Datasheet > MP2224

MP2224

更新时间： 2024-11-04 01:16:07

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
19页	1103K
描述
High-Efficiency, 4A, 18V, 500kHz Synchronous Step-Down Converter

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MP2224 数据手册

MP2224

High-Efficiency, 4A, 18V, 500kHz

Synchronous Step-Down Converter

DESCRIPTION

FEATURES

The MP2224 is a high-efficiency, synchronous,

rectified, step-down, switch-mode converter

with built-in power MOSFETs. It offers a very

compact solution to achieve a 4A output current

with excellent load and line regulation over a

wide input supply range. The MP2224 has

synchronous mode operation for higher

efficiency over the output current load range.



Wide 4.5V to 18V Operating Input Range

Adjustable Output Voltage as low as 0.6V

Low 70mΩ/25mΩ R_DS(ON)of Internal Power

MOSFETs



High Efficiency up to 97%

Fixed 500kHz Switching Frequency

Synchronizes from a 200kHz to 2MHz

External Clock



2.4ms Internal Soft-Start Time

1% Reference Accuracy at Room

Temperature

Internal Power-Save Mode

OCP with Hiccup Mode

Current-mode operation provides fast transient

response and eases loop stabilization.

Full protection features include over-current

protection and thermal shutdown.



The MP2224 requires a minimal number of

Available in 8-pin TSOT23

readily

available,

standard,

external

APPLICATIONS

components and is available in a space-saving

8-pin TSOT23 package.



Flat-Panel Television and Monitors

Notebook Systems and I/O Power

Digital Set-Top Boxes

Distributed Power Systems

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

MPS green status, please visit the MPS website under Quality Assurance.

“MPS” and “The Future of Analog IC Technology” are registered trademarks of

Monolithic Power S ystems, Inc.

TYPICAL APPLICATION

VIN

BST

22μF

0.1μF

MP2224

VOUT

EN/SYNC

3.3V/4A

EN/SYNC

VCC

22μF×2

3.3μH

40.2K

0.1μF

AGND

GND

8.87K

MP2224 Rev. 1.0

12/18/2015

www.MonolithicPower.com

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

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