Datasheet > AOZ1084DI

AOZ1084DI

更新时间： 2024-11-14 12:51:27

品牌	Logo	应用领域
美国万代 - AOS		驱动器
页数	文件大小	规格书
12页	502K
描述
1.2A Buck LED Driver

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AOZ1084DI 数据手册

AOZ1084

1.2A Buck LED Driver

General Description

Features

The AOZ1084 is a high efficiency, simple to use, 1.2A

buck HB LED driver optimized for general lighting

applications. The AOZ1084 works from a 4.5V to 36V

input voltage range, and provides up to 1.2A of

continuous LED current. The 160mV LED current

feedback voltage minimizes the power dissipation of the

external sense resistor. The fixed switching frequency of

450kHz PWM operation reduces inductor and capacitor

sizes.



Up to 36V operating input voltage range

420mΩ internal NMOS

Up to 95% efficiency

Internal compensation

1.2A continuous output current

Fixed 450kHz PWM operation

Internal soft start

160mV LED current feedback voltage with ±8%

accuracy

The AOZ1084 is available in a tiny DFN2x2-8L package.



Cycle-by-cycle current limit

Short-circuit protection

Thermal shutdown

Small size DFN2x2-8L

Applications



General LED lighting

Architectural lighting

Signage lighting

Typical Application

VIN

4.7µF

VIN

DIM

2.2µH

VOUT

AOZ1084

LED1

10µF

GND

Figure 1. 1.2A Buck HB LED Driver

Rev. 0.3 April 2012

www.aosmd.com

Page 1 of 12

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