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PT6904 - High Power LED Driver

General Description

PT6904 is a constant-current LED driver IC utilized constant frequency, controls buck, boost or buck-boost switch converter.

In each control mode, PT6904 adopts the inductance current continuous conduction, peak current control mode and the feedback of the output current.

Key Features

  • >90% Efficiency Operating voltage: 9V~36V Constant-current driver Switch control mode: Buck, Boost, Buck-Boost Stable operation frequency Slope compensation Output current closed loop control Input current limit, output over voltage protection, output short-circuit protection Linear dimming & PWM dimming Synchronization Soft start.

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Datasheet Details

Part number PT6904
Manufacturer PTC
File Size 163.54 KB
Description High Power LED Driver
Datasheet download datasheet PT6904 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Tel: 886-2-66296288 Fax: 886-2-29174598 URL:http://www.princeton.com.tw High Power LED Driver Preliminary PT6904 DESCRIPTION PT6904 is a constant-current LED driver IC utilized constant frequency, controls buck, boost or buck-boost switch converter. In each control mode, PT6904 adopts the inductance current continuous conduction, peak current control mode and the feedback of the output current. It’s controlled by the internal transconductance operational amplifier and external adjustable slope compensation, it is able to gain the high precision output current in closed loop. The typical functions of PT6904 such as UVLO (Under Voltage Lockout), input current limit, open LED protection, output short circuit protection, output current precision control, linear dimming, PWM dimming, etc.