data brief for further information contact your local stmicroelectronics sales office. july 2008 rev 1 1/5 5 STEVAL-ISA032V1 60 w forward converter demonstrat ion board for fiscal cash register based on the l5991 and stp10nk60z features input voltage: v in : 88 - 265 vac ? frequency: 50-60 hz output voltage: v out = 9 v output current: i out = 5.5 a (6 a peak) efficiency: >75% safety: en60950 compliant conducted emi: en55022 description the steval- isa032v1 forward converter demonstration board is a power supply based on the primary controller l5991 and the stp10nk60z n-channel 600 v power mosfet. it is designed to be suitable to supply power to the electronic fiscal cash register (efcr) demonstration board steval-ipc001v1. the steval- isa032v1 demonstration board accepts a wide range of input voltage (88 to 265 vac) and delivers a single 9 v output with a power capability of up to 50 w continuous, and 60 w peak, making it also capable of providing power to a thermal printer. STEVAL-ISA032V1 www.st.com
circuit schematic STEVAL-ISA032V1 2/5 1 circuit schematic figure 1. schematic diagram 1/2 + 9 v f f n f f n + + 9 9 v v 0 0 0 0 0 v i c i n o a l p i n r 4 2 . 2 k r r 4 4 2 2 . . 2 2 k k t 1 2 0 m h t t 1 1 2 2 0 0 m m h h 4 3 3 1 2 2 c 6 2 2 0 u c c 6 6 2 2 2 2 0 0 u u c 3 c c 3 3 2 2 0 u u u 1 1 p p c c 8 8 1 1 7 7 u 1 p c 8 1 7 f f 1 1 2 2 . . 5 5 a a f f u u s s e e f 1 2 . 5 a f u s e c c 8 8 3 3 3 3 0 0 n n c 8 3 3 0 n c c 1 1 9 9 1 1 n n c 1 9 1 n - + d 1 d i o d e b r i d g e - + d 1 d i o d e b r i d g e 1 2 3 4 d 4 s t t h 1 0 6 d d 4 4 s s t t t t h h 1 1 0 0 6 6 p w m _ l 5 9 9 1 v c c c o m p o o u u t t p g n d s s g g n n d d i s e n s e c 9 6 2 0 p c c 9 9 6 6 2 2 0 0 p p q 1 s t x 7 1 5 q q 1 1 s s t t x x 7 7 1 1 5 5 t 2 t r n s f m r p l t 2 0 t t 2 2 t t r r n n s s f f m m r r p p l l t t 2 2 0 0 1 0 1 1 7 7 1 6 1 1 6 2 2 5 1 1 4 4 c 7 4 . 7 n c c 7 7 4 4 . . 7 7 n n r 1 1 1 . 5 k r r 1 1 1 1 1 1 . . 5 5 k k c 2 1 0 0 n c c 2 2 1 1 0 0 0 0 n n d 2 s t p s 3 0 h 1 0 0 d d 2 2 s s t t p p s s 3 3 0 0 h h 1 1 0 0 0 0 c 1 1 0 0 n c c 1 1 1 1 0 0 0 0 n n r 7 3 . 9 k r r 7 7 3 3 . . 9 9 k k r 8 0 . 6 r r 8 8 0 0 . . 6 6 r 1 9 1 0 0 r r 1 1 9 9 1 1 0 0 0 0 r 1 3 3 k r r 1 1 3 3 3 3 k k r 5 3 3 r r 5 5 3 3 3 3 t n t c - 1 6 t n t c - 1 6 q q 2 2 s s t t p p 1 1 0 0 n n k k 6 6 0 0 z z q 2 s t p 1 0 n k 6 0 z 1 2 3 3 c 4 4 . 7 n c c 4 4 4 4 . . 7 7 n n c 5 2 2 0 u c c 5 5 2 2 2 2 0 0 u u j 1 c o n 2 j j 1 1 c c o o n n 2 2 1 2 2 j 2 c o n 2 j j 2 2 c c o o n n 2 2 1 2 2 d 3 1 n 4 1 4 8 d d 3 3 1 1 n n 4 4 1 1 4 4 8 8 r 1 0 6 8 0 r r 1 1 0 0 6 6 8 8 0 0 d 5 1 n 4 1 4 8 d d 5 5 1 1 n n 4 4 1 1 4 4 8 8 l 2 4 7 u h l l 2 2 4 4 7 7 u u h h t 3 1 0 m h t t 3 3 1 1 0 0 m m h h 4 3 3 1 2 2 u 2 t l 4 3 1 u 2 t l 4 3 1 r r 9 9 3 3 9 9 0 0 r 9 3 9 0 r r 2 2 4 4 7 7 k k r 2 4 7 k r r 3 3 4 4 7 7 k k r 3 4 7 k r r 6 6 1 1 . . 5 5 k k r 6 1 . 5 k c c 1 1 8 8 1 1 0 0 0 0 n n c 1 8 1 0 0 n d d 6 6 1 1 5 5 v v z z e e n n e e r r d 6 1 5 v z e n e r r r 2 2 0 0 1 1 0 0 0 0 r 2 0 1 0 0 am00642v1
STEVAL-ISA032V1 ci rcuit schematic 3/5 figure 2. schematic diagram 2/2 v c c c o m p o u t p g n d s s g g n n d d i s e n s e v i c i n o a l p i n r 1 4 2 2 r r 1 1 4 4 2 2 2 2 r 1 5 1 k r r 1 1 5 5 1 1 k k q 3 b c 3 3 7 q 3 b c 3 3 7 r r 1 1 2 2 1 1 5 5 k k r 1 2 1 5 k c 1 5 4 7 u c 1 5 4 7 u c 1 3 1 u c 1 3 1 u l 5 9 9 1 u 3 l 5 9 9 1 u 3 1 2 3 4 5 6 7 8 1 6 1 5 1 4 1 3 1 2 1 1 1 0 9 c 1 6 0 . 1 u c 1 6 0 . 1 u r 1 3 4 . 7 k r 1 3 4 . 7 k c 1 4 2 2 n c 1 4 2 2 n c 1 7 1 0 p c 1 7 1 0 p c 1 0 3 . 3 n c 1 0 3 . 3 n r 1 8 3 3 k r 1 8 3 3 k r 1 6 4 7 0 k r 1 6 4 7 0 k c c 1 1 1 1 1 1 0 0 p p c 1 1 1 0 p r 1 7 4 7 0 k r r 1 1 7 7 4 4 7 7 0 0 k k c 1 2 1 0 0 p c c 1 1 2 2 1 1 0 0 0 0 p p am00643v1
revision history STEVAL-ISA032V1 4/5 2 revision history table 1. document revision history date revision changes 30-june-2008 1 initial release.
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