Datasheet > AT1528/9

AT1528/9

更新时间： 2024-04-09 19:02:05

品牌	Logo	应用领域
致新 - GMT		/
页数	文件大小	规格书
2页	172K
描述
VCC, REF, GND, FB, EN, PGND, LX, VIN, VIN OVP(VCC> 6.3V)

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AT1528/9 数据手册

Global Mixed-mode Technology

AT1528

1MHz, All-Ceramic, 2A PWM Buck DC/DC Converter

General Description

Features

The AT1528 high-efficiency, DC/DC buck converter

delivers up to 2A of output current. The device oper-

ates from an input voltage of 2.5V to 6V and provides

an output voltage from 0.8V to V_IN, making the AT1528

ideal for on-board post-regulation applications.

Ceramic Input and Output Capacitors

Efficiency Up to 94%

Guaranteed 2A Output Current

Operate from 2.5V to 6V Supply

Adjustable Output from 0.8V to V_IN

Internal Soft-Start

Short-Circuit and Thermal-Overload Protection

Input Over Voltage Protection

RoHS Compliant

The AT1528 operate at a fixed frequency of 1MHz with

an efficiency of up to 94%. The high operating fre-

quency minimizes the size of external components.

Internal soft-start control circuitry reduces inrush cur-

rent. Short-circuit and thermal-overload protections

improve design reliability.

The AT1528 are available in a space-saving 8-pin

SOP and MSOP package.

Applications

ASIC/DSP/µP/FPGA Core and I/O Voltages

Set-Top Boxes

Cellular Base Stations

Networking and Telecommunications

Ordering Information

ORDER

NUMBER

AT1528P11U

AT1528P81U

TEMP.

RANGE

-40°C to +85°C

PACKAGE

(Green)

SOP-8

MARKING

A1528

MSOP-8

Note: P1:SOP-8 P8: MSOP-8

1: Bonding Code

U: Tape & Reel

Pin Configuration

Typical Application Circuit

AT1528

Output

0.8V to V_IN, Up to 2A

Input

2.5V to 6V

2.2µH

AT1528

VIN

C_FB* (option)

VCC

REF

GND

VIN

10Ω

VCC

22µF

10µF

0.1µF

PGND

REF

OFF

PGND

GND

0.1µF

SOP-8/MSOP-8

V_OUT= 0.8V × (1+

)

TEL: 886-3-5788833

http://www.gmt.com.tw

Ver: 1.1

Dec 05, 2012

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