Datasheet > MP9989

MP9989

更新时间： 2024-04-09 19:02:01

品牌	Logo	应用领域
芯源 - MPS		二极管
页数	文件大小	规格书
15页	808K
描述
CCM/DCM 反激理想二极管，集成 100V/10mΩ MOSFET，无需辅助绕组

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MP9989 数据手册

MP9989

CCM/DCM Flyback Ideal Diode

with Integrated 100V/10mΩ MOSFET

and No Need for Auxiliary Winding

DESCRIPTION

FEATURES

The MP9989 is a fast turn-off, intelligent rectifier

for flyback converters that integrates a 100V

MOSFET. It can replace a diode rectifier for

higher efficiency and power density. The chip

regulates the forward voltage drop of the internal

power switch to 40mV⁽¹⁾and turns off before the

drain-source voltage reverses.



Integrated 100V/10mΩ MOSFET

Wide Output Range down to 0V

No Need for Auxiliary Winding for High-Side

or Low-Side Rectification

Ringing Detection Prevents False Turn-On

during DCM Operations

Compatible with Energy Star

110µA Quiescent Current

Supports DCM, CCM, and Quasi-Resonant

Operations



The MP9989 can generate its own supply

voltage without the need for auxiliary winding,

which makes it suitable for charger applications

with a low output voltage requirement or any

other adaptor applications with high-side set-up.

The internal ringing detection circuitry prevents

the MP9989 from falsely turning on during

discontinuous conduction mode (DCM) or quasi-

resonant operations.



Available in SOIC-8 and QFN4x5-8

Packages

APPLICATIONS



Laptop Adapters

QC and USB PD Charger

High-Efficiency Flyback Converters

The MP9989 is available in SOIC-8 and

QFN4x5-8 packages.

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

MPS green status, please visit the MPS website under QualityAssurance. “MPS”,

the MPS logo, and “Simple, Easy Solutions” are registered trademarks of

Monolithic Power Systems, Inc. or its subsidiaries.

Note:

1) Related issued patent: US Patent US8, 067,973; US8,400,790. CN

Patent ZL201010504140.4. Other patents pending.

TYPICAL APPLICATION

VDD

SENSE

MP9989

MP9989 Rev. 1.1

8/27/2020

www.MonolithicPower.com

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

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