Datasheet > MP8864GQ

MP8864GQ

更新时间： 2024-02-05 00:22:52

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
29页	1678K
描述
High-Efficiency, 4 A, 21 V, Synchronous Step-Down Converter with I2C Interface

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MP8864GQ 数据手册

MP8864

High-Efficiency, 4 A, 21 V, Synchronous

Step-Down Converter with I²C Interface

DESCRIPTION

FEATURES

The MP8864 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 4 A continuous

output current with excellent load and line

regulation over a wide input supply range. The

MP8864 has synchronous-mode operation for

higher efficiency over the output load range.



Wide 4.5 V to 21 V Operation Input Range

50 mΩ/23 mΩ Low R_DS(ON)Internal Power

MOSFETs



1% VOUT Accuracy

I²C Programmable Reference Voltage

Range from 0.6 V to 1.87 V in 10 mV Steps

with Slew-Rate Control



I²C Selectable Switching Frequency. Default

600 kHz Switching Frequency

Programmable Output Voltage

Power-Saving Mode, OTP, and OCP via I²C

Power Good Indication

The reference voltage level is controlled,

on-the-fly through a 3.4 Mbps I²C serial

interface. The voltage range can be adjusted

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

voltage slew rate, switching frequency, enable,

and power-saving mode are selectable through

the I²C interface.



1-Bit I²C Address Set Pin

OCP in Hiccup Mode

External Soft-Start

Available in a QFN 3mm x 3mm Package

Current-mode operation provides fast transient

response and eases loop stabilization. Full

APPLICATIONS

protection

features

include

over-current



SoC and Media Processors

General Consumer

Distributed Power Systems

protection (OCP), over-voltage protection

(OVP), and thermal shutdown (TSD).

The MP8864 requires a minimal number of

readily available, standard external components

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.

and is available in

(3mm x 3mm) package.

15-pin QFN15

“MPS” and “The Future of Analog IC Technology” are registered trademarks of

Monolithic Power Systems, Inc.

TYPICAL APPLICATION

10 Ω

0.1 uF

1 uH

4.5 V-21 V

BST

VIN

1.2 V/4 A

VOUT

22 uF x 2

100 kΩ

47 uF

34 kΩ

33 kΩ

EN/SYNC

34 kΩ

MP8864

VCC

0.22 μF

SDA

SCL

ADD

100 kΩ

AGND

PGND

22 nF

MP8864 Rev. 1.02

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MP8864GQ相关器件

型号	品牌	获取价格	描述	数据表
MP8865	MPS	获取价格	High-Efficiency, 6A, 21V, Synchronous Step-Down Converter with I2C Interface
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

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