MP2351

更新时间： 2024-11-28 03:48:43

品牌	Logo	应用领域
芯源 - MPS		转换器
页数	文件大小	规格书
3页	201K
描述
4.75V to 23V Input, 1.5A Output Step-Down DC/DC Converter

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数据手册

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MP2351 数据手册

EV2351DQ-00A

4.75V to 23V Input, 1.5A Output

Step-Down DC/DC Converter

The Future of Analog IC Technology

EVALUATION BOARD - INITIAL RELEASE

GENERAL DESCRIPTION

FEATURES

The EV2351DQ-00A is the Evaluation Board for

MPS’ MP2351 Step-Down DC/DC Converter. It

features a wide supply range of 4.75V to 23V

and a continuous output current up to 1.5A. The

output voltage is set to 3.3V, but can be easily

adjusted to other levels from 1.22V. A 1.4MHz

high switching frequency allows the use of

small, low cost capacitors and inductors.

Current mode control and an integrated power

MOSFET minimize component count, board area,

and solution cost. Fault condition protection

includes cycle-by-cycle current limiting, thermal

shutdown, and under-voltage lockout. Internal

soft-start reduces the turn-on stress. The small

10-pin QFN package minimizes board area.

•

Up to 1.5A Output Current

Wide 4.75 to 23V Operating Input Range

Monolithic Buck with 180mΩ Internal FET

Fixed 1.4MHz Frequency

All Ceramic Input and Output Capacitors

Programmable Input Under-Voltage Lockout

APPLICATIONS

•

Distributed Power Systems

Battery Chargers

DSL Modems

Pre-Regulators for Linear Regulators

“MPS” and “The Future of Analog IC Technology”, are Registered Trademarks

of Monolithic Power Systems, Inc.

ELECTRICAL SPECIFICATIONS

Parameter

Symbol

Value Units

Supply Voltage

Output Voltage

Output Current

V_IN

4.75 – 23

V_OUT

I_OUT

0 – 1.5

EV2351DQ-00A EVALUATION BOARD

Efficiency vs

Load Current

100

=5V

OUT

=2.5V

OUT

=3.3V

OUT

Dimensions (2.1”X x 1.3”Y x 0.4”Z)

300 600 900 1200 1500

LOAD CURRENT (mA)

Board Number

MPS IC Number

MP2351-EC01

EV2351DQ-00A

MP2351

EV2351DQ-00A Rev. 1.1

3/29/2005

www.MonolithicPower.com

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

12 3

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