Datasheet > MP2452

MP2452

更新时间： 2024-11-11 17:01:59

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
16页	946K
描述
1A, 36V, 1MHz 降压变换器，采用QFN封装

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MP2452 数据手册

MP2452

1A, 36V, 1MHz

Step-Down Converter

The Future of Analog IC Technology

FEATURES

DESCRIPTION

•

1A Continuous Load Current

The MP2452 is a high frequency (1MHz) step-

down switching regulator with integrated

internal high-side high voltage power MOSFET.

It provides up to 1A highly efficient output

current with current mode control for fast loop

response.

130 µA Operating Quiescent Current

Wide 3.3V to 36V Operating Input Range

500 mΩ Internal Power MOSFET

1MHz fixed Switching Frequency

Internally compensated

Stable with Ceramic Output Capacitors

Internal Soft-Start

> 90% Efficiency

+0.794V FB Reference Voltage

Output Adjustable from +0.794V to 33V

3µA Low Shutdown Supply Current

2mm x 3mm QFN8 Package

The wide 3.3V to 36V input range accommodates

a variety of step-down applications in automotive

input environment. A 3µA shutdown mode

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

Frequency fold-back helps prevent inductor current

runaway during start-up. Thermal shutdown

provides reliable, fault-tolerant operation.

The MP2452 is available in the 2mm x 3mm QFN8

package.

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

Monolithic Power Systems, Inc..

TYPICAL APPLICATION

Efficiency

OUT=5V

100

=12V

=8V

100nF

V_OUT

5V/1A

6.8uH

BST

MP2452

V_IN

GND

VIN

=36V

Control

10pF

=24V

100

OUTPUT CURRENT(mA)

1000

MP2452 Rev. 1.0

9/27/2010

www.MonolithicPower.com

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

12 3 4 5 6 7...16

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