data brief for further information contact your local stmicroelectronics sales office. february 2008 rev 1 1/4 4 STEVAL-ISA034V1 10 w 3-phase auxiliary power supply based on the l6565 and stw3n150 features input voltage range : 185 vac to 460 vac input frequency range: 50/60 hz output 1: 12 v @0.6 a output 2: 5 v @ 0.55 a output power : 10 w safety: en60950 emi: en55014 description this evaluation board offers a solution for industrial power supplies fed by 3-phase mains. it takes advantage of the high voltage mosfet stw3n150 to optimize the operation of the quasi- resonant flyback converter based on the primary controller l6565. the stw3n150 is a 1500 v power mosfet, designed with stmicroelectronics? proprietary high voltage "mesh overlay?" technology. thanks to this technology, the switch features very low r ds(on) per area, low gate charge and high switching performance. the evaluation board has been designed and developed to address low power applications. it features two isolated outputs (12 v and 5 v) and is capable of delivering up to 10 w of output power. STEVAL-ISA034V1 www.st.com
circuit schematic STEVAL-ISA034V1 2/4 1 circuit schematic figure 1. schematic r 5 1 . 8 m l p = 1 5 m h 5 v @ 5 5 0 m a 1 2 v @ 6 0 0 m a n 1 / n 5 v = 8 7 r 2 4 n c n 1 / n 1 2 v = 3 8 n 1 / n a u x = 3 0 r 2 5 n c c o r e m a t e r i a l n 6 7 c o r e s h a p e e 2 0 ( e 2 5 ) l 8 1 m h d 1 0 1 n 4 0 0 7 a c l 9 1 m h c 2 0 1 0 n - x 2 4 0 0 v a c c o n 1 1 2 c 2 1 1 0 n - x 2 r 2 6 1 m r 2 7 1 m r 2 8 1 m r 2 9 1 m n t c 2 5 0 e + c 2 2 4 . 7 u f 2 3 0 v a c c o n 2 1 2 + c 2 3 4 . 7 u f f 4 1 a l 1 0 1 m h l 1 1 2 7 m h 1 2 3 4 d 1 1 1 n 4 0 0 7 a c d 1 2 1 n 4 0 0 7 a c d 1 3 1 n 4 0 0 7 a c 4 8 0 - 6 5 0 v d c 1 0 u l 7 1 0 u l 6 q 1 1 n c r 1 2 2 . 2 k - n c c o 4 2 2 u - 1 0 v c 1 6 n c r 1 1 1 0 u 1 l 6 5 6 5 v f f 3 z c d 5 i n v 1 g n d 6 g d 7 c o m p 2 c s 4 v c c 8 r 7 3 3 0 k r 1 3 2 7 k c 1 1 2 . 2 n r 1 5 1 5 k r 1 2 1 2 k q 1 1 n c r 1 2 2 . 2 k - n c c o 4 2 2 u - 1 0 v c 1 6 n c r 1 1 1 0 u 1 l 6 5 6 5 v f f 3 z c d 5 i n v 1 g n d 6 g d 7 c o m p 2 c s 4 v c c 8 r 7 3 3 0 k r 1 3 2 7 k c 1 1 2 . 2 n r 1 5 1 5 k r 1 2 1 2 k c 1 0 1 n c 1 9 2 . 2 n - y 1 r 1 7 1 k m 1 s t p 4 n 1 5 0 3 1 2 r 1 8 3 . 5 r 1 6 2 . 2 c 1 2 2 2 0 p r 1 9 2 . 2 k c 1 7 3 3 0 n r 2 2 1 0 k c 9 4 7 u r 2 1 1 0 k u 3 t l 4 3 1 2 3 c 1 0 1 n c 1 9 2 . 2 n - y 1 r 1 7 1 k m 1 s t p 4 n 1 5 0 3 1 2 r 1 8 3 . 5 r 1 6 2 . 2 c 1 2 2 2 0 p r 1 9 2 . 2 k c 1 7 3 3 0 n r 2 2 1 0 k c 9 4 7 u r 2 1 1 0 k u 3 t l 4 3 1 2 3 1 r 2 3 5 6 0 r 2 0 1 k c 1 8 n . c . p c 8 1 7 u 2 c 1 3 1 0 0 n c 1 4 1 0 0 p d 6 1 n 4 1 4 8 r 6 1 . 8 m c o 3 2 2 u - 2 5 v c 1 5 6 . 8 n - n c d 5 s t t h 1 0 8 r 9 1 5 0 k c 8 1 n / 2 k v d 7 1 n 4 1 4 8 r 1 4 1 2 0 k r 8 3 3 0 k r 1 0 1 5 0 k c o 1 2 2 0 u - 2 5 v d 8 s t p s 3 l 4 0 s d 9 s t p s 3 l 2 5 s c o 2 2 2 0 u - 1 0 v t 1 t r a n s f o r m e r 1 2 5 4 3 6 7 8 d 4 s t t h 1 0 8 j 6 c o n 2 c 8 1 n / 2 k v d 7 1 n 4 1 4 8 r 1 4 1 2 0 k r 8 3 3 0 k r 1 0 1 5 0 k c o 1 2 2 0 u - 2 5 v d 8 s t p s 3 l 4 0 s d 9 s t p s 3 l 2 5 s c o 2 2 2 0 u - 1 0 v t 1 t r a n s f o r m e r 1 2 5 4 3 6 7 8 d 4 s t t h 1 0 8 j 6 c o n 2 1 2 3
STEVAL-ISA034V1 revision history 3/4 2 revision history table 1. document revision history date revision changes 08-feb-2008 1 initial release.
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