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GM9130HV PDF预览

GM9130HV

更新时间： 2022-04-12 06:47:23

品牌	Logo	应用领域
GAMMA		驱动器
页数	文件大小	规格书
9页	228K
描述
3A LED Driver with Dimming Control

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GM9130HV 数据手册

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GM9130HV

3A LED Driver with Dimming Control

Description

Features

GM9130HV is the monolithic IC designed for a

step-down DC/DC converter capable of driving

3A load without an additional transistor. The

input voltage range is up to 60V. Its feedback

voltage, V^FB, is 200mV. The GM9130HV

operates at a switching frequency of 52kHz. The

external shutdown function is controlled by a

logic level on the ON/OFF pin and then the circuit

comes into the standby mode with I_STBY~50μA

(typ.).

Maximum input voltage up to 60V

V_FB: 200mV

Frequency: 52KHz

I_LED= 3.0A maximum

ON/OFF input may be used for the analog

dimming

Thermal protection

Cycle by cycle current limit

The ON/OFF pin may be used for the analog

dimming. As the voltage on the ON/OFF pin is

increased from 0.07V to 0.67V, the voltage on

the FB pin falls from 200mV to 0.

The self-protection features include a cycle-by-

cycle current limit and a thermal protection.

The GM9130HV is available in standard TO220-

5, and TO263-5 packages.

Besides, SOP8 with heat sink and TO252-5

packages are also available. However, these

packages are limited to heat dissipation and the

ILED is suggested below 2A.

Typical Application Circuits

GM9130HV

L1

100μH

2

1

5

V_IN

SW

FB

V_INup to 60V

4

ON/OFF

C_IN1

470μF

C_IN2

0.10μF

C_OUT

470μF

R_LOAD

Figure 1. Application for GM9130HV

www.gammamicro.com.tw

1

12 3 4 5 6 7...9

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