data brief for further information contact your local stmicroelectronics sales office. april 2011 doc id 018778 rev 1 1/4 4 STEVAL-ISA019V3 80 w esbt quasi-resonant wide -range smps demonstration board based on the l6565 for 3-phase applications features 3-phase 80 w auxilia ry output smps quasi-resonant smps input: 180 v ac to 600 v ac output voltage: 24 v, 3.3 a maximum output power: 80 w efficiency > 80 % switching frequency > 50 khz safety compliant according to en60950 feedback: secondary regulation rohs compliant description the STEVAL-ISA019V3 demonstration board is a 3-phase auxiliary power supply with an 80 w dual output smps, using the l6565 pwm driver and the stc04ie170hp esbt as the main switch. the combination of these st parts provides a high-efficiency solution for high dc input voltage, a typical requirement of any 3-phase application. the necessity to handle both high output power and wide input voltage is resolved using a flyback stage working in mixed operation mode: discontinuous and continuous. STEVAL-ISA019V3 www.st.com
circuit schematic STEVAL-ISA019V3 2/4 doc id 018778 rev 1 1 circuit schematic figure 1. demonstration board schematic r 11 1 1 b 0r 0 r d 2 1 n 4 0 07 0 7 d 3 1 n 4 0 07 0 7 d 4 1 n 4 0 07 0 7 r 16 1 6 1 r 5 0 . 6w 6 w + c 3 1 000 u 0 0 0 u 3 5v 3 5 v + c 4 10 1 0 0 0 u 0 u 3 5v 5 v r 2 4 1 k 5 r 7 3 9 k 2 w r 3 2 0 0k 0 k r 20 2 0 4 7k 7 k r 4 1 8 0k 0 k r 1 2 10r 1 0 r r 1 5 1k 1 k r 22 2 2 2 . 7k 7 k r 1 4 56k 5 6 k r 1 1 1r 1 r r 19 1 9 47k 4 7 k r 6 3 9 k 2 w r 2 2 0 0k 0 k c 9 4 7 0p 0 p c 7 6 . 8 n 2 k v c 1 3 1 0n 0 n c 11 1 1 2n2 2 n 2 c 8 1 5 0n 0 n + c 1 2 2 0 u 4 50v 5 0 v + c 5 47 u 4 7 u 50v 5 0 v r 1 1 8 0k 0 k r 2 3 3 k 3 + c 2 2 2 0 u 4 5 0v 0 v d 7 s t t h 1 0 8 0 8 d 8 s tt t t h 10 8 1 0 8 7 5 6 3 2 11 1 1 12 1 2 8 10 1 0 9 t 1 d e l t a 8 6 8 6 h - 6 017c 0 1 7 c d 9 3 v d 10 1 0 s tt t t h 1 0 8 4 1 3 2 q 1 s t c 0 4 i e 17 1 7 0 h p 1 2 j 3 24 2 4 v d c c o m p 2 i n v 1 v c c 8 c s 4 v f f 3 g n d 6 o u t 7 z c d 5 u 1 l 6 565n 5 6 5 n d 5 s t p s p s 2 0120d 0 1 2 0 d 1 2 4 3 i s o 1 p c 8 17 1 7 2 1 3 u 2 t l4 3 1 l 4 3 1 d 6 s t p s p s 1 1 5 0 r 17 1 7 1 r 5 0 . 6 w 1 4 2 3 t 2 v o g t s l 0512 0 5 1 2 2 021 0 2 1 0 1 n s 1 2 t u rn u r n s 2 t u rn t u r n s n a n a u x n p v c c v c c r 5 2 r 2 c 1 0 10p 1 0 p 1 2 j 1 1 60 6 0 - 5 50 5 0 va v a c c 6 10 1 0 0 n r 2 1 15k 1 5 k r 8 1 m 1 d 11 1 1 1 n 414 8 4 1 4 8 r 1 3 1 3 2 k 2 r 9 1 m 1 c 12 1 2 1n 1 n r 10 1 0 1 m 1 r 1 8 1 8 1 0 k r 26 2 6 1 k 2 n t c 1 1 0 r d 1 1 n 4 0 07 0 7 f 2 t 1a 1 a am07972v1 a m 0 7 9 7 2 v 1
STEVAL-ISA019V3 revision history doc id 018778 rev 1 3/4 2 revision history table 1. document revision history date revision changes 28-apr-2011 1 initial release.
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