Datasheet > MP28266DL

MP28266DL

更新时间： 2024-01-29 07:14:29

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
14页	284K
描述
21V, 3A, 500kHz, Synchronous Step-Down Converter

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MP28266DL 数据手册

MP28266

21V, 3A, 500kHz, Synchronous

Step-Down Converter

The Future of Analog IC Technology

DESCRIPTION

FEATURES

The MP28266 is a synchronous, rectified, step-

down, switch-mode converter with built in

internal power MOSFETs. It offers a very

compact solution to achieve a 3A continuous

output current over a wide input supply range,

with excellent load and line regulation. The

MP28266 has synchronous mode operation for

higher efficiency over the output-current–load

range.



Wide 6V-to-21V Operating Input Range

0.6V Internal Reference with 2% Accuracy

3A Output Current

Low-R_ds(ON)Internal Power MOSFETs

Fixed 500kHz Switching Frequency

Frequency SYNC from a 300kHz-to-2MHz

External Clock

External Soft-Start

AAM Power-Save Mode

OCP and Thermal Shutdown

Available in a 3mm×4mm QFN14 Package.



Current-mode operation provides

fast

transient response and eases loop stabilization.

Full protection features include over-current

protection and thermal shutdown.

APPLICATIONS



DSL Modems

Cable Modems

Set Top Boxes

The MP28266 requires a minimal number of

readily-available standard external components,

and is available in a space-saving 3mm×4mm

14-pin QFN package.

All MPS parts are lead-free and adhere to the RoHS directive. For MPS green

status, please visit MPS website under Quality Assurance. “MPS” and “The

Future of Analog IC Technology” are Registered Trademarks of Monolithic

Power Systems, Inc.

TYPICAL APPLICATION

6V-21V

VIN

BST

C1B

0.1

0.1 F

C1A

22 F

2.8 H

1.2V/3A

2,3,4,5

VCC

VOUT

C2A

22 F

0.1 F

90.9k

10k

MP28266

AAM

1 F

24k

10k

SYNC

47nF

SYNC

MP28266 Rev. 1.0

3/16/2012

www.MonolithicPower.com

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

12 3 4 5 6 7...14

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