Datasheet > AP3406_09

AP3406_09

更新时间： 2022-12-27 17:16:42

品牌	Logo	应用领域
BCDSEMI		转换器
页数	文件大小	规格书
12页	544K
描述
1.1MHz, 650mA SYNCHRONOUS DC-DC BUCK CONVERTER

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AP3406_09 数据手册

Data Sheet

1.1MHz, 650mA SYNCHRONOUS DC-DC BUCK CONVERTER

AP3406

Features

General Description

•

High Efficiency: up to 95%

Output Current: 650mA

Input Voltage Range: 2.5V to 5.5V

Fixed 1.1MHz Frequency

The AP3406 is a 1.1MHz fixed frequency, current

mode, PWM synchronous buck (step-down) DC-DC

converter, capable of driving a 650mA load with high

efficiency, excellent line and load regulation. The

device integrates a main switch and a synchronous

switch without an external Schottky diode. It is ideal

for powering portable equipment that runs from a

single Li-ion battery.

Current Mode Control

100% Duty Cycle in Dropout

Built-in Short Circuit Protection

Built-in Thermal Shutdown Function

Built-in Current Limit Function

Shutdown Current: <1μA

A standard series of inductors are available from

several different manufacturers optimized for use

with the AP3406. This feature greatly simplifies the

design of switch-mode power supplies.

Applications

This IC is available in TSOT-23-5 and SOT-23-5

packages.

•

GPS

WiFi Card

Portable Media Player

Digital Still and Video Cameras

TSOT-23-5

SOT-23-5

Figure 1. Package Types of AP3406

Oct. 2009 Rev. 1. 4

BCD Semiconductor Manufacturing Limited

12 3 4 5 6 7...12

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