AP1534S

更新时间： 2024-10-28 04:32:39

品牌	Logo	应用领域
美台 - DIODES		转换器
页数	文件大小	规格书
8页	166K
描述
PWM CONTROL 2A STEP-DOWN CONVERTER

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中文翻译

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AP1534S 数据手册

AP1534

PWM CONTROL 2A STEP-DOWN CONVERTER

General Description

Features

AP1534 consists of step-down switching regulator with PWM

control. These devices include a reference voltage source,

oscillation circuit, error amplifier, internal PMOS.

•

Input voltage: 4.4V to 18V

Output voltage: 0.8V to V_CC

Duty ratio: 0% to 99% PWM control

Oscillation frequency: 300KHz typ.

Current limit, Enable function

AP1534 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 99%. 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 50KHz. Also, an internal

compensation block is built in to minimize external component

count.

Thermal Shutdown function

Built-in internal SW P-channel MOS

SOP-8L: Available in “Green” Molding Compound

(no Br, Sb)

•

Lead Free Finish/RoHS Compliant (Note 1)

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-packages, 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

Ordering Information

X X X

A P 1 5 3 4

Package

S : SOP-8L

Lead Free

G : Green

Packing

-U : Tube

-13 : Tape & Reel

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

Suffix

Quantity

Code

(Note 2)

Suffix

AP1534S

100

-U

2500/Tape & Reel

-13

SOP-8L

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.

AP1534 Rev. 2

1 of 8

DECEMBER 2007

www.diodes.com

12 3 4 5 6 7 8

中文翻译

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与AP1534S相关器件

型号	品牌	获取价格	描述	数据表
AP1534SG-13	DIODES	获取价格	PWM CONTROL 2A STEP-DOWN CONVERTER
AP1534SG-U	DIODES	获取价格	PWM CONTROL 2A STEP-DOWN CONVERTER
AP1537	ANACHIP	获取价格	PWM Control 3A Step-Down Converter
AP1537S	ANACHIP	获取价格	PWM Control 3A Step-Down Converter
AP1537SA	ANACHIP	获取价格	PWM Control 3A Step-Down Converter
AP1538	DIODES	获取价格	18V 3A 300KHz BUCK CONVERTER
AP1538_09	DIODES	获取价格	18V 3A 300KHz BUCK CONVERTER
AP1538SDPG-13	DIODES	获取价格	18V 3A 300KHz BUCK CONVERTER
AP1538SDPG-U	DIODES	获取价格	18V 3A 300KHz BUCK CONVERTER
AP1538SG-13	DIODES	获取价格	18V 3A 300KHz BUCK CONVERTER

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