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MT7833A

APPLICATIONS
E27/PAR30/PAR38/GU10 LED lamp
T8/T10 LED tube
Other LED lighting applications

Product

Description

Vin(V)

Max drive capacity

PFC

Dimming

Package

PDF

MT7833A

Internal 550V MOS

85~264VAC

12W

>0.9

N/A

SOP8

MT7833A

DESCRIPTION
The MT7833A is a high-PF, non-isolate LED Driver IC. The floating-ground, high-side BUCK topology makes full wave detection possible. The MT7833A works in Quasi-Resonant mode (QRM) , which improves both of efficiency and EMI performance. Selectable maximum period control is integrated, such that flick can be eliminated while enough demagnetization time is guaranteed. Various protections such as OVP, OCP, OTP, etc, are embedded to improve reliability. The MT7833A integrate 550V MOSFET internally, which simplifies external circuit. The driving capability of the MT7833A is designed to be insensitive to VDD voltage and soft, with MAXIC proprietary technique. It can help to improve EMI performance greatly.

FEATURES
Single-stage active power factor correction (PFC > 0.90)
High accurate LED current (+/-3%)
Good Line and Load Regulation (+/-2%)
Quasi-Resonant mode (QRM) operation
Various protection schemes.
Power-on soft-start
Support powered by single-winding inductor Compact package: SOP8

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