Datasheet > MP1476

MP1476

更新时间： 2024-04-09 19:03:29

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
19页	1015K
描述
18V、2A、800kHz 高效率同步降压变换器，采用 SOT563 封装

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MP1476 数据手册

MP1476

18V, 2A, 800kHz, High-Efficiency,

Synchronous, Step-Down Converter

in SOT563 Package

DESCRIPTION

FEATURES

The MP1476 is a fully integrated, high-

frequency, synchronous, rectified, step-down,

switch-mode converter with internal power

MOSFETs. The MP1476 offers a very compact

solution that achieves 2A of continuous output

current with excellent load and line regulation

over a wide input range. The MP1476 uses

synchronous mode operation for higher

efficiency over the output current-load range.



Wide 4.2V to 18V Operating Input Range

126mΩ/58mΩ Low R_DS(ON)Internal Power

MOSFETs

190μA Low I_Q

High-Efficiency Synchronous Mode

Operation

Power-Save Mode (PSM) at Light Load

Fast Load Transient Response

800kHz Switching Frequency

Internal Soft Start (SS)

Over-Current Protection (OCP) and Hiccup

Thermal Shutdown



Constant-on-time (COT) control operation

provides very fast transient response, easy loop

design, and very tight output regulation.

Output Adjustable from 0.8V

Available in a SOT563 Package

Full protection features include short-circuit

protection (SCP), over-current protection (OCP),

under-voltage protection (UVP), and thermal

shutdown.

APPLICATIONS



Security Cameras

The MP1476 requires a minimal number of

Digital Set-Top Boxes

Flat-Panel Televisions and Monitors

General Purposes

readily

available,

standard,

external

components and is available in a space-saving

SOT563 package.

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 Systems, Inc.

TYPICAL APPLICATION

10Ω

1μF

12V

VIN

4.7μH

3.3V/2A

VOUT

BST

VIN

40.2kΩ

22μF

47kΩ

MP1476

13kΩ

GND

MP1476 Rev. 1.0

9/11/2017

www.MonolithicPower.com

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

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