680 pf r41 2.7 k ? r40 0 ? c21 nc r37 120 ? r38 10 k ? c22 0.1 f x7r zd2 bzv55c22 ntc2 nc r36 nc c15 22 f / 6.3 v c16 0.22 f r32 1 m ? c17 470 pf npo 39 ? r31 l6599 delay vboot c23 0.1 f rfmin stby v cc isen lvg line gnd disable pfc_stop 1n4148 r43 47 ? 100 k ? r44 q5 stp9nk50zfp c24 0.1 f zd3 15 v c25 47 f /25 v r45 47 ? 1n4148 r46 100 k ? stp9nm50zfp c27 r47 1n4148 220 p / 500 v 1n4148 100 ? 1n4148 c28 220 f / 35 v r48 6.8 ? 1/4 w c26 0.022 f/ 300 vac lp-2920 cr201 cr202 stps20l60ct stps20l60ct l201 470 f / 25 v c201 c202 470 f / 25 v r201 nc 470 f / 25 v c203 r202 nc r203 nc 0.1 f / 25 v c204 mkdsn1.5_2p +19 v gnd cn2 r204 100 ? r205 3.9 k ? c205 1 f kst4401 1n4148 r49 4.3 k ? zd4 bzv55c15 r209 pc817b ic201 tl431 r210 c207 2.2 k ? 0.22 f c208 r211 120 k ? r212 6 k ? 2f r206 39 k ? 1% r207 0 ? r208 nc c206 nc 0.1 f 47 f / 25 v
STEVAL-ISC002V1 revision history 3/4 2 revision history table 1. document revision history date revision changes 11-june-2008 1 initial release.
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