AP1530

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
美台 - DIODES		转换器
页数	文件大小	规格书
8页	226K
描述
PWM CONTROL 3A STEP-DOWN CONVERTER

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AP1530 数据手册

AP1530

PWM CONTROL 3A STEP-DOWN CONVERTER

General Description

Features

AP1530 consists of step-down switching regulator with PWM control.

These devices include a reference voltage source, oscillation circuit,

error amplifier, internal PMOS.

•

Input voltage: 3.6V to 18V

Output voltage: 0.8V to V_CC

Duty ratio: 0% to 100% PWM control

Oscillation frequency: 300KHz typ.

Soft-start, Current Limit, Enable function

Thermal Shutdown function

Built-in internal SW P-channel MOS

SOP-8L Pb-Free Package

Lead Free Finish/RoHS Compliant (Note 1)

AP1530 provides low-ripple power, high efficiency, and excellent

transient characteristics. The PWM control circuit is able to vary the

duty ratio linearly from 0 up to 100%. This converter also contains

an error amplifier circuit as well as a soft-start circuit that prevents

overshoot at startup. An enable function, an over current protect

function and a short circuit protect function are built inside, and

when OCP or SCP happens, the operation frequency will be

reduced from 300KHz to 30KHz. Also, an internal compensation

block is built in to minimum external component count.

With the addition of an internal P-channel Power MOS, a coil,

capacitors, and a diode connected externally, these ICs can function

as step-down switching regulators. They serve as ideal power

supply units for portable devices when coupled with the SOP–8L

mini-package, providing such outstanding features as low current

consumption. Since this converter can accommodate an input

voltage up to 18V, it is also suitable for the operation via an AC

adapter.

Applications

•

PC Motherboard

LCD Monitor

Graphic Card

DVD-Video Player

Telecom Equipment

ADSL Modem

Printer and other Peripheral Equipment

Microprocessor core supply

Networking power supply

Ordering Information

A P 1 5 3 0

X X X

Package

S : SOP-8L

Lead Free

L : Lead Free

Packing

-U : Tube

: Taping

-13

Note:

1. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7.

Tube

Part Number

13” Tape and Reel

Package Packaging

Device

Part Number

Code

(Note 2)

Quantity

Suffix

AP1530S

SOP-8L

100

-U

2500/Tape & Reel

-13

Lead-free

Note:

2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at

http://www.diodes.com/datasheets/ap02001.pdf.

AP1530 Rev. 1

1 of 8

MARCH 2007

www.diodes.com

12 3 4 5 6 7 8

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