Datasheet > MP2372

MP2372

更新时间： 2024-11-30 01:18:59

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
13页	425K
描述
3A, 28V, 925KHz Step-Down Converter

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MP2372 数据手册

MP2372

3A, 28V, 925KHz

Step-Down Converter

The Future of Analog IC Technology

DESCRIPTION

FEATURES

The MP2372 is a 925KHz step-down regulator

with a built-in power MOSFET. It achieves 3A

continuous output current over a wide input

supply range with excellent load and line

regulation.

•

3A Continuous Output Current, 4A Peak

Output Current

Programmable Soft-Start

100mΩ Internal Power MOSFET Switch

Stable with Low ESR Output Ceramic

Capacitors

Up to 91% Efficiency

20μA Shutdown Mode

Fixed 925KHz Frequency

Thermal Shutdown

•

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.

Cycle-by-Cycle Over Current Protection

Wide 4.5V to 28V Operating Input Range

Output is Adjustable From 0.92V to 21V

Under Voltage Lockout

The MP2372 is available in an 8-pin SOIC

package with an exposed pad, and requires 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

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

Monolithic Power Systems, Inc.

TYPICAL APPLICATION

10nF

Efficiency Curve

INPUT

100

=5V

OUT

OPEN =

AUTOMATIC

STARTUP

OUTPUT

3.3V

MP2372

=3.3V

OUT

COMP

CERAMIC

50v

CERAMIC

OPEN

=12V

6.3V

0.5 1.0 1.5 2.0 2.5 3.0

LOAD CURRENT (A)

MP2372 Rev. 0.92

12/22/2009

www.MonolithicPower.com

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

12 3 4 5 6 7...13

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