Datasheet > MP8869S

MP8869S

更新时间： 2024-02-16 15:04:36

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
39页	2710K
描述
18V, 12A, High-Efficiency, Wide-Input, Synchronous, Step-Down Converter with Integrated Telemetry via I2C Interface

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MP8869S 数据手册

MP8869S

18V, 12A, High-Efficiency, Wide-Input,

Synchronous, Step-Down Converter with

Integrated Telemetry via I²C Interface

DESCRIPTION

FEATURES

The

MP8869S

high-frequency,



Vout Adjustable up to 5.5V using FB pin

Wide 2.85V to 18V Operating Input Range

12A Continuous/15A Peak Output Current

1% Internal Reference Accuracy

I²C-Programmable Reference Range from

0.6V to 1.108V in 4mV Steps with Slew

Rate Control

synchronous, rectified, step-down, switch-mode

converter with an I²C control interface. The

MP8869S offers a fully integrated solution that

achieves 12A of continuous current and 15A of

peak output current with excellent load and line

regulation over a wide input supply range.



5% Accuracy Output Voltage and Output

The output voltage level can be controlled on-

the-fly through an I²C serial interface. The

reference voltage range can be adjusted from

0.6V to 1.108V in 4mV steps. The voltage slew

rate, frequency, current limit, hiccup/latch-off

protection, enable, and power-saving mode are

also selectable through the I²C interface.

Current Monitoring via I²C

Selectable PFM/PWM Mode, Adjustable

Frequency and Current Limit through I²C

Four Different Selectable I²C Addresses

External Soft Start (SS)

Open-Drain Power Good (PG) Indication

Output Over-Voltage Protection (OVP)

Hiccup/Latch-Off Over-Current Protection

(OCP)



Constant-on-time (COT) control operation

provides fast transient response. An open-drain

power good (PG) pin indicates when the output

voltage is in the nominal range. Full protection

features include over-voltage protection (OVP),

over-current protection (OCP), and thermal

shutdown.



Available in a QFN-14 (3mmx4mm)

Package

APPLICATIONS



Solid-State Drives (SSD)

Flat-Panel Televisions and Monitors

Digital Set-Top Boxes

Distributed Power Systems

Networking/Servers

The MP8869S is available in a QFN-14

(3mmx4mm) package.

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

205kΩ 80.6kΩ

AGND

VCC

470nF

VOUT

SDA

I²C Bus

MP8869S

{

SCL

22nF

BST

100nF

2.85V-18V

V_IN

1.5µH

VIN

V_O

22µFx2

1V/12A

PGND

22µFx4

MP8869S 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...39

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