MP2365

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
11页	387K
描述
3A, 28V, 1.4MHz Step-Down Converter

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MP2365 数据手册

MP2365

3A, 28V, 1.4MHz

Step-Down Converter

The Future of Analog IC Technology

DESCRIPTION

FEATURES

The MP2365 is a 1.4MHz 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 90% Efficiency

20µA Shutdown Mode

Fixed 1.4MHz 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 4.75V to 28V Operating Input Range

Output is Adjustable From 0.92V to 21V

Under Voltage Lockout

The MP2365 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

EVALUATION BOARD REFERENCE

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

Monolithic Power Systems, Inc.

Board Number

Dimensions

EV2365DN-00A

2.0” x 1.9” x 0.4”

TYPICAL APPLICATION

Efficiency Curve

INPUT

4.75V to 28V

100

10nF

=5V

OUT

OUTPUT

3.3V

OPEN =

AUTOMATIC

MP2365

STARTUP

GND

=3.3V

OUT

COMP

B330A

5.6nF

OPEN

=12V

0.5 1.0 1.5 2.0 2.5 3.0

LOAD CURRENT (A)

MP2365 Rev. 0.91

7/10/2006

www.MonolithicPower.com

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

12 3 4 5 6 7...11

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