Datasheet > APE1912

APE1912

更新时间： 2024-11-07 12:52:59

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
7页	83K
描述
STEP-UP PWM DC/DC CONVERTER

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中文翻译

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数据手册

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APE1912 数据手册

Advanced Power

Electronics Corp.

APE1912

STEP-UP PWM DC/DC CONVERTER

FEATURES

DESCRIPTION

Input Voltage：3V to 13V

The APE1912 is high efficient step-up DC/DC

converter. Large output current is possible having a built in

internal N channel MOSFET, and using an external coil and

diode.

The APE1912 can be operated at switching

frequencies of 500 kHz allowing for easy filtering and low

noise, the size of the external components can be reduced.

Output voltage is programmable with 1.0V of standard

voltage supply internal, and using externally connected

components, output voltage (FB) can be set up at will. The

soft-start time can be programmed by outside capacitor; the

function prevents overshoot at startup. Build inside Current

limit, Thermal Shutdown and enable functions.

Output Voltage：3.3V to 20V

Duty Ratio：0% to 85% PWM Control

Oscillation Frequency：500KHz.

Enable and Thermal Shutdown Function.

Internal Current Limit.

Built-in N-channel MOSFET

ESOP-8 & Pb-Free Package.

Halogen Free Product

TYPICAL APPLICATION

2.2uH

Vout= 5 V

B540A

VCC= 3.0 ~ 4.5V

100K

SGND

Vcc

220uF

12K

22uF

PGND

APE1912

0.47 uF

10uF

0.1uF

0. 47uF

470R

0. 1uF

V_OUT< 8V, V_OUT= V_FBx (1+R4/R3) , V_FB= 1.0V, R3 = 1K

20mΩ < Cout ESR < 80mΩ

Data and specifications subject to change without notice

20130222V1.1

12 3 4 5 6 7

中文翻译

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