Datasheet > MP4054AGJ

MP4054AGJ

更新时间： 2025-08-18 01:23:03

品牌	Logo	应用领域
芯源 - MPS		功率因数校正
页数	文件大小	规格书
19页	1082K
描述
Primary-Side Control, Offline LED Controller with Active PFC, NTC and PWM Dimming

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MP4054AGJ 数据手册

MP4054A

Primary-Side Control,

Offline LED Controller with Active PFC,

NTC and PWM Dimming

DESCRIPTION

FEATURES

The MP4054A is a primary-side-control, offline

LED lighting controller. In a tiny TSOT23-8

package, it achieves high power factor (PF) and

accurate LED current for isolated, single-power-

stage lighting applications.



Real-Current Control without Secondary-

Feedback Circuit

<2% Line/Load Regulation

NTC Thermal Current Fold-Back

PWM Dimming Available

High PF (≥0.9) over Universal Input Voltage

Valley Switching Mode for Improved

Efficiency



This simplifies LED-lighting-system design

significantly by eliminating the secondary-side

feedback components and the optocoupler.



Brown-Out Protection

Over-Voltage Protection

Short-Circuit Protection

Over-Temperature Protection

Primary-Side Over-Current Protection

Cycle-By-Cycle Current Limit

VCC Under-Voltage Lockout Protection

Auto-Restart Function

The MP4054A integrates power factor

correction (PFC) and valley switching mode to

reduce MOSFET switching losses.

The MP4054A has NTC function and allows

PWM dimming.

To enhance system reliability and safety, the

MP4054A has multiple internally integrated

protection features, including over-voltage

protection (OVP), short-circuit protection (SCP),

primary-side over-current protection (OCP),

Available in TSOT23-8 Package

APPLICATIONS

brown-out

protection,

over-temperature



Solid-State Lighting

Industrial and Commercial Lighting

Residential Lighting

protection (OTP), cycle-by-cycle current limit,

VCC under-voltage lockout (UVLO), and auto-

restart function.

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

status, please visit MPS website under Products, Quality Assurance page.

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

Monolithic Power Systems, Inc.

TYPICAL APPLICATION CIRCUIT

MULT

MP4054A Rev. 1.01

9/27/2017

www.MonolithicPower.com

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

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