NCL30388 - LED Driver

Datasheet Summary

Description

NCL30388 Pin No Pin Name Function 1 COMP OTA output for CV loop 2 ZCD Zero crossing Detection Vaux sensing 3 CS Current sense 4 GND 5 DRV Driver output 6 VCC Supplies the controller 8 HV High Voltage sensing Pin Description This pin receives a compensation network

Features

High Voltage Startup.
Quasi.
resonant Peak Current.
mode Control Operation.
Primary Side Feedback.
CC / CV Control.
Tight LED Constant Current Regulation of ±2% Typical.
Digital Power Factor Correction.
Cycle by Cycle Peak Current Limit.
Wide Operating VCC Range.
40 to + 125°C.
Robust Protection Features.
Brown.
Out.
OVP on VCC.
Constant Voltage / LE.

ON Semiconductor

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Datasheet Details

Part number	NCL30388
Manufacturer	ON Semiconductor
File Size	407.06 KB
Description	LED Driver
Datasheet	NCL30388 Datasheet
Additional preview pages of the NCL30388 datasheet.

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Full PDF Text Transcription

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Power Factor Corrected LED Driver Featuring Primary Side CC / CV Control NCL30388 The NCL30388 is a power factor corrected controller targeting isolated and non−isolated constant current LED drivers. Designed to support flyback, buck−boost and SEPIC topologies, the controller operates in a quasi−resonant mode to provide high efficiency. Due to a novel control method, the device is able to tightly regulate a constant LED current from the primary side and provides near−unity power factor. This removes the need for secondary side feedback circuitry, its biasing and for an optocoupler. The device is highly integrated with a minimum number of external components. A robust suite of safety protection is built in to simplify the design.

Published: Sep 9, 2023 |