Datasheet > A7523E6R-ADJ

A7523E6R-ADJ

更新时间： 2024-11-24 01:15:03

品牌	Logo	应用领域
创瑞 - AITSEMI		DC-DC转换器开关
页数	文件大小	规格书
10页	394K
描述
DC-DC CONVERTER BOOST STEP-UP SWITCHING REGULATOR

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A7523E6R-ADJ 数据手册

A7523

DC-DC CONVERTERBOOST(STEP-UP)

SUPER-SMALL PACKAGE PWM CONTROL

STEP-UP SWITCHING REGULATOR

AiT Semiconductor Inc.

www.ait-ic.com

DESCRIPTION

FEATURES

The A7523 is a compact, high efficiency, and low

voltage step-up DC/DC converter with an

Adaptive Current Mode PWM control loop,

includes an error amplifier, ramp generator,

comparator, switch pass element and driver in

which providing a stable and high efficient

operation over a wide range of load currents. It

operates in stable waveforms without external

compensation.



0.8V（Iout=1mA） Low Start-up Input Voltage

500kHz Fixed Switching Frequency

90% Efficiency

High Supply Capability to Deliver 3.3V 300mA

with1 Alkaline Cell or Deliver 5V 800mA with 1

Li-ion Cell



14μA Quiescent (Switch-off) Supply Current

0.01μA Shutdown Mode Supply Current

Providing Flexibility for Using Internal and

External Power Switches

The low start-up input voltage below 1V makes

A7523 suitable for 1 to 4 battery cells applications

of providing up to 600mA output current. Besides,

the 14μA low quiescent current together with high

efficiency maintains long battery lifetime. The

output voltage is set with two external resistors.

Both internal 2A switch and driver for driving

external power devices (NMOS or NPN) are

provided.



Output voltage: Settable to between 2.0V to

6.0V ,accuracy of 2%

Available in SOT-26 package.

APPLICATION



MP3

PDA

The A7523 is available in SOT-26 package.

DSC

LCD Panel

RF-Tags

ORDERING INFORMATION

Portable Instrument

Wireless Equipment

Package Type

SOT-26

Part Number

A7523E6R-ADJ

A7523E6VR- ADJ

V: Halogen free Package

R: Tape & Reel

Note

AiT provides all RoHS products

Suffix “ V “ means Halogen free Package

REV1.1

- DEC 2011 RELEASED, FEB 2015 UPDATED -

- 1 -

12 3 4 5 6 7...10

中文翻译

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