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MT7812B - High Efficiency High Precision Buck Constant Current Driver

Description

MT7812B is a high precision LED constant current controller 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.

Features

  • to improve the system reliability, including over current protection (OCP), short circuit pro.

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Datasheet Details

Part number MT7812B
Manufacturer Maxic Technology
File Size 358.48 KB
Description High Efficiency High Precision Buck Constant Current Driver
Datasheet download datasheet MT7812B Datasheet

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Full PDF Text Transcription

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MT7812B High Efficiency High Precision Buck Constant Current Driver DESCRIPTION MT7812B is a high precision LED constant current controller 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 MT7812B turns on the internal power MOSFET when the inductor current reaches zero, reducing the power MOSFET switching loss, and achieving more than 95% efficiency. With critical conduction mode, and the input compensation, MT7812B can achieve precise output current and excellent line regulation and load regulation. MT7812B embedded with internal power MOSFET, it can achieve simplified peripheral circuits and low BOM cost.
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