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FAN7319M Datasheet(PDF) 21 Page - Fairchild Semiconductor |
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FAN7319M Datasheet(HTML) 21 Page - Fairchild Semiconductor |
21 / 23 page © 2010 Fairchild Semiconductor Corporation www.fairchildsemi.com FAN7319 • 1.0.1 21 Typical Half-Bridge Application Circuit (LCD Backlight Inverter) Application Input Voltage Range Number of Lamps LCD TV (LIPS Type) 13±10% CCFL/EEFL IP Figure 48. Typical Half-Bridge Application Circuit 0 IC2 FAN7319 20-SOIC VOLP REF BDIM ADIM CMP TIMER RT RT1 OUTB OUTA VIN OLR OLP MODE OVPR ENA SENSE GND OUTC OUTD VIN VIN D8 BAV70 SOT-23 R15 10k R22 30k R20 33 1W R27 33 1W R301 68R C301 OPEN R55 47k ZD301 15V SOD-123 C6 25pF/6KV C5 680nF 600V C24 2.2u C15 10n C401 OPEN C402 1n R58 33k C52 82uF 450V R304 1k F1 FUSE R30 open C51 82uF 450V C29 1u C3 25pF/6KV R52 4.7R ZD401 15V SOD-123 R59 0R D10 BAV70 SOT-23 R28 OPEN 1W C28 1n R303 12k R38 10k R19 15k R16 30k C1 47uF 25V Q301 Q2N2222A SOT-23 CN4 CN_CCFL R14 10k C23 2.2u M3 FDPF7N50F TO-220F D401 BAV70 SOT-23 R31 33k R403 12k CN2 12505WR-5 1 2 3 4 5 R57 100k R12 10k R302 1.8R R44 10k R305 12k M4 FDPF7N50F TO-220F C302 1n R401 68R R56 22R R402 1.8R T 3 C25 100n C26 1n D301 BAV70 SOT-23 C7 15n\ R60 OPEN R21 OPEN 1W R405 12k Q401 Q2N2222A SOT-23 C8 15n C27 100n R35 15k CN3 CN_CCFL R404 1k R53 10k R54 68k T 2 PFC_OUT(380Vdc) OLP SENSE OLR OUTB OUTA OUTA OUTB OLP SENSE OLR 0 0 0 R306 22R 0 0 0 REF 0 0 0 0 BDIM(External only) VIN(10~24V) 0 Puls e Trans form er ENA ADIM (Positive) C11 22p REF R307 22R R33 open C16 1n R34 30k |
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