FAN7314MX

FAN7314MX Datasheet

FAN7314 LCD Backlight Inverter Drive IC

Part	Datasheet
FAN7314MX	FAN7314MX (pdf)

Related Parts	Information
FAN7314M	FAN7314M

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FAN7314 LCD Backlight Inverter Drive IC October 2007 FAN7314 LCD Backlight Inverter Drive IC - High-Efficiency Single-Stage Power Conversion - Wide Input Voltage Range 5V to 25.5V - Back Light Lamp Ballast and Soft Dimming - Reduces Number of Required External Components - Precision Voltage Reference Trimmed to 2% - ZVS Half-Bridge Topology - Soft Start - PWM Control at Fixed Frequency - Analog and Burst Dimming Function - Programmable Striking Frequency - Open-Lamp Protection - Open-Lamp Regulation - 20-Pin SOIC The FAN7314 provides all the control functions for a series parallel resonant converter as well as a pulse width modulation PWM controller to develop a supply voltage. Typical operating frequency range is between 30kHz and 250kHz, depending on the CCFL and the transformer's characteristics. 20-SOIC Ordering Information Part Number FAN7314M FAN7314MX Package 20-SOIC 20-SOIC Operating Temperature Range -25°C ~ 85°C All packages are lead free per JEDEC J-SDD-020B standard. Packing Method Rail Tape & Reel FAN7314 LCD Backlight Inverter Drive IC Typical Application Circuit Application 19 inch LCD Monitor Lamps 4 Input Voltage 13V Schematic FUSE ON/OFF 12505WR-10 0 DIM 0~3.3V R24 10kΩ C22 220uF 25V 0 C28 10nF 0 REF R2 56kΩ R4 22kΩ C21 10nF R3 18kΩ IC1 FAN7314 C26 0.1uF 0 R6 82kΩ OUTB OUTB C1 0.22uF OUTA VIN OUTA C6 1uF 0 R25 10kΩ 0 C2 1uF GND REF PGND OUTC R7 0Ω ADIM BDIM OUTD CT EA_IN

PDF Datasheet Preview

FAN7314 LCD Backlight Inverter Drive IC

October 2007

FAN7314 LCD Backlight Inverter Drive IC
- High-Efficiency Single-Stage Power Conversion - Wide Input Voltage Range 5V to 25.5V - Back Light Lamp Ballast and Soft Dimming - Reduces Number of Required External Components - Precision Voltage Reference Trimmed to 2% - ZVS Half-Bridge Topology - Soft Start - PWM Control at Fixed Frequency - Analog and Burst Dimming Function - Programmable Striking Frequency - Open-Lamp Protection - Open-Lamp Regulation - 20-Pin SOIC

The FAN7314 provides all the control functions for a series parallel resonant converter as well as a pulse width modulation PWM controller to develop a supply voltage. Typical operating frequency range is between 30kHz and 250kHz, depending on the CCFL and the transformer's characteristics.
20-SOIC
Ordering Information

Part Number FAN7314M FAN7314MX

Package 20-SOIC 20-SOIC

Operating Temperature Range -25°C ~ 85°C

All packages are lead free per JEDEC J-SDD-020B standard.

Packing Method Rail

Tape & Reel

FAN7314 LCD Backlight Inverter Drive IC

Typical Application Circuit

Application 19 inch LCD Monitor

Lamps 4

Input Voltage 13V

Schematic

FUSE

ON/OFF
12505WR-10 0

DIM 0~3.3V

R24 10kΩ

C22 220uF 25V 0

C28 10nF 0 REF

R2 56kΩ

R4 22kΩ

C21 10nF

R3 18kΩ

IC1 FAN7314

C26 0.1uF 0

R6 82kΩ

OUTB

OUTB

C1 0.22uF

OUTA VIN

OUTA

C6 1uF 0

R25 10kΩ
0 C2 1uF

GND REF

PGND OUTC

R7 0Ω

ADIM BDIM

OUTD CT

EA_IN

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Datasheet ID: FAN7314MX 513970