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  4. Primary-side control, offline LED controller MP4054A with active PFC, NTC and PWM dimming (Monolithic Power Systems, Inc.)
Primary-side control, offline LED controller MP4054A with active PFC, NTC and PWM dimming-MP4054A
Primary-side control, offline LED controller MP4054A with active PFC, NTC and PWM dimming-Monolithic Power Systems, Inc.

Primary-side control, offline LED controller MP4054A with active PFC, NTC and PWM dimming
Monolithic Power Systems, Inc.

About This Product

■Summary

MP4054A is an offline LED lighting controller with primary side control. A small TSOT23-8 package provides high power factor (PF) and accurate LED current for isolated single power stage lighting applications. This eliminates the need for secondary feedback components and optocouplers, greatly simplifying the design of LED lighting systems. MP4054A integrates power factor correction (PFC) and valley switching mode to reduce MOSFET switching losses. MP4054A has NTC function and is capable of PWM dimming. To enhance system reliability and safety, the MP4054A has multiple internally integrated protection features, including overvoltage protection (OVP), short circuit protection (SCP), primary overcurrent protection (OCP), power outage protection, overtemperature protection (OTP), cycle-by-cycle current limiting, VCC undervoltage lockout (UVLO), and auto-restart functionality.

■Features and benefits

・Actual current control without using secondary feedback circuit ・<2% line/load regulation ・NTC thermocurrent foldback ・PWM dimming possible ・High PF (≥0.9) over universal input voltage ・Valley switching mode to improve efficiency ・Power outage protection ・Overvoltage protection ・Short circuit protection ・Overheat protection ・Primary side overcurrent protection ・Current limit per cycle ・VCC low voltage malfunction prevention function protection ・Auto restart function ・Provided in TSOT23-8 package

■Available product numbers

・MP4054AGJ-P MP4054AGJ-Z ・Part numbers ending in P and Z are the same part. P and Z indicate reel size only

  • Product

    Primary-side control, offline LED controller MP4054A with active PFC, NTC and PWM dimming

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1 Models of Primary-side control, offline LED controller MP4054A with active PFC, NTC and PWM dimming

Image Part Number Price (excluding tax) Iq (mA) Ishutdown (µA) Open LED Protection Type Vac (max) (V) Vac (min) (V) Vfb (V) Fsw (max) (kHz) Package (mm)
Primary-side control, offline LED controller MP4054A with active PFC, NTC and PWM dimming-Part Number-MP4054A

MP4054A

Available upon quote

0.6

20

Yes

Buck, Buck-Boost, Flyback

305

85

0.4

200

FCTSOT23-8

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About Company Handling This Product

Monolithic Power Systems, Inc.

Company Overview

Monolithic Power Systems (MPS), founded in 1997 and headquartered in San Jose, California, is a manufacturer o...

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