Datasheet > MP2459

MP2459

更新时间： 2024-09-26 01:18:59

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
13页	886K
描述
0.5A, 55V, 480kHz Step-Down Converter in a TSOT23-6

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MP2459 数据手册

MP2459

0.5A, 55V, 480kHz

StepꢀDown Converter in a TSOT23ꢀ6

DESCRIPTION

FEATURES

The MP2459 is a monolithic, stepꢀdown, switchꢀ

mode converter with a builtꢀin power MOSFET.

It achieves a 0.5A peakꢀoutput current over a

wide input supply range with excellent load and

•

0.5A Peak Output Current

1ꢁ Internal Power MOSFET

Stable with LowꢀESR Ceramic Output

Capacitors

Up to 90% Efficiency

0.1ꢂA Shutdown Mode

Fixed 480kHz Frequency

Thermal Shutdown

CycleꢀbyꢀCycle OverꢀCurrent Protection

Wide 4.5Vꢀtoꢀ55V Operating Input Range

Output Adjustable from 0.81V to 0.95*V_IN

Available in a TSOT23ꢀ6 Package

line

regulation.

Currentꢀmode

operation

•

provides a fast transient response and eases

loop stabilization. Fault condition protections

include cycleꢀbyꢀcycle current limiting and thermal

shutdown.

The MP2459 requires a minimal number of

readilyꢀavailable external components. The

MP2459 is available in a TSOT23ꢀ6 package.

APPLICATIONS

•

Power Meters

Distributed Power Systems

Battery Chargers

PreꢀRegulator for Linear Regulators

WLED Drivers

All MPS parts are leadꢀfree and adhere to the RoHS directive. For MPS green

status, please visit MPS website under Products, Quality Assurance page.

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

Monolithic Power Systems, Inc.

TYPICAL APPLICATION

100

BST

VIN

MP2459

GND

VOU T

GND

0.0 0.1 0.2 0.3 0.4 0.5 0.6

MP2459 Rev. 1.0

3/4/2013

www.MonolithicPower.com

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

12 3 4 5 6 7...13

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