AOZ1977 Datasheet High Voltage Led Driver Ic

Manufacturer: Alpha & Omega Semiconductors

Overview: AOZ1977 High Voltage LED Driver IC General.

Datasheet Details

Part number	AOZ1977
Manufacturer	Alpha & Omega Semiconductors
File Size	641.77 KB
Description	High Voltage LED Driver IC
Datasheet	AOZ1977-AlphaOmegaSemiconductors.pdf

General Description

The AOZ1977 is a high-efficiency LED driver controller for high voltage LED backlighting applications.

It is designed to drive a high-brightness LED light bar in LED TV applications.

The AOZ1977 can support a wide range of input and output voltages.

Key Features

to protect the regulator under fault conditions. A control pin can disable an external switch to disconnect the LEDs current path from the output in PWM dimming or under catastrophic failure conditions. Cycle-by-cycle current protection limits the peak inductor current. Thermal shutdown provides an additional level of protection. Low feedback voltage (500 mV) helps reduce power loss. The AOZ1977 features a sync function to allow for synchronization with an external clock or multiple AOZ1977 devi.

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