Datasheet > APE2902Y5R-32

APE2902Y5R-32

更新时间： 2024-11-24 12:29:23

品牌	Logo	应用领域
富鼎先进 - A-POWER		转换器
页数	文件大小	规格书
8页	350K
描述
MICROPOWER VFM STEP-UP DC/DC CONVERTER

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APE2902Y5R-32 数据手册

Advanced Power

Electronics Corp.

APE2902

MICROPOWER VFM STEP-UP DC/DC CONVERTER

FEATURES

DESCRIPTION

The APE2902 is a high efficiency VFM Step-up DC/DC

converter for small, low input voltage or battery powered

systems with ultra low quiescent supply current. The

APE2902 accept a positive input voltage from start-up

voltage to V_OUTand convert it to a higher output voltage in

the 2.5 to 5V range.

Very Low Supply Current is 22uA (typ.)

Maximum Shutdown Current <1uA

Output Voltage is Available form 2.5V to 5.0V

by 0.1V Steps

Output Voltage Accuracy ±5%

Output Current up to 100mA

Low Ripple and Low Noise

Very Low Start-up Voltage

High Efficiency (Vout = 5V TYP. 87%)

Few External Components

Internal Soft-Start

The APE2902 combine ultra low quiescent supply

current and high efficiency to give maximum battery life. The

high switching frequency and the internally limited peak

inductor current permits the use of small, low cost inductors.

Only three external components are needed an inductor a

diode and an output capacitor.

The APE2902 is suitable to be used in battery powered

equipment where low noise, low ripple and ultra low supply

current are required. Operating shutdown function is outside

controlling. If EN connects to GND, the IC was been shut

down and then the supply current is lower to 1uA.The

APE2902 is available in very small package: SOT-23-5L.

Typical applications are pagers, cameras & video

camera, cellular telephones, wireless telephones, palmtop

computer, battery backup supplies, battery powered

equipment.

Low Profile: SOT-23-5L Pb-Free

TYPICAL APPLICATION

B140

VOUT

VIN

47uH

100uF

GND

OUT

0.1uF

47uF

Enable Input

APE2902

ORDER/MARKING INFORMATION

APE2902XX-XX

WW : 01~26(A~Z)

t&XYW

Package Type

Vout

27~52(A~Z)

Year : 8 = 2008

A = 2010

22 : 2.2V

25 : 2.5V

Y5 : SOT-23-5L

Y5R : SOT-23-5L

26 : 2.6V

27 : 2.7V

Identification Code

Identification Code see page8.

50 : 5.0V

Data and specifications subject to change without notice

200907313

12 3 4 5 6 7 8

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