Datasheet > A9910M8R

A9910M8R

更新时间： 2024-11-02 01:14:35

品牌	Logo	应用领域
创瑞 - AITSEMI		驱动
页数	文件大小	规格书
8页	242K
描述
UNIVERSAL HIGH BRIGHTNESS LED DRIVER

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A9910M8R 数据手册

A9910

AC-DC LED DRIVER

AiT Semiconductor Inc.

www.ait-ic.com

UNIVERSAL HIGH BRIGHTNESS LED DRIVER

DESCRIPTION

FEATURES

The A9910 is a PWM high-efficiency LED driver

control IC. It allows efficient operation of

high-brightness (HB) LEDs from voltage sources

ranging from 10VDC up to 600VDC. The A9910

controls an external MOSFET at fixed switching

frequencies up to 300kHz. The frequency can be

programmed using a single resistor. The LED string

is driven at a constant current rather than a constant

voltage, thus providing a constant light output and an

enhanced reliability. The output current can be

programmed between a few milliamps and up to

more than 1.0A. The A9910 uses a rugged

high-voltage junction isolated process that can

withstand an input voltage surge up to 600V. The

output current to a LED string can be programmed to

any value between zero and its maximum value by

applying an external control voltage at the linear

dimming control input of the A9910. The A9910

provides a low-frequency PWM dimming input that

can accept an external control signal with a duty ratio

of 0-100% and a frequency of up to a few kilohertz.

The A9910 is available in SOP8 package.



>90% efficiency

10V to 600V input range

Constant-current LED driver

Applications from a few mA to more than 1A

output



LED string from one to hundreds of diodes

Linear and PWM dimming capability

Input voltage surge ratings up to 600V

Available in SOP8 Package

APPLICATION



DC/DC or AC/DC LED driver applications

RGB backlighting LED driver

Backlighting of flat panel displays

General-purpose constant current source

Signage and decorative LED lighting

Automotive

Chargers

TYPICAL APPLICATION

ORDERING INFORMATION

Package Type

SOP8

Part Number

A9910M8R

A9910M8VR

R: Tape & Reel

Note

V: Halogen free Package

AiT provides all RoHS products

Suffix ꢀ V ꢀ means Halogen free Package

REV1.0

- MAR 2013 RELEASED -

- 1 -

12 3 4 5 6 7 8

中文翻译

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