MP1584

更新时间： 2024-11-01 07:08:07

品牌	Logo	应用领域
芯源 - MPS		开关
页数	文件大小	规格书
16页	521K
描述
3A1.5M28V开关稳压集成块

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MP1584 数据手册

MP1584

3A, 1.5MHz, 28V

Step-Down Converter

The Future of Analog IC Technology

MPS CONFIDENTIAL AND PROPRIETARY INFORMATION – INTERNAL USE ONLY

DESCRIPTION

FEATURES

The MP1584 is a high frequency step-down

switching regulator with an integrated internal

high-side high voltage power MOSFET. It

provides 3A output with current mode control for

fast loop response and easy compensation.

•

Wide 4.5V to 28V Operating Input Range

Up to 1.5MHz Programmable Switching

Frequency

High-Efficiency Pulse Skipping Mode for

Light Load

•

Ceramic Capacitor Stable

Internal Soft-Start

Internally Set Current Limit without a

Current Sensing Resistor

Available in SOIC8E Package.

The wide 4.5V to 28V input range accommodates

a variety of step-down applications, including

those in an automotive input environment. A

100µA operational quiescent current allows use in

battery-powered applications.

•

High power conversion efficiency over a wide

load range is achieved by scaling down the

switching frequency at light load condition to

reduce the switching and gate driving losses.

APPLICATIONS

•

High Voltage Power Conversion

Automotive Systems

Industrial Power Systems

Distributed Power Systems

Battery Powered Systems

The frequency foldback helps prevent inductor

current runaway during startup and thermal

shutdown provides reliable, fault tolerant

operation.

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

Monolithic Power Systems, Inc.

By switching at 1.5MHz, the MP1584 is able to

prevent EMI (Electromagnetic Interference) noise

problems, such as those found in AM radio and

ADSL applications.

The MP1584 is available in a thermally enhanced

SOIC8E package.

TYPICAL APPLICATION

Efficiency Curve

(f =500kHz)

100nF

V_IN=12V

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

8,9

1,2

BST

OUT

VIN

3.3V

V_IN=24V

MP1584

COMP

FREQ

GND

0.01

0.1

OUTPUT CURRENT (A)

MP1584 Rev. 1.0

4/7/2009

www.MonolithicPower.com

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

12 3 4 5 6 7...16

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与MP1584相关器件

型号	品牌	获取价格	描述	数据表
MP1584EN	MPS	获取价格	3A, 1.5MHz, 28V Step-Down Converter
MP1584EN-LF	MPS	获取价格	Switching Regulator, Current-mode, 1500kHz Switching Freq-Max, PDSO8, ROHS COMPLIANT, MS-0
MP1584EN-LF-Z	MPS	获取价格	Switching Regulator, Current-mode, 1500kHz Switching Freq-Max, PDSO8, ROHS COMPLIANT, MS-0
MP1586	MPS	获取价格	3A, 28V, 50kHz to 400kHz Step-Down Converter
MP1586EN	MPS	获取价格	3A, 28V, 50kHz to 400kHz Step-Down Converter
MP1586EN-LF	MPS	获取价格	Switching Regulator, Current-mode, 300kHz Switching Freq-Max, PDSO8, ROHS COMPLIANT, MO-01
MP1586EN-LF-Z	MPS	获取价格	Switching Regulator, Current-mode, 300kHz Switching Freq-Max, PDSO8, ROHS COMPLIANT, MO-01
MP1586EN-Z	MPS	获取价格	Switching Regulator, Current-mode, 300kHz Switching Freq-Max, PDSO8, ROHS COMPLIANT, MO-01
MP158-BP	MCC	获取价格	Bridge Rectifier Diode, 1 Phase, 15A, 800V V(RRM), Silicon, ROHS COMPLIANT, PLASTIC, MP-50
MP158-BP-HF	MCC	获取价格	Bridge Rectifier Diode

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