Datasheet Details
Part number:
LM3423, LM3421
Manufacturer:
File Size:
2.02 MB
Description:
N-channel controllers.
Note:
This datasheet PDF includes multiple part numbers: LM3423, LM3421.
Please refer to the document for exact specifications by model.
LM3423, LM3421, N-Channel Controllers
The LM3421 and LM3423 family of devices are versatile high voltage N-channel MOSFET controllers for LED drivers.
They can be easily configured in buck, boost, buck-boost and SEPIC topologies.
This flexibility, along with an input voltage rating of 75 V, makes the these controllers ideal for illumina
LM3423 Features
* 1 VIN Range From 4.5 V to 75 V
* High-Side Adjustable Current Sense
* 2-Ω, 1-A Peak MOSFET Gate Driver
* Input Undervoltage and Output Overvoltage Protection
* PWM and Analog Dimming
* Cycle-by-Cycle Current Limit
* Programmable Switching Freq
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