Datasheet > MP2355_06

MP2355_06

更新时间： 2024-11-04 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
10页	252K
描述
3A, 23V, 380KHz Step-Down Converter

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MP2355_06 数据手册

MP2355

3A, 23V, 380KHz

Step-Down Converter

The Future of Analog IC Technology

DESCRIPTION

FEATURES

The MP2355 is a step-down regulator with a

built in internal Power MOSFET. It achieves 3A

continuous output current over a wide input

supply range with excellent load and line

regulation.

•

Programmable Soft-Start

100mΩ Internal Power MOSFET Switch

Stable with Low ESR Output Ceramic

Capacitors

Up to 95% Efficiency

20µA Shutdown Mode

•

Current mode operation provides fast transient

response and eases loop stabilization. Fault

condition protection includes cycle-by-cycle

current limiting and thermal shutdown. Adjustable

soft-start reduces the stress on the input source

at turn-on. In shutdown mode the regulator draws

20µA of supply current.

3A Output Current

Wide 4.75V to 23V Operating Input Range

Fixed 380KHz Frequency

Thermal Shutdown

Cycle-by-Cycle Over Current Protection

Under Voltage Lockout

The MP2355 uses a minimum number of

readily available external components to

complete a 3A step-down DC to DC converter

solution.

APPLICATIONS

•

Distributed Power Systems

Battery Chargers

Pre-Regulator for Linear Regulators

EVALUATION BOARD REFERENCE

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

Power Systems, Inc.

Board Number

Dimensions

EV2355DN-00A

2.0”X x 1.3”Y x 0.5”Z

TYPICAL APPLICATION

Efficiency vs

Load Current

INPUT

4.75V to 23V

10nF

=5.0V

=2.5V

OUT

VIN

BST

OPEN

OUTPUT

3.3V / 3A

RUN

AUTOMATIC

STARTUP

B330A

MP2355

=3.3V

OUT

GND

COMP

4.7nF

10nF

500 1000 1500 2000 2500 3000 3500

LOAD CURRENT (mA)

MP2355_TAC_S01

MP2355_EC01

MP2355 Rev. 1.5

5/1/2006

www.MonolithicPower.com

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

12 3 4 5 6 7...10

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