FAN7314AM

FAN7314AM Datasheet

FAN7314A LCD Backlight Inverter Drive IC

Part	Datasheet
FAN7314AM	FAN7314AM (pdf)

Related Parts	Information
FAN7314AMX	FAN7314AMX

PDF Datasheet Preview
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

PDF Datasheet Preview

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: FAN7314AM 513971