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MT7932

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

Product

Description

Vin(V)

Max drive capacity

PFC

Dimming

Package

PDF

MT7932

External MOS

85~264VAC

80W

>0.9

N/A

SOT23-6

MT7932

DESCRIPTION
The MT7932 is a single-stage, primary side control AC-DC LED driver with active power factor correction. The MT7932 integrates on-chip PFC circuit operates in discontinuous conduction mode (DCM) to achieve high power factor and low harmonic distortion (THD). With MAXIC Proprietary control technique, precision LED current is achieved without secondary side sense and feedback circuit including opto-coupler. The MT7932 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 (<8%)
Primary side control eliminates opto-coupler
High precision LED current (±3%)
Up to 60W driving capability.
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
Available in SOT23-6 package

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