Texas Instruments
LM3421-Q1
Automotive N-channel Controller for Constant-Current LED Drivers with Series DIM FET Driver
The LM3421-Q1 is a versatile high-voltage N-channel MOSFET controller for LED drivers, configurable in buck, boost, buck-boost, and SEPIC topologies. It features predictive off-time (PRO) control, an integrated 2-Ω, 1-A peak gate driver, and a wide input voltage range of 4.5V to 75V. It is AEC-Q100 qualified for automotive applications and includes high-side adjustable current sensing.
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Technical Specifications
Texas Instruments LM3421-Q1 technical specifications.
General
| Input Voltage (Min) | 4.5V |
| Input Voltage (Max) | 75V |
| Max Output Voltage | 72V |
| Switching Frequency (Max) | 2000kHz |
| Operating Temperature (Max) | 150°C |
| Gate Driver Peak Current | 1.0A |
Compliance
| Automotive Qualification | AEC-Q100 Grade 1 or Grade 0 |
| RoHS | Compliant |
| REACH | Affected |
Datasheet
Texas Instruments LM3421-Q1 Datasheet
Download the complete datasheet for Texas Instruments LM3421-Q1 to view detailed technical specifications.
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