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FAN7316MX

FAN7316MX

  • 厂商:

    FAIRCHILD(仙童半导体)

  • 封装:

  • 描述:

    FAN7316MX - LCD Backlight Inverter Drive IC - Fairchild Semiconductor

  • 数据手册
  • 价格&库存
FAN7316MX 数据手册
FAN7316 — LCD Backlight Inverter Drive IC January 2008 FAN7316 LCD Backlight Inverter Drive IC Features High-Efficiency Single-Stage Power Conversion W ide Input Voltage Range: 4.5V to 24V Backlight Lamp Ballast and Soft Dimming Reduces Required External Components Precision Voltage Reference Trimmed to 2% N-N Half-Bridge Topology PWM Control at Fixed Frequency Analog and Burst Dimming Function Selectable Burst Dimming Polarity by ADIM Voltage Striking Frequency Depending on Normal Frequency Open-Lamp Protection Open-Lamp Regulation Short-Circuit Protection 20-Pin SOIC Description The FAN7316 is a LCD backlight inverter drive IC that controls N-N half-bridge topology. The FAN7316 can also drive push-pull topology. The FAN7316 provides a low-cost solution by integrating the external open-lamp protection circuit. The operating voltage of the FAN7316 is wide, so the FAN7316 doesn’t need an external regulator to supply the voltage to the IC. The FAN7316 has the internal bootstrap driver, so the external fast recovery diode can be avoided. The FAN7316 provides various protections, such as open-lamp regulation, arc protection, open-lamp protection, short-circuit protection, and CMP-high protection to increase the system reliability. The FAN7316 provides analog dimming, burst dimming, and burst dimming polarity selection functions. The FAN7316 is available in a 20-SOIC package. Applications LCD TV LCD Monitor Ordering Information Part Number FAN7316M FAN7316MX Package 20-SOIC 20-SOIC Operating Temperature -25 to +85°C -25 to +85°C Packing Method RAIL TAPE & REEL All packages are lead free per JEDEC: J-STD-020B standard. Protected under U.S. patent number 5,652,479. © 2007 Fairchild Semiconductor Corporation FAN7316 • 1.0.1 www.fairchildsemi.com FAN7316 — LCD Backlight Inverter Drive IC Typical Application Circuit (LCD Backlight Inverter) Application 19-Inch LCD Monitor Device FAN7316 Input Voltage Range 14.5±10% Number of lamps 4 1. Features High-Efficiency Single-Stage Power Conversion N-N Half-Bridge Topology Reduces Required External Components Enhanced System Reliability through Protection Functions F1 FUSE C1 330u 0 C2 1u 0 C3 1u 0 TX1 LTM190EX 1 CN2 35001WR-02A 1 1 2 CN1 35001WR-02A 2 OLP3 OLP4 OLR 0 0 0 0 1 2 OLP3 R2 R3 100k 100k C5 10n R1 30k R24 0R C6 1u M1 D2 BAV70 DN1 C8 3p R4 10k 0 C9 3p OLP4 2 C10 2.7n 0 R5 10k 0 C11 2.7n 0 VS SCP BCT OUTH VB RT OLP3 CN5 1 2 3 4 5 6 7 8 9 10 OLP4 OLR VIN SN1 15V IC1 R31 10R 0 GN1 DN1 D3 BAV70 R6 680 0 R7 680 0 1 FAN7316 DIM(0~3.3V) C4 10u SN2 DN2 CN4 R30 35001WR-02A TX2 OUTL VREF OLP1 OLP2 BDIM ADIM ON/OFF GND CMP ENA 10R GN2 DN2 1 2 C7 10u AOP800 FB 12505WR-10 0 CN3 35001WR-02A 1 2 1 2 OLP1 R8 R9 100k 100k C12 33n 0 R25 N.C. R22 0R C23 N.C. 0 0 0 C15 3p R14 10k 0 C16 3p OLP2 R15 10k 0 2 OLP1 OLP2 REF R13 100k C13 1u 0 R27 10k OLR R18 100k 0 R10 12k C14 0.1u R20 10k C17 10n 0 0 R12 75k R11 9.1k 0 R23 N.C. 0 R29 0 D4 BAV70 C18 2.7n 0 C19 2.7n 0 C21 4.7n 0 D5 BAV70 R17 680 0 R16 680 0 R28 C20 1n 0 R19 10k 0 20k R21 20k Figure 47. Typical Application Circuit 2. Transformer Schematic Diagram Figure 48. Transformer Schematic Diagram 3. Core & Bobbin Core: EFD2126 Material: PL7 Bobbin: EFD2126 © 2007 Fairchild Semiconductor Corporation FAN7316 • 1.0.1 www.fairchildsemi.com 18 FAN7316 — LCD Backlight Inverter Drive IC © 2007 Fairchild Semiconductor Corporation FAN7316 • 1.0.1 www.fairchildsemi.com 21
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