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FAN7316

LCD Backlight Inverter Drive IC

Fairchild Semiconductor 

January 2008

FAN7316

LCD Backlight Inverter Drive IC

Features

ƒ High-Efficiency Single-Stage Power Conversion

ƒ Wide Input Voltage Range: 4.5V to 24V

ƒ Backlight Lamp Ballast and Soft Dimming

ƒ Reduces Required External Components

ƒ Precision Voltage Reference Trimmed to 2%

ƒ N-N Half-Bridge Topology

ƒ PWM Control at Fixed Frequency

ƒ Analog and Burst Dimming Function

ƒ Selectable Burst Dimming Polarity by ADIM Voltage

ƒ Striking Frequency Depending on Normal

Frequency

ƒ Open-Lamp Protection

ƒ Open-Lamp Regulation

ƒ Short-Circuit Protection

ƒ 20-Pin SOIC

Applications

ƒ LCD TV

ƒ LCD Monitor

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.

Ordering Information

Part Number

Package

Operating Temperature

FAN7316M

FAN7316MX

20-SOIC

20-SOIC

-25 to +85°C

-25 to +85°C

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

Protected under U.S. patent number 5,652,479.

Packing Method

RAIL

TAPE & REEL

© 2007 Fairchild Semiconductor Corporation

FAN7316 • 1.0.1

www.fairchildsemi.com

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