FAN7314AMX

FAN7314AMX Datasheet


FAN7314A LCD Backlight Inverter Drive IC

Part Datasheet
FAN7314AMX FAN7314AMX FAN7314AMX (pdf)
Related Parts Information
FAN7314AM FAN7314AM FAN7314AM
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FAN7314A LCD Backlight Inverter Drive IC

June 2008

FAN7314A LCD Backlight Inverter Drive IC

Features High-Efficiency Single-Stage Power Conversion Wide Input Voltage Range 6V to 25.5V Backlight Lamp Ballast and Soft Dimming Minimal 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 Thermal Shutdown 20-Pin SOIC

Applications LCD TV LCD Monitor

The FAN7314A 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.

The FAN7314A is available in a 20-SOIC package.
Ordering Information

Part Number Package

Operating Temperature

Eco Status Packing Method

FAN7314AM FAN7314AMX
20-SOIC 20-SOIC
-25 to +85°C -25 to +85°C

RAIL TAPE & REEL

For Fairchild’s definition of “green” Eco Status, please visit Protected under U.S. patent nos.

Important Note:

For complete performance specifications, please contact one of the following:

NA TX EU UK KR AP HK JP

Jinho Choi Justin Ahn KI Jeon SH Lee Yasuhiko Itoh
2008 Fairchild Semiconductor Corporation FAN7314A

1-972-447-1316 +44 0 1793-856 828 02-3498-0543 852-2722-8372 03-5275-8380

FAN7314A LCD Backlight Inverter Drive

FAN7314A

Typical Application Circuit LCD Backlight Inverter

Application 22-Inch LCD Monitor

Device FAN7314A

Input Voltage Range 22V±5%

Number of lamps 4

Features High-Efficiency Single-Stage Power Conversion P-N Half-Bridge Topology Reduces Required External Components Enhanced System Reliability through Protection Functions
22.5V ENA BDIM ADIM

C601 470u, 35V

C602 470u, 35V

C820 1u, 50V

R612 10k

R610 24k
1 OLP
2 OLR

C622
0.22u 4

ENA S_S

C621

GND REF

RT1 20 OUTB 19 OUTA 18

VIN 17 PGND 16 OUTC 15

R619 100n

R619 51k

C625 1u, 50V
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Datasheet ID: FAN7314AMX 513971