Product Page

MT79332

APPLICATIONS
AC/DC LED driver applications
Signal and decorative LED lighting
E27/PAR30/PAR38/GU10 etc. LED lamp
T8/T10 LED String

Product

Description

Vin(V)

Max drive capacity

PFC

Dimming

Package

PDF

MT79332

Internal 600V MOS

85~264VAC

9W

>0.9

N/A

SOP8

MT79332

DESCRIPTION
MT79332 is a single-stage,primary side control AC-DC LED driver with active power factor correction. MT79332 integrates on-chip PFC circuit operates in critical conduction mode (CRM) to achieve high power factor and reduce the power MOSFET switching loss. With MAXIC Proprietary control technique, precision LED current is achieved without secondary side sense and feedback circuit including opto-coupler.
Embedded with 600V power MOSFET, the peripheral circuit is simplified.
MT79332 provides various protections, such as over current protection (OCP), over voltage protection (OVP), short circuit protection (SCP) and over temperature protection (OTP), etc, to improve system reliability.

FEATURES
Single-stage Active PFC for high power factor and low THD
Primary side control eliminates opto-coupler
High precision LED current (+/-3%)
Critical Conduction Mode operation
Cycle-by-cycle current limiting
Under-voltage lockout (UVLO) protection
VDD and output over voltage protection
Adjustable constant current and output power setting
Power on soft-start
Embedded with 600V power MOSFET
SOP8 package

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Return Policy

30 Days Service

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