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LM3402 Scheda tecnica(PDF) 6 Page - Texas Instruments |
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LM3402 Scheda tecnica(HTML) 6 Page - Texas Instruments |
6 / 39 page LM3402, LM3402HV SNVS450F – SEPTEMBER 2006 – REVISED OCTOBER 2015 www.ti.com Electrical Characteristics (continued) VIN = 24 V unless otherwise indicated. Typical values apply over –40°C ≤ TJ ≤ 125°C; minimum and maximum values apply over the full operating temperature range (1) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT N-MOSFET AND DRIVER ISW = 200 mA, BOOT-SW = 6.3 RDS-ON Buck Switch ON Resistance 0.7 1.5 Ω V BOOT Undervoltage Lockout VDR-UVLO BOOT–SW Increasing 1.7 3 4 V Threshold BOOT Undervoltage Lockout VDR-HYS BOOT–SW Decreasing 400 mV Hysteresis THERMAL SHUTDOWN TSD Thermal Shutdown Threshold 165 °C TSD-HYS Thermal Shutdown Hysteresis 25 °C 6.6 Timing Requirements MIN NOM MAX UNIT tON-1 ON-time 1, VIN = 10 V, RON = 200 kΩ 2.1 2.75 3.4 µs ON-time 2, VIN = 40 V, RON = 200 kΩ LM3402 490 650 810 tON-2 ns ON-time 2, VIN = 70 V, RON = 200 kΩ LM3402HV 290 380 470 6 Submit Documentation Feedback Copyright © 2006–2015, Texas Instruments Incorporated Product Folder Links: LM3402 LM3402HV |
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