赫钛科技, LED背光驱动器, LED驱动器, LED背光驱动板, LED背光控制器, LED背光控制板, LED驱动板, LED背光模块

LED背光驱动器

LED-252280

产品目录

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面板支援清单

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The LED-252280 backlight driver is designed for LED Array backlight module. It is a high efficiency and low profile driving board. Wide diming control allows users to set LED brightness smoothly. Power protection feature is able to protect LED module from damage by over current or over voltage.

High efficiency

Low profile and compact design

Constant LED current (280mA)

PWM 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 30mm x 7.5mm
Weight: 24g

LCD Application

LCD Model: Prime View-PD080SL3

Operating Condition

Item	Symbol	Condition	Min.	Max.	Unit
Input Voltage	Vin		4.5	5.5	V
Operating Temperature	Top	Ha≦90%RH	-20	70	°C
Storage Temperature	Tstg	Ha≦95%RH	-30	85	°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	4.5	5.0	5.5	V
LED String Voltage	V-led	-	11	-	V
Efficiency	H	78	80	82	%
Output Current (Per String)	I-out	-	280	-	mA
Turn-on Threshold	V-thon	1.8	5	9.7	V
Turn-off Threshold	V-thoff	-	1	1.3	V

(CN1) Input Connector

Pin No.	Symbol	Description
1	BKLT	VDD
2	BKLT	VDD
3	GND	Ground
4	GND	Ground
5	ENA	Enable
6	PWM	Brightness Control
7	AR	NC

(CN8) Output Connector

Pin No.	Symbol	Description
1	Vout	Anode
2	LGND	Cathod

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