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MT7812

Maxic Technology
Part Number MT7812
Manufacturer Maxic Technology
Description High Efficiency High Precision Buck Constant Current Driver
Published May 27, 2016
Detailed Description MT7812 High Efficiency High Precision Buck Constant Current Driver DESCRIPTION MT7812 is a high precision LED constant ...
Datasheet PDF File MT7812 PDF File

MT7812
MT7812

Overview
MT7812 High Efficiency High Precision Buck Constant Current Driver DESCRIPTION MT7812 is a high precision LED constant current control chip operating at critical conduction mode (CRM) with zero current switched-on and peak current switched-off.
It’s mainly targeted for non-isolated buck LED power systems.
Critical conduction mode ensures that the MT7812 turns on the internal power MOSFET when the inductor current reaches zero, reducing the power MOSFET switching loss, the system achieves more than 95% efficiency.
With critical conduction mode, and the line compensation, MT7812 outputs high accuracy LED current, and further achieves good line regulation and load regulation.
protection(OCP), short circuit protection (SCP)， over voltage protection (OVP) and over temperature protection(OTP),etc, to ensure system reliability.
FEATURES  Critical Conduction Mode, not sensitive to the inductance.
 Up to 95% of efficiency  Highly accurate constant LED current  Cycle-by-cycle current limit...


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