Datasheet > MP2164

MP2164

更新时间： 2024-11-15 17:02:15

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
21页	859K
描述
2.5 - 5.5V, 3A, 2.3Mhz, 带 MODE 引脚的高效同步降压变换器，采用小尺寸 2x2mm QFN 封装

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MP2164 数据手册

MP2164

2.5 - 5.5V, 3A, 2.3MHz, High Efficiency,

Synchronous Step-Down Converter

with MODE Pin in Small 2x2mm QFN Package

DESCRIPTION

FEATURES

The MP2164 is a monolithic, step-down, switch-

mode converter with built-in, internal power

MOSFETs that can achieve 3A of continuous

output current from a 2.5V to 5.5V input voltage

rangewith excellent load and line regulation.

The output voltage can be regulated as low as

0.6V. The MP2164 is ideal for powering

portable equipment that run on a single-cell

Lithium-ion (Li+) battery.



More than 80% Light-Load Efficiency

Forced PWM and Auto PFM Option

Wide 2.5V to 5.5V Operating Input Range

Output Voltage as Low as 0.6V

100% Duty Cycle in Dropout

3A Output Current

32mΩ and 20mΩ Internal Power MOSFET

2.3MHz Frequency

Internal Soft Start (SS)

Short-Circuit Protection (SCP) with Hiccup

Mode

Thermal Shutdown

Stable with Low ESR Output Ceramic

Capacitors

Available in a QFN-12 (2mmx2mm)

Package

The constant-on-time (COT) control scheme

provides fast transient response, high light•load

efficiency, and easy loop stabilization.



Full protection features include output over-

voltage protection (OVP), cycle•by•cycle current

limiting, and thermal shutdown.



The MP2164 is available in a QFN-12

(2mmx2mm) package.

APPLICATIONS



Wireless Cards

Smartphones

Low-Voltage I/O System Power

All MPS parts are lead-free, halogen-free, and adhere to the RoHS

directive. For MPS green status, please visit the 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. Output Current

V_IN= 5V, DCR = 14mΩ

0.47µH

VIN

2.5V to 5.5V

VOUT

1.2V / 3A

100

OUT

22µF

200kΩ

MP2164

Vout=1.2V,PWM

Vout=1.2V,PFM

MODE

Vout=1.8V,PWM

Vout=1.8V,PFM

PGND

AGND

0.01

0.1

OUTPUT CURRENT (A)

MP2164 Rev.1.0

7/12/2018

www.MonolithicPower.com

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

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