Datasheet > MP1593_06

MP1593_06

更新时间： 2024-11-02 04:14:51

品牌	Logo	应用领域
芯源 - MPS		转换器
页数	文件大小	规格书
11页	316K
描述
3A, 28V, 385KHz Step-Down Converter

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MP1593_06 数据手册

MP1593

3A, 28V, 385KHz

Step-Down Converter

The Future of Analog IC Technology

DESCRIPTION

FEATURES

The MP1593 is a step-down regulator with an

internal Power MOSFET. It achieves 3A of

continuous output current over a wide input

supply range with excellent load and line

regulation.

•

3A Output Current

Programmable Soft-Start

100mΩ Internal Power MOSFET Switch

Stable with Low ESR Output Ceramic

Capacitors

•

Up to 95% Efficiency

20µA Shutdown Mode

Fixed 385KHz Frequency

Thermal Shutdown

Cycle-by-Cycle Over Current Protection

Wide 4.75V to 28V Operating Input Range

Output Adjustable from 1.22V

Under-Voltage Lockout

Current mode operation provides fast transient

response and eases loop stabilization.

Fault condition protection includes cycle-by-cycle

current limiting and thermal shutdown. An

adjustable soft-start reduces the stress on the

input source at startup. In shutdown mode the

regulator draws 20µA of supply current.

The MP1593 requires a minimum number of

Available in 8-Pin SOIC Package

readily

available

external

components,

providing a compact solution.

APPLICATIONS

•

Distributed Power Systems

Battery Chargers

Pre-Regulator for Linear Regulators

Flat Panel TVs

Set-Top Boxes

Cigarette Lighter Powered Devices

DVD/PVR Devices

EVALUATION BOARD REFERENCE

Board Number

Dimensions

EV1593DN-00A

2.1”X x 1.3”Y x 0.4”Z

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

Power Systems, Inc.

TYPICAL APPLICATION

Efficiency vs

Load Current

10nF

INPUT

100

4.75V to 28V

= 9V

OUTPUT

3.3V

OFF ON

= 24V

MP1593

GND

COMP

= 12V

B340A

8.2nF

(optional)

0.5 1.0 1.5 2.0 2.5 3.0 3.5

LOAD CURRENT (A)

MP1593 Rev. 1.9

9/14/2006

www.MonolithicPower.com

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

12 3 4 5 6 7...11

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