Datasheet > MP2276

MP2276

更新时间： 2024-11-04 17:01:51

品牌	Logo	应用领域
芯源 - MPS		软启动
页数	文件大小	规格书
25页	793K
描述
8A、2.7-16V 输入、高效同步降压变换器，具有可编程电流限值和软启动时间，提供可选频率和工作模式

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MP2276 数据手册

MP2276

8A, 2.7-16V Input, High-Efficiency Synchronous

Step-down Converter with Programmable Current

Limit and Soft Start Time Selectable Frequency

and Mode of Operation

The Future of Analog IC Technology

DESCRIPTION

FEATURES

The MP2276 is a fully integrated, high-

frequency, synchronous, rectified, step-down,

switch-mode converter. It offers a very compact

solution that achieves up to 8A of continuous

output current with excellent load and line

regulation over a wide input supply range. The

MP2276 operates at high efficiency over a wide

output current load range.



Wide 2.7V to 16V Input Voltage Range

8A Continuous Output Current

24mΩ/10mΩ Low R_DS(ON)Integrated Power

MOSFETs

Adaptive Constant-On-Time (COT) for

Ultrafast Transient Response

Stable with Zero ESR Output Capacitor

Programmable Current Limit

Selectable Forced CCM or Pulse-Skip

Operation at Light Load

Excellent Load Regulation

Programmable Soft-Start Time from 1.7ms

Pre-Bias Start-Up

Selectable 600kHz, 1100kHz, or 2000kHz

Switching Frequency

Hiccup Over-Current Protection (OCP)

Auto-Retry Over-Voltage Protection (OVP)

and Thermal Shutdown



The MP2276 uses constant-on-time (COT)

control for fast transient response and eased

loop stabilization.



Output voltage start-up is controlled by an

internal 1.7ms timer, which can be increased by

adding a capacitor on SS/TRK. An open-drain

power good (PG) signal indicates when the

output is within its nominal voltage range.



Full protection features include over-current

protection (OCP), over-voltage protection

(OVP), under-voltage protection (UVP), and

over-temperature protection (OTP).



Output Adjustable from 0.8V

Available in

Package

QFN-14 (2mmx3mm)

The MP2276 requires a minimal number of

APPLICATIONS

readily

available,

standard,

external

components and is available in a QFN-14

(2mmx3mm) package.



Digital Set-Top Boxes

Flat-Panel TV and Monitors

Distributed Power Systems

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

_OUT= 1V, L = 1µH (DCR = 4.6mꢀ)

100

Vin=5V

Vin=12V

Vin=16V

0.01

0.10

1.00

10.00

Output Current(A)

MP2276 Rev.1.1

5/30/2018

www.MonolithicPower.com

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

12 3 4 5 6 7...25

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