PAM2846 Datasheet PDF - Power Analog Micoelectronics Integrated 6 String LED Boost Type Driver Specs

PAM2846 - Integrated 6 String LED Boost Type Driver

Datasheet Summary

Description

The PAM2846 is a high-efficiency boost type LED driver.

It is designed for large LCD panel that employs an array of LEDs as back light source.

The PAM2846 employs a current-mode step-up converter that drives six parallel strings of LEDs connected in multiple series.

Features

n Six Constant-Current Output Channels n Parallel Channels Allow Higher Current per LED String n Maximum 40V Continuous Voltage Output Limit for Each Channel n Self-adaptive Vout to Fit Different LED Number n Adjustable Constant LED Current n Drives 10 or more LEDs Each String as Long as the String Voltage Less Than 40V n Internal 2.5A Power MOSFET n Low 400mV Feedback Voltage at Full Current Improves Efficiency n Allows Digital PWM and Analog Dimming n Wide (100:1) PWM Dimming Range without Col.

Datasheet Details

Part number	PAM2846
Manufacturer	Power Analog Micoelectronics
File Size	0.97 MB
Description	Integrated 6 String LED Boost Type Driver
Datasheet	PAM2846 Datasheet
Additional preview pages of the PAM2846 datasheet.

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Full PDF Text Transcription

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PAM2846 Integrated 6 String LED Boost Type Driver Features n Six Constant-Current Output Channels n Parallel Channels Allow Higher Current per LED String n Maximum 40V Continuous Voltage Output Limit for Each Channel n Self-adaptive Vout to Fit Different LED Number n Adjustable Constant LED Current n Drives 10 or more LEDs Each String as Long as the String Voltage Less Than 40V n Internal 2.5A Power MOSFET n Low 400mV Feedback Voltage at Full Current Improves Efficiency n Allows Digital PWM and Analog Dimming n Wide (100:1) PWM Dimming Range without Color Shift n Independent Dimming and Shutdown Control of the LED Driver n ±1% Typical Current Matching between Strings n Open LED Protection: Adjustable Clamp Voltage n Short LED Protection n 3 Frequencies Selection: 1.

Published: Oct 19, 2009 |