Datasheet > AP5100

AP5100

更新时间： 2022-12-17 01:46:53

品牌	Logo	应用领域
美台 - DIODES		转换器开关
页数	文件大小	规格书
12页	412K
描述
1.2A Step-Down Converter with 1.4MHz Switching Frequency

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AP5100 数据手册

AP5100

1.2A Step-Down Converter with 1.4MHz Switching

Frequency

General Description

Features

The AP5100 is a current mode step-down converter with a built-in

power MOSFET to enable smallest solution size power

conversion.

•

V_IN4.75V to 24V

Load current of up to 1.2A

Internal Power MOSFET

Stable with Low ESR Ceramic Output Capacitors

Up to 90% Efficiency

0.1µA Shutdown Mode

Fixed 1.4MHz Frequency

Thermal Shutdown

Cycle-by-Cycle Over Current Protection

Resistor divider adjustable Output: 0.81V to 15V

SOT26: Available in “Green” Molding Compound

(no Br, Sb)

With the low series resistance power switch it enables a constant

output current of up to 1.2A over a wide input supply range. The

load and line regulation has excellent response time over the

operating input voltage and temperature range.

The AP5100 is self protected, through a cycle-by-cycle current

limiting algorithm and an on chip thermal protection.

The AP5100 will provide the voltage conversion with a low count

of widely available standard external components.

•

Lead Free Finish/RoHS Compliant (Note 1)

The AP5100 is available in SOT26 package.

Applications

•

Distributed Power Systems

Battery Charger

Pre-Regulator for Linear Regulators

WLED Drivers

Typical Applications

BST

.L1

V_OUT

AP5100

GND

OFF

Figure 1. Typical Application Circuit

AP5100

1 of 12

MARCH 2010

Document number: DS32130 Rev. 1 - 2

www.diodes.com

12 3 4 5 6 7...12

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