LM3421-Q1
Overview
The LM3421-Q1 and LM3423-Q1 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.
- 1 AEC Qualified for Automotive Applications - Device Temperature Grade 1: -40°C ≤ TA ≤ 125°C (LM3421-Q1 and LM3423-Q1) - Device Temperature Grade 0: -40°C ≤ TA ≤ 150°C (LM3421-Q0 and LM3423-Q0)
- 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 Frequency
- Zero Current Shutdown and Thermal Shutdown
- LED Output Status Flag (LM3423-Q1 and
