Datasheet > MP4558

MP4558

更新时间： 2024-10-01 12:18:15

品牌	Logo	应用领域
芯源 - MPS		转换器
页数	文件大小	规格书
20页	1098K
描述
1A, 2MHz, 55V Step-Down Converter

阅读下载

中文翻译

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

MP4558 数据手册

MP4558

1A, 2MHz, 55V

Step-Down Converter

DESCRIPTION

FEATURES

The MP4558 is a high-frequency, step-down

switching regulator with an integrated internal

high-side high-voltage power MOSFET. It

provides up to a 1A output with current-mode

control for fast loop response and easy

compensation.



Wide 3.8V-to-55V Operating Input Range

250mΩ Internal Power MOSFET

Up to 2MHz Programmable Switching

Frequency

140μA Quiescent Current

Stable with Ceramic Capacitors

Internal Soft-Start



The wide 3.8V-to-55V input range accommodates

a variety of step-down applications, including

automotive input. A 12µA shutdown-mode supply

current makes it suitable for battery-powered

applications.

Up to 95% Efficiency

Output Adjustable from 0.8V to 52V

Available in SOIC8E and 3mm x 3mm

QFN10 Packages

A scaled-down switching frequency in light-load

conditions provides high power-conversion

efficiency over a wide load range while reducing

switching and gate driver losses.

APPLICATIONS



High-Voltage Power Conversion

Automotive Systems

Industrial Power Systems

Distributed Power Systems

Battery Powered Systems

The frequency fold-back prevents inductor current

runaway during startup and thermal shutdown

provides reliable, fault-tolerant operation.

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

status, please visit the MPS website under Products, Quality Assurance

page.

By switching at 2MHz, the MP4558 can prevent

EMI

(electromagnetic

interference)

noise

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

problems, such as those found in AM radio and

ADSL applications.

Monolithic Power Systems, Inc.

The MP4558 is available in an SOIC8E and a 10-

pin 3mm x 3mm QFN package.

TYPICAL APPLICATION

MP4558 Rev. 1.01

10/28/2013

www.MonolithicPower.com

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

12 3 4 5 6 7...20

中文翻译

下载PDF

与MP4558相关器件

型号	品牌	获取价格	描述	数据表
MP4558DN	MPS	获取价格	1A, 2MHz, 55V Step-Down Converter
MP4558DQ	MPS	获取价格	1A, 2MHz, 55V Step-Down Converter
MP4559	MPS	获取价格	1.5A, 2MHz, 55V Step-Down Converter
MP4559DN	MPS	获取价格	1.5A, 2MHz, 55V Step-Down Converter
MP4559DQ	MPS	获取价格	1.5A, 2MHz, 55V Step-Down Converter
MP4560	MPS	获取价格	2A, 2MHz, 55V Step-Down Converter
MP4560DN	MPS	获取价格	2A, 2MHz, 55V Step-Down Converter
MP4560DN-LF	MPS	获取价格	Switching Regulator, Current-mode, 4.7A, 1300kHz Switching Freq-Max, PDSO8, ROHS COMPLIANT
MP4560DN-LF-Z	MPS	获取价格	Switching Regulator, Current-mode, 4.7A, 1300kHz Switching Freq-Max, PDSO8, ROHS COMPLIANT
MP4560DN-Z	MPS	获取价格	暂无描述