STEVAL-ISA032V1

STEVAL-ISA032V1 60 W forward converter demonstration board for fiscal cash register based on the L5991 and STP10NK60Z Data Brief Features ■ Input voltage: VIN: 88 - 265 Vac – frequency: 50-60 Hz ■ Output voltage: VOUT = 9 V ■ Output current: IOUT = 5.5 A (6 A peak) ■ Efficiency: >75% ■ Safety: EN60950 compliant ■ Conducted EMI: EN55022 ) s ( ct u d o Description r P e let STEVAL-ISA032V1 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. o s b O ) s ( t c 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. u d o r P e t e l o s b O July 2008 Rev 1 For further information contact your local STMicroelectronics sales office. 1/5 www.st.com 5 N .5 A F U S E 2 .5 N F 4 .7 .7 n NTC - 16 C7 +9V F1 t 0 0 100n C1 3 CON2 1 2 J2 J2 CON2 1 2 J1 J1 4 T1 20m H 2 1 R3 47k 1N4148 D3 T3 10m H PW M _L5991 R2 47k 100n C18 3 4 SG ND 2 1 OUT Q1 S T X7 X715 4 100n C2 C9 620p R5 33 D6 15V ZEN ER 2 .2 .2 k R4 C3 220u + 2 D1 D IO D E B R ID G E Vi c i n o a l p i n C om p IS E N S E V cc 2/5 1 s b O t e l o 33K R1 1 t c u D4 C4 4 .7 .7 n D5 1N4148 R8 0 .6 .6 T2 17 16 14 10 T R N SFM R PLT 20 6 5 2 1 U2 TL431 PC817 100 R19 1n U1 0 D2 S T P S 30H 3 0 H 100 100 C19 r P e t e l o s b O STP10NK60Z Q2 STTH106 ) (s PG ND P e d o r 3 R6 1 ..55 k 47uH L2 390 R9 680 R10 0 330n C8 C5 220u C6 220u 0 R11 1 .5 .5 k R7 3 .9 .9 k 100 R20 +9V Figure 1. 2 1 3 F Circuit schematic STEVAL-ISA032V1 Circuit schematic Schematic diagram 1/2 u d o ) s ( ct AM00642V1 STEVAL-ISA032V1 Figure 2. Circuit schematic Schematic diagram 2/2 BC337 Q3 15k R12 U3 1 2 3 4 5 6 7 8 R13 C10 3 .3 n 4 .7 k 16 15 14 13 12 11 10 9 Vi c i n o a l p i n C11 C12 10p C13 1u 100p R14 22 L5991 C14 22n R15 1k ) s ( ct C15 47u u d o R16 470k C om p Vcc OUT SGND IS E N S E let R17 C16 0 .1 u 470k r P e PGND o s b R18 O ) 33k C17 10p AM00643v1 s ( t c u d o r P e t e l o s b O 3/5 Revision history 2 STEVAL-ISA032V1 Revision history Table 1. Document revision history Date Revision 30-June-2008 1 Changes Initial release. ) s ( ct u d o r P e t e l o ) (s t c u d o r P e t e l o s b O 4/5 s b O STEVAL-ISA032V1 ) s ( ct Please Read Carefully: Information in this document is provided solely in connection with ST products. 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