an37010a Panasonic Corporation of North America, an37010a Datasheet

an37010a

Manufacturer Part Number

an37010a

Description

4-channel Led Driver, Including A Built-in Dc-dc Converter, For Lcd Tv Backlight Backlight Led Driver An37010a

Manufacturer

Panasonic Corporation of North America

Datasheet

1.AN37010A.pdf (2 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

an37010a-VB

Manufacturer:

PANASONIC/松下

Quantity:

20 000

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New publication, effective from 3 Mar. 2011

AL00021BE

AN37010A is a 4-channel LED driver IC with built-in step-up DC-DC

converter, for LCD TV backlight. It is possible to drive series-connected

LEDs up to the voltage of 180 V applied to each channel. Inputting PWM

duty pulse for every channel externally supports the local dimming

control.

Moreover, since the maximum LED current value of each 4-channel can

be adjusted by external applied voltage, either normal mode or backlight

scan mode can be used by selecting the maximum LED peak current

value.

• LED driver IC with 4-channel constant current output

• Integrated 185V, 2Ω (typ.) MOSFETs for LED Driver Stages

• LED drive current range of each channel : 10 mA to 200 mA

• Dimming control by individual PWM Dimming for each channel

• Setting the common peak current value for all channels by external

• Built-in various protection functions

• Built-in 5 V regulator for internal circuits of IC

• The switching frequency of DC-DC converter is synchronized with

LED Backlighting for LCD-TV sets and LCD monitors

4-channel LED driver, including a built-in DC-DC converter, for LCD TV backlight

Backlight LED Driver AN37010A

applied voltage

an external signal

Overview

Feature

Applications

Thermal shutdown protection

Over-voltage protection

Over-current protection

LED abnormal detection

etc.

HSOP042-P-0400D

Development

Under

Unit : mm

Related parts for an37010a

an37010a Summary of contents

Page 1

... LED driver, including a built-in DC-DC converter, for LCD TV backlight Backlight LED Driver AN37010A Overview AN37010A is a 4-channel LED driver IC with built-in step-up DC-DC converter, for LCD TV backlight possible to drive series-connected LEDs up to the voltage of 180 V applied to each channel. Inputting PWM duty pulse for every channel externally supports the local dimming control ...

Page 2

Block Diagram 180 V RS Max 0 EOTA VCNT ＋－ VFB[1: RAMP f [kHz] SYNC SW 12 =110 000 /R [kΩ] T VREF ...

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