FAN7311BMX

FAN7311BMX Datasheet

FAN7311B LCD Backlight Inverter Drive IC

Part	Datasheet
FAN7311BMX	FAN7311BMX (pdf)

Related Parts	Information
FAN7311BM	FAN7311BM

PDF Datasheet Preview
FAN7311B LCD Backlight Inverter Drive IC FAN7311B LCD Backlight Inverter Drive IC January 2007 - High-Efficiency Single-Stage Power Conversion - Wide Input Voltage Range 5V to 25.5V - Backlight Lamp Ballast and Soft Dimming - Reduced Number of Required External Components - Precision Voltage Reference Trimmed to 2% - ZVS Full-Bridge Topology - Soft-Start Capability - PWM Control at Fixed Frequency - Analog and Burst Dimming Function - Programmable Striking Frequency - Open-Lamp Protection - Open-Lamp Regulation - 20-Pin SOIC - LCD TV - LCD Monitor The FAN7311B 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 cold cathode fluorescent lamp CCFL and the transformer's characteristics. The FAN7311B uses a new patent-pending phaseshift control. 20-SOIC Ordering Information Part Number FAN7311BM FAN7311BMX Package 20-SOIC 20-SOIC Pb-Free Yes Operating Temperature Range -25°C to 85°C Packing Method Rail Tape & Reel Protected by U.S. Patent 5,652,479; FAN7311B LCD Backlight Inverter Drive IC Typical Application Circuits Application 19-inch LCD Monitor Lamps 4 Input Voltage 13V Schematic FUSE ON/OFF 12505W R -10 0 DIM 0~3.3V C22 220u 25V 0 C28 10n 0 REF 56k C21 10n R2 56k R3 75k IC1 FAN7311B OUTB 0.22u 0 ENA S_S GND REF ADIM BDIM OUTA VIN PGND OU TC OU TD C3 4.7n EA_IN EA_OU T RT BC T R8 100k R61n OUTB OUTA 1u 0 J1 C5 220p 0 R5 27k 0 C4 4.7n 0 R9 9.1k

PDF Datasheet Preview

FAN7311B LCD Backlight Inverter Drive IC

FAN7311B LCD Backlight Inverter Drive IC

January 2007
- High-Efficiency Single-Stage Power Conversion - Wide Input Voltage Range 5V to 25.5V - Backlight Lamp Ballast and Soft Dimming - Reduced Number of Required External Components - Precision Voltage Reference Trimmed to 2% - ZVS Full-Bridge Topology - Soft-Start Capability - PWM Control at Fixed Frequency - Analog and Burst Dimming Function - Programmable Striking Frequency - Open-Lamp Protection - Open-Lamp Regulation - 20-Pin SOIC
- LCD TV - LCD Monitor

The FAN7311B 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 cold cathode fluorescent lamp CCFL and the transformer's characteristics. The FAN7311B uses a new patent-pending phaseshift control.
20-SOIC
Ordering Information

Part Number FAN7311BM FAN7311BMX

Package 20-SOIC 20-SOIC

Pb-Free Yes

Operating Temperature Range -25°C to 85°C

Packing Method Rail

Tape & Reel

Protected by U.S. Patent 5,652,479;

FAN7311B LCD Backlight Inverter Drive IC

Typical Application Circuits

Application 19-inch LCD Monitor

Lamps 4

Input Voltage 13V

Schematic

FUSE

ON/OFF
12505W R -10 0

DIM 0~3.3V

C22 220u 25V 0

C28 10n 0 REF
56k C21 10n

R2 56k

R3 75k

IC1 FAN7311B

OUTB
0.22u 0

ENA S_S GND REF ADIM BDIM

OUTA VIN

PGND OU TC OU TD

C3 4.7n

EA_IN EA_OU T

RT BC T

R8 100k

R61n

OUTB

OUTA
1u 0 J1

C5 220p 0

R5 27k 0

C4 4.7n 0

R9 9.1k

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived FAN7311BMX Datasheet file may be downloaded here without warranties.

Datasheet ID: FAN7311BMX 513969