Datasheet > MP28114DG-1.5-Z

MP28114DG-1.5-Z

更新时间： 2024-02-19 08:00:17

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
11页	498K
描述
Switching Regulator/Controller,

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MP28114DG-1.5-Z 技术参数

是否Rohs认证：	符合	生命周期：	Active
Reach Compliance Code：	unknown	Base Number Matches：	1

MP28114DG-1.5-Z 数据手册

MP28114

Ultra-small

1.7MHz, 600mA, Low-Voltage

Synchronous Step-Down Converter

The Future of Analog IC Technology

DESCRIPTION

FEATURES

The MP28114 is a 1.7MHz constant frequency,

current mode, ultra-small PWM step-down

converter. The device integrates a main switch

and a synchronous rectifier for high efficiency

and eliminates the needs for an external

schottky diode. It is ideal for powering portable

equipment that runs from a single cell Lithium-

Ion (Li+) battery. The MP28114 can supply

600mA of load current from a 2.5V to 6V input

voltage. The output voltage for the MP28114DG

can be regulated as low as 0.6V, while the

output voltages of the MP28114DG-1.5,

MP28114G-1.8, and MP28114DG-3.3 are fixed

at 1.5V, 1.8V, and 3.3V, respectively. The

MP28114 can also run at 100% duty cycle for

low dropout applications. The MP28114 is

available in an ultra-small 2x2mm QFN package.

•

High Efficiency: Up to 95%

1.7MHz Constant Switching Frequency

600mA Available Load Current

2.5V to 6V Input Voltage Range

Output Voltage as Low as 0.6V

100% Duty Cycle in Dropout

Current Mode Control

Short Circuit Protection

Thermal Fault Protection

<0.1µA Shutdown Current

1.5V,1.8V, and 3.3V Fixed Out-put Versions

Ultra-Small 2x2mm QFN Package

APPLICATIONS

•

Cellular and Smart Phones

Microprocessors and DSP Core Supplies

PDAs

MP3 Players

Digital Still and Video Cameras

Portable Instruments

ORDERING INFORMATION

Part Number

MP28114DG - 1.5

MP28114DG - 1.8

MP28114DG - 3.3

MP28114DG

Output Voltage

V_OUT= 1.5V

V_OUT= 1.8V

V_OUT= 3.3V

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

Monolithic Power Systems, Inc.

V_OUT=0.6 to 6V

TYPICAL APPLICATION

Efficiency vs

Load Current

INPUT

2.5V - 6V

100

OUTPUT

MP28114

GND

6,8

100

1000

LOAD CURRENT (mA)

MP28114 Rev.0.92

8/5/2010

www.MonolithicPower.com

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

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