LM3432 - 6-Channel Current Regulator

National Semiconductor

Datasheet Details

Part number	LM3432
Manufacturer	National Semiconductor ↗
File Size	437.82 KB
Description	6-Channel Current Regulator
Datasheet	LM3432_NationalSemiconductor.pdf

The LM3432/LM3432B are 6-channel high voltage current regulators which provide a simple solution for LED backlight applications.

Dynamic Headroom Control (DHC) output to maximize efficiency when used in conjunction with National Semiconductor's LM3430 Boost Controller for LED Backlighting Current sinking adjustable up to 40mA in each string Fast current switching slew rate, tr = 60ns typical Wide dimming ratio, up to 4000:1 with fDIM = 500Hz High LED driving voltage up to 80V ±2.0% current matching between strings Accepts both Digital and Analog dimming control LED open/short fault indication (For LM3432B, no open f.

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Published: Mar 19, 2010 |