MP2259

更新时间： 2024-11-28 12:36:47

品牌	Logo	应用领域
芯源 - MPS		转换器
页数	文件大小	规格书
9页	325K
描述
1A, 16V, 1.4MHz Step-Down Converter

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MP2259 数据手册

MP2259

1A, 16V, 1.4MHz

Step-Down Converter

The Future of Analog IC Technology

FEATURES

DESCRIPTION

•

1A Output Current

The MP2259 is a monolithic integrated step-

down switch mode converter with an internal

power MOSFET. It achieves 1A continuous

output current over a wide input supply range

with excellent load and line regulation.

0.5Ω Internal Power MOSFET Switch

Stable with Low ESR Output Ceramic

Capacitors

•

Up to 92% Efficiency

0.1μA Shutdown Mode

Fixed 1.4MHz Frequency

Thermal Shutdown

Cycle-by-Cycle Over Current Protection

Wide 4.5V to 16V Operating Input Range

Output Adjustable from 0.81V to 14V

Available in TSOT23-6 and SOT23-6 Packages

Current mode operation provides fast transient

response and eases loop stabilization.

Fault condition protection includes cycle-by-cycle

current limiting and thermal shutdown.

The MP2259 requires a minimum number of

readily available standard external components.

The MP2259 is available in TSOT23-6 and

SOT23-6 packages.

APPLICATIONS

•

Hand Disk Drive

xDSL Modems Cable

Set-Top Box

For MPS green status, please visit MPS website under Quality Assurance

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

Monolithic Power Systems, Inc.

TYPICAL APPLICATION

Efficiency vs

Load Current

100

12V

BST

VOUT = 5V

10nF

OUT

3.3V @ 1A

MP2259

B230A

OUT = 3.3V

OFF ON

GND

VIN = 12V

100

LOAD CURRENT (mA)

1000

MP2259-EC01

MP2259 Rev. 0.92

9/15/2011

www.MonolithicPower.com

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

12 3 4 5 6 7...9

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