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LM34910 Datasheet(PDF) 4 Page - Texas Instruments |
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LM34910 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 18 page LM34910 SNVS297B – OCTOBER 2004 – REVISED MARCH 2013 www.ti.com Electrical Characteristics (continued) Specifications with standard typeface are for TJ = 25°C, and those with boldface type apply over full Operating Junction Temperature range. VIN = 24V, RON = 200k unless otherwise stated (1). Symbol Parameter Conditions Min Typ Max Units Current Limit ILIM Threshold Current out of ISEN 1 1.25 1.5 A Resistance from ISEN to SGND 130 m Ω Response time 150 ns On Timer tON - 1 On-time VIN = 10V, RON = 200 kΩ 2.1 2.75 3.6 µs tON - 2 On-time VIN = 36V, RON = 200 kΩ 740 ns Shutdown threshold Voltage at RON/SD rising 0.35 0.65 1.1 V Threshold hysteresis Voltage at RON/SD falling 40 mV Off Timer tOFF Minimum Off-time 280 ns Regulation and Over-Voltage Comparators (FB Pin) VREF FB regulation threshold SS pin = steady state 2.440 2.5 2.550 V FB over-voltage threshold 2.875 V FB bias current 100 nA Thermal Shutdown TSD Thermal shutdown temperature 175 °C Thermal shutdown hysteresis 20 °C 4 Submit Documentation Feedback Copyright © 2004–2013, Texas Instruments Incorporated Product Folder Links: LM34910 |
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