LED Backlight Driver, LED Driver, LED Backlight Driving Board, LED Backlight Controller, LED Backlight Controller Board, LED Driving Board, LED backlight driving board, LED Backlight Module

LED Backlight Driver

LED-261950

Product Catalog

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Panel Selection Guide

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The LED-261950 driving board is designed to drive LED backlight module. It is a constant frequency and current mode controller especially applied for LED arrays. In constant current LED applications, the LED- 261950 provides an especially wide PWM dimming range and DC voltage dimming control feature which allow users to adjust brightness smoothly. Additional power protection feature is able to protect LED module from damage by overcurrent and overvoltage.

High Dimming Ratio (3000:1)

Low Profile and Compact Design

Constant LED current

PWM/Or DC Voltage Dimming Control

Short Circuit and Overload Protection

External Power On/Off Control

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Mechanical Characteristics

Dimension (L x W x H): 100mm x 40mm x 10.5mm
Weight: 24g

LCD Application

LCD Model: Chilin-LQ057AC111

Operating Condition

Item	Symbol	Condition	Min.	Max.	Unit
Input Voltage	Vin		-	15	V
Operating Temperature	Top	Ha≦90%RH	-20	85	°C
Storage Temperature	Tstg	Ha≦95%RH	-30	100	°C
Operating Humidity	Hop	Ta=0 ~ 55°C	20	90	%RH
Storage Humidity	Hstg	Ta=20 ~ 80°C	-	95	%RH

Operating Characteristics

Unless otherwise noted Vin=5 Volts DC and T=25°C

Item	Symbol	Min.	Typ.	Max.	Unit
Input Voltage	Vin	-	12	15	V
Output Voltage	V-led	TBD	TBD	TBD	V
Dimming Ratio			-	3000:1
Output Current	I-out	-	950	-	mA
PWM Control Duty Ratio		10	-	100	%
PWM Control Frequency		180	-	25K	HZ
PWM Swing Voltage		2.0	-	5.5	V
DC Voltage Dimming Control		0		5	V

(CN1) Input Connector

Pin No.	Symbol	Description
1	BKLT	VDD
2	BKLT	VDD
3	GND	Ground
4	GND	Ground
5	ENA	Enable ( ON=+5V; OFF=0V)
6	Brightness	PWM/DC Voltage
7	AR	NC

(CN6) Output Connector

Pin No.	Symbol	Description
1	LEDIN1	Anode1
2	LEDO1	Cathod1

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