Datasheet > A7566

A7566

更新时间： 2024-11-10 01:11:31

品牌	Logo	应用领域
创瑞 - AITSEMI		DC-DC转换器
页数	文件大小	规格书
11页	415K
描述
DC-DC CONVERTER BOOST MICROPOWER SYNCHRONOUS

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A7566 数据手册

A7566

AiT Semiconductor Inc.

www.ait-ic.com

DC-DC CONVERTER BOOST(STEP-UP)

1.2MHz, MICROPOWER SYNCHRONOUS

DESCRIPTION

FEATURES

The A7566 is synchronous, fixed frequency,

step-up DC/DC converters delivering high

efficiency in a 6- lead SOT package. Capable of

supplying 3.3V at 100mA from a single AA cell

input, the device contain an internal NMOS switch

and PMOS synchronous rectifier. A switching

frequency of 1.2MHz minimizes solution footprint

by allowing the use of tiny, low profile inductors

and ceramic capacitors. The current mode PWM

design is internally compensated, reducing

external parts count. The A7566 features

continuous switching at light loads. The device

features low shutdown current of under 1uA.



High Efficiency: Up to 92%

1.2MHz Constant Switching Frequency

3.3V Output Voltage at I_OUT=100mA from a Single

AA Cell; 5.0V Output Voltage at I_OUT=500mA from

one Li battery.



Start-up Voltage: 0.85V (typical)

Integrated main switch and synchronous rectifier.

No Schottky Diode Required



2.5V to 5V Output Voltage Range

Automatic Pulse Skipping Mode Operation

Tiny External Components

<1μA Shutdown Current

Available in SOT-26 Package

APPLICATION

The A7566 is available in SOT-26 package.



Cellular and Smart Phones

Microprocessors and DSP Core Supplies

Wireless and DSL Modems

MP3 Player

ORDERING INFORMATION

Digital Still and Video Cameras

Portable Instruments

Package Type

Part Number

A7566E6R-ADJ

A7566E6VR-ADJ

SOT-26

SPQ: 3,000pcs/Reel

TYPICAL APPLICATION CIRCUIT

V: Halogen free Package

R : Tape & Reel

Note

AiT provides all RoHS products

Figure 1

Basic Application Circuit with A7566 Adjustable Version

REV1.1

- APR 2015 RELEASE, MAR 2018 UPDATED -

- 1 -

12 3 4 5 6 7...11

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