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Maxictech MT7812 LED Driver Chip Datasheet
The MT7812 LED driver chip from Maxictech integrates a 500 V high‑voltage MOSFET, enabling a simple external circuit and low system cost. It operates in Critical Conduction Mode, turning the power switch on only when the inductor current reaches zero, which yields over 95 % peak efficiency and high current accuracy.
Key features include built‑in over‑current, short‑circuit, open‑circuit, and over‑temperature protection, as well as UVLO and front‑edge blanking control. The device is supplied in an SOP‑8 package and is suited for a wide range of LED lighting applications such as bulbs, floodlights, signal lights, and stage lighting. This manual is written in Chinese.
Covers: Main Features · Applications · Absolute Maximum Ratings · Ordering Information · Electrical Parameters · Block Diagram
Latest Maxictech manuals
Maxictech MT7812 LED Driver Chip Datasheet
Datasheet 8 pages · 643 KB · ZHThe MT7812 is a high‑efficiency, high‑precision, non‑isolated buck LED constant‑current driver chip with built‑in 500 V MOSFET and multiple protection features.
Which document do I need?
Datasheet
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in Maxictech manuals
What is the maximum output LED current for the MT7812?
The device can drive an LED current of less than 200 mA.
How does the MT7812 protect against over‑current?
It monitors the CS pin voltage and shuts off the internal switch when the voltage exceeds 400 mV, providing per‑cycle over‑current protection.