Datasheet > MP8865

MP8865

更新时间： 2024-01-12 11:51:05

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
29页	1708K
描述
High-Efficiency, 6A, 21V, Synchronous Step-Down Converter with I2C Interface

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MP8865 数据手册

MP8865

High-Efficiency, 6A, 21V, Synchronous

Step-Down Converter with I²C Interface

DESCRIPTION

FEATURES

The MP8865 is a high-frequency, synchronous,

rectified, step-down, switch-mode converter

with an I²C control interface. It offers a very

compact solution to achieve a 6A continuous

output current with excellent load and line

regulation over a wide input supply range. The

MP8865 has synchronous-mode operation for

higher efficiency over the output load range.



Wide 4.5V to 21V Operation Input Range

45mΩ/18mΩ Low R_DS(ON)Internal Power

MOSFETs



1% VOUT Accuracy

I²C Programmable Reference Voltage

Range from 0.6V to 1.87V in 10mV Steps

with Slew Rate Control



I²C Selectable Switching Frequency. Default

600kHz Switching Frequency.

Programmable Output Voltage

Power-Saving Mode, OTP, and OCP via I²C

Power Good Indication

The reference voltage level can be controlled

on-the-fly through the 3.4Mbps I²C serial

interface. The voltage range can be adjusted

from 0.6V to 1.87V in 10mV steps. Also, the

voltage slew rate, switching frequency, enable,

and power-saving mode are selectable through

the I²C interface.



1-Bit I²C Address Set

OCP Protection in Hiccup Mode

External Soft Start

Available in a QFN-15 3mm x 3mm

Package

Current-mode operation provides fast transient

response and eases loop stabilization. Full

protection

features

include

over-current

APPLICATIONS

protection (OCP), over-voltage protection

(OVP), and thermal shutdown (TSD).



SoC and Media Processors

General Consumers

Distributed Power Systems

The MP8865 requires a minimal number of

readily

components and is available in a QFN-15

3mm x 3mm package.

available,

standard,

external

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

0.1μF

10Ω

1μH

4.5V-21V

BST

VIN

1.2V/6A

VOUT

22μFX2

VOUT

47μF

34kΩ

100kΩ

34kΩ

EN/SYNC

33kΩ

MP8865

VCC

0.22μF

SDA

SCL

100kΩ

SCL

ADD

AGND

PGND

22nF

MP8865 Rev. 1.03

1/18/2018

www.MonolithicPower.com

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

12 3 4 5 6 7...29

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与MP8865相关器件

型号	品牌	获取价格	描述	数据表
MP8865GQ	MPS	获取价格	High-Efficiency, 6A, 21V, Synchronous Step-Down Converter with I2C Interface
MP8867	MPS	获取价格	High-Efficiency, 8A, 17V, Synchronous Step-Down Converter with I2C Interface
MP8867GLE	MPS	获取价格	High-Efficiency, 8A, 17V, Synchronous Step-Down Converter with I2C Interface
MP8868	MPS	获取价格	High-Efficiency, 10A, 17V, Synchronous Step-Down Converter with I2C Interface
MP8868GLE	MPS	获取价格	High-Efficiency, 10A, 17V, Synchronous Step-Down Converter with I2C Interface
MP8868GLE-Z	MPS	获取价格	Switching Regulator, Current-mode, 2000kHz Switching Freq-Max, QFN-14
MP8869	MPS	获取价格	17V, 12A, High-Efficiency, Synchronous Step-Down Converter with Integrated Telemetry via I
MP8869GL	MPS	获取价格	17V, 12A, High-Efficiency, Synchronous Step-Down Converter with Integrated Telemetry via I
MP8869S	MPS	获取价格	18V, 12A, High-Efficiency, Wide-Input, Synchronous, Step-Down Converter with Integrated Te
MP8869SGL	MPS	获取价格	18V, 12A, High-Efficiency, Wide-Input, Synchronous, Step-Down Converter with Integrated Te

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