Datasheet > AP3005_11

AP3005_11

更新时间： 2024-02-25 14:49:42

品牌	Logo	应用领域
BCDSEMI		转换器 DC-DC转换器
页数	文件大小	规格书
11页	480K
描述
2A 420kHz PWM BUCK DC-DC CONVERTER

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中文翻译

获取价格

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AP3005_11 数据手册

Data Sheet

2A 420kHz PWM BUCK DC-DC CONVERTER

AP3005

Features

General Description

•

2A Constant Output Current

130mΩ R_DSONInternal Power MOSFET Switch

Up to 94% Efficiency

The AP3005 is a 420kHz fixed frequency PWM buck

(step-down) DC-DC converter, capable of driving a

2A load with high efficiency, low ripple and excellent

line and load regulation. The device includes a

voltage reference, an oscillation circuit, an error

amplifier, an internal PMOS and etc.

Fixed 420kHz Frequency

Wide 4.75V to 25V Input Voltage Range

Output Voltage Adjustable from 0.8V to 21V

Built in Thermal Shutdown Function

Built-in Current Limit Function

Built-in Soft-Start Function

Support Ceramic or Electrolytic Capacitors

The PWM control circuit is able to adjust the duty

ratio linearly from 0 to 100%. The enable function,

over current protection function, short circuit

protection function and soft-start function are built

inside. When OCP or SCP happens, the operation

frequency will be reduced from 420kHz to 40kHz.

An internal compensation block is employed to

minimize external components.

Applications

•

Portable DVD

LCD Monitor/LCD TV

Digital Photo Frame

ADSL

The AP3005 serves as an ideal power supply unit for

portable devices, especially for chip set power in

portable systems. It’s widely used for PDVD, LCD

monitor and DPF chip set powers.

Set-up Box

The AP3005 is available in SOIC-8 package.

SOIC-8

Figure 1. Package Type of AP3005

Mar. 2011 Rev. 1. 4

BCD Semiconductor Manufacturing Limited

12 3 4 5 6 7...11

中文翻译

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