Datasheet > AP3031A

AP3031A

更新时间： 2024-01-18 22:23:34

品牌	Logo	应用领域
BCDSEMI		转换器升压转换器
页数	文件大小	规格书
11页	257K
描述
WHITE LED STEP-UP CONVERTER

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AP3031A 数据手册

Data Sheet

WHITE LED STEP-UP CONVERTER

AP3031A

General Description

Features

The AP3031A is an inductor-based DC/DC boost con-

verter designed to drive LED arrays. 1.2A switching

current allows AP3031A to be used in series 10 LEDs

application typically.

Fast 1MHz Switching Frequency

Wide Input Voltage Range: 2.7V to 16V

Low 200mV Feedback Voltage

Output Over Voltage Protection:36V

Cycle by Cycle Current Limit: 1.2A

Built-in Soft-start

Built-in Standby Mode to Achieve High Fre-

quency PWM Dimming

Built-in Thermal Shutdown Function

Under Voltage Lockout

A constant frequency 1MHz PWM control scheme is

employed in this IC, which means tiny external com-

ponents can be used. Specifically, 1mm tall 22µH

inductor and 0.47µF output capacitor for the typical

application is sufficient.

The over output voltage protection is equipped in

AP3031A, which protects the IC under open load con-

dition. The AP3031A includes UVLO, soft-start, cur-

rent limit and OTSD to protect the circuit.

Applications

Digital Photo Frame

GPS Receiver

EPC

The AP3031A is available in standard SOT-23-6 pack-

age.

PDVD

SOT-23-6

Figure 1. Package Type of AP3031A

May 2009 Rev. 1. 1

BCD Semiconductor Manufacturing Limited

12 3 4 5 6 7...11

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