*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 Protec.

* LED Drivers: Buck, Boost, Buck-Boost, and SEPIC
* Indoor and Outdoor Area SSL
* Automotive
* General I.

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.

LM342

LM3420

LM3420-12.6

LM3420-16.8

LM3420-4.2

LM3420-8.2

LM3420-8.4

LM3421-Q1

LM3423

LM3423-Q1

LM3424

LM3429

LM3429-Q1

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