Datasheet > DO1605T-103MX

DO1605T-103MX

更新时间： 2024-11-20 03:30:11

品牌	Logo	应用领域
芯源 - MPS		转换器
页数	文件大小	规格书
8页	294K
描述
Dual 1.2MHz, 800mA Synchronous Step-Down Converter

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DO1605T-103MX 数据手册

MP2109

Dual 1.2MHz, 800mA Synchronous

Step-Down Converter

The Future of Analog IC Technology

DESCRIPTION

FEATURES

The MP2109 contains two independent 1.2MHz

constant frequency, current mode, PWM

•

Up to 95% Efficiency

1.2MHz Constant Switching Frequency

800mA Load Current on Each Channel

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

Internally Compensated

step-down

converters.

Each

converter

integrates a main switch and a synchronous

rectifier for high efficiency without an external

Schottky diode. The MP2109 is ideal for

powering portable equipment that runs from a

single cell Lithium-Ion (Li+) battery. Each

converter can supply 800mA of load current

from a 2.5V to 6V input voltage. The output

voltage can be regulated as low as 0.6V. The

MP2109 can also run at 100% duty cycle for

low dropout applications.

Space Saving 10-Pin QFN Package

APPLICATIONS

EVALUATION BOARD REFERENCE

•

Cellular and Smart Phones

Microprocessors and DSP Core Supplies

PDAs

MP3 Players

Digital Still and Video Cameras

Portable Instruments

Board Number

Dimensions

EV2109DQ-00A

1.5”X x 1.0”Y x 0.5”Z

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

Power Systems, Inc.

TYPICAL APPLICATION

IN1/IN2

2.5V to 6V

100

IN1

IN2

EN1

SW1

FB1

EN2

SW2

FB2

OFF ON

=3.3V

OUT

OUT2

1.2V

800mA

MP2109

OUT1

1.8V

800mA

GND1 GND2

500

LOAD CURRENT (mA)

1000

MP2109_S01

MP2109_EC01

MP2109 Rev.1.3

2/21/2006

www.MonolithicPower.com

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

12 3 4 5 6 7 8

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