MXHV9910

更新时间： 2024-09-14 00:04:27

品牌	Logo	应用领域
IXYS		驱动器
页数	文件大小	规格书
5页	331K
描述
OFF-LINE HIGH BRIGHTNESS LED DRIVER

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MXHV9910 数据手册

MXHV9910

IXYS

Off-Line High Brightness LED Driver

Features:

General Description

The MXHV9910 is a high-efficiency off-line LED

driver. Manufactured using a dialectically isolated

process the MXHV9910 can operate from 8V to

400V. This highly versatile input operating voltage

enables a broad range of High Brightness (HB) LED

applications. The MXHV9910 drives an external

MOSFET at a fixed oscillator frequency set by an

external resistor. Peak constant current to an LED

string is maintained by modulating the MOSFET

GATE signal on and off through the external current

sense resistor connected to the CS input. Dimming

of and LED string is controlled by adjusting the duty

cycle of the PWM input, or applying a control

voltage from 0 to 250mV to the LD input.

• 8V to 400V Input Voltage Range

• High Efficiency

• Drives from 1 to Hundreds of LEDs in

Series/Parallel Combinations

• Regulated LED Drive Current

• Linear or PWM Brightness Control

• Resistor Programmable Oscillator Frequency

• SOIC-8 RoHS Compliant Package

Applications:

• Flat Panel Display RGB Backlighting

• Signage and Decorative LED Lighting

• DC/DC or AC/DC LED Driver Applications

Ordering Information

Qty

Part No.

Description

HV991000-00 SOIC-8

100

HV991041-00 SOIC-8 Tape & Reel

2500

Functional Block Diagram and Typical Application

8 - 400 V

VDD

MXHV9910

Voltage

Regulator

VIN

Voltage

Reference

ROSC

OSC

GATE

GND

PWM_D

MXHV9910

08/09/06

Drawing No. HV991009

www.claremicronix.com

12 3 4 5

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