september 2016 docid029799 rev 1 1 / 4 for further information contact your local stmicroelectronics sales office www.st.com steval - isa102v2 80 w high performance transition mode pfc evaluation board based on l6562a data brief features ? line voltage range: 88 to 265 v ac ? minimum line frequency (f l ): 47 hz ? regulated output voltage: 400 v ? rated output power: 80 w ? maximum 2f l output voltage ripple: 10 v pk - pk ? hold - up time: 20 ms (v drop after hold - up time: 300 v) ? minimum switching frequency: 35 khz ? minimum estimated efficiency: 92% (v in = 90 v ac , p out = 80 w) ? maximum ambient te mperature: 50 c ? pcb type and size: single - side, 35 m, cem - 1, 108 x 57 mm ? rohs compliant description the l6562a is a current - mode pfc controller operating in transition mode (tm ). with the same pinout as its l6562 predecessor, the l6562a offers improved performance mainly in terms of efficiency and noise immunity. the steval - isa102v2 implements an 80 w, wide - range mains input and a pfc pre - conditioner suitable for lighting, adapt ers, consumer smps, etc.
schematic diagram steval - isa102v2 2 / 4 docid029799 rev 1 1 schematic diagram figure 1 : steval - isa102v2 circuit schematic n tc 2.5 r4 27 0 k r 1 1 v o=400v po=80w d1 stth1l06 r5 27 0 k p 1 r1 1 m c1 0 2 2 f 270 k 1m r50 - 22 k c3 - 2200 nf 270 k 1m 10 nf 8 3 w 0 8 0 . 22 f 630v f 1 4a/25 0 v 5 6 l 6562 a 7 2 1 r7 33 q 1 stf7n60m2 4 c6 47 f 450v + - r2 1 m 150 nf v a c 88v to 264v vcc mu l t zc d com p inv g d r8 47k r3 15 k c29 22 f 25v r10 0.68 0.25w r13b 82 k c4 100 nf c2 10nf r9 0.68 0.25w r13 15 k g n d cs r15 sh o r ted boost induc t or spec (i t acoi l e25 4 3 / e) e25x1 3 x7 core, n67 ferrite 1.5 mm gap for 0.7 mh primar y inductan c e primar y : 102 turns 20x0 . 1 mm seconda r y: 10 turns 0.1 mm gspg2809161015sg
steval - isa102v2 revision history docid029799 rev 1 3 / 4 2 revision history table 1: document revision history date version changes 29 - sep - 2016 1 initial release.
steval - isa102v2 4 / 4 docid029799 rev 1 important notice C please read carefully stmicroelectronics nv and its subsidiaries (st) reserve the right to make changes, corrections, enhancements, modifications , and improvements to st products and/or to this document at any time without notice. pu rchasers should obtain the latest relevant information on st products before placing orders. st products are sold pursuant to sts terms and conditions of sale in place at the time of or der acknowledgement. purchasers are solely responsible for the choi ce, selection, and use of st products and st assumes no liability for application assistance or the design of purchasers products. no license, express or implied, to any intellectual property right is granted by st herein. resale of st products with p rovisions different from the information set forth herein shall void any warranty granted by st for such product. st and the st logo are trademarks of st. all other product or service names are the property of their respective owners. information in this document supersedes and replaces information previously supplied in any prior versions of this document. ? 2016 stmicroelectronics C all rights reserved
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