Datasheet > AP1580SA

AP1580SA

更新时间： 2024-02-25 16:48:34

品牌	Logo	应用领域
ICT		光电二极管
页数	文件大小	规格书
8页	283K
描述
Switching Regulator, 4A, 360kHz Switching Freq-Max, PDSO8, LEAD FREE, SOP-8

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技术参数
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AP1580SA 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	SOP, SOP8,.25	Reach Compliance Code：	unknown
风险等级：	5.75	控制模式：	VOLTAGE-MODE
JESD-30 代码：	R-PDSO-G8	端子数量：	8
最高工作温度：	125 °C	最低工作温度：	-20 °C
最大输出电流：	3 A	封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装等效代码：	SOP8,.25
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
认证状态：	Not Qualified	子类别：	Switching Regulator or Controllers
表面贴装：	YES	最大切换频率：	360 kHz
温度等级：	OTHER	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
Base Number Matches：	1

AP1580SA 数据手册

AP1580

PWM Control 3A Step-Down Converter

Features

General Description

- Input voltage: 6V to 30V

AP1580 consists of step-down switching regulator

with PWM control. These devices include a reference

voltage source, oscillation circuit, error amplifier,

internal NMOS and etc.

- Output voltage: 0.8V to 0.9V_CC

- Duty ratio: 0% to 90% PWM control

- Oscillation frequency: 300KHz typ

- Soft-start, Current limit, Enable function

- Thermal Shutdown function

AP1580 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 90%. This converter also contains an

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

prevent s 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 75KHz. Also, an internal

compensation block is built in to minimum external

component count.

- Built-in internal SW N-channel MOS

- SOP-8L Pb-Free Package.

Applications

-Microprocessor core supply

-Networking power supply

-LCD MNT, TV power supply

-Telecom power supply

With the addition of an internal N-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 of up to

30V, it is also ideal when operating via an AC

adapter.

Pin Assignments

Pin Descriptions

Pin Name Pin #

Description

(Top View )

H: Normal operation

Vboost

Output

GND

Vcc

L: Step-down operation stopped

Feedback pin

AP1580

SOP-8L

Vboost

Output

Vcc

High-side gate driver boost pin

Switch output pin

Vcc

5、6

7、8

Signal Vcc

GND pin

GND

Ordering Information

AP 1580 X X

Packing

Package

S: SOP-8L

Blank : Tube

A : Taping

This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of

this product. No rights under any patent accompany the sale of the product.

Rev. 1.1 Oct 19, 2005

1/8

12 3 4 5 6 7 8

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