LM3423-Q1
LM3423-Q1 is N-Channel Controllers manufactured by Texas Instruments.
- Part of the LM3421-Q1 comparator family.
- Part of the LM3421-Q1 comparator family.
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LM3421-Q1, LM3423-Q1
SNVSB95
- JULY 2019
LM342x-Q1 N -Channel Controllers for Constant-Current LED Drivers
1 Features
- 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
LM3423-Q0 Only)
- Fault Status Flag and Timer(LM3423-Q1 and
LM3423-Q0 Only)
2 Applications
- LED Drivers: Buck, Boost, Buck-Boost, and...
