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LM3421

Texas Instruments
Part Number LM3421
Manufacturer Texas Instruments
Description N-Channel Controllers
Published Mar 24, 2024
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community LM3421, LM3423 SNVS574G – JULY 20...
Datasheet PDF File LM3421 PDF File

LM3421
LM3421

Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community LM3421, LM3423 SNVS574G – JULY 2008 – REVISED JULY 2019 LM342x N -Channel Controllers for Constant-Current LED Drivers 1 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 Frequency • Zero Current Shutdown and Thermal Shutdown • LED Output Status Flag (LM3423 and LM3423-Q0 Only) • Fault Status Flag and Timer(LM3423 and LM3423-Q0 Only) 2 Applications • LED Drivers: Buck, Boost, Buck-Boost, and SEPIC • Indoor and...


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