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LM3492 Fiches technique(PDF) 5 Page - Texas Instruments |
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LM3492 Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 24 page LM3492, LM3492Q www.ti.com SNVS656C – SEPTEMBER 2010 – REVISED MAY 2013 ELECTRICAL CHARACTERISTICS (continued) Specification with standard type are for TA = TJ = +25°C only; limits in boldface type apply over the full Operating Junction Temperature (TJ) range. Minimum and Maximum are ensured through test, design or statistical correlation. Typical values represent the most likely parametric norm at TJ = +25°C, and are provided for reference purposes only. Unless otherwise stated the following conditions apply: VIN = 12V. Symbol Parameter Conditions Min Typ Max Units toff OFF timer pulse width 145 350 ns COMM PIN VIOUT-OV IOUT pin over-voltage threshold COMM goes LOW during VIOUT rising, 5.6 6.7 7.8 V other VIOUT = 1.2V VCOMM-LOW COMM pin at LOW 5 mA into COMM 0.7 V ILEAK-FAULT COMM pin Open Leakage VCOMM = 5V 5 µA Thermal Protection TOTM Over-temperature indication TJ rising 135 °C TOTM-HYS Over-temperature indication hysteresis TJ falling 15 °C TSD Thermal shutdown temperature TJ rising 165 °C TSD-HYS Thermal shutdown temperature hysteresis TJ falling 20 °C Copyright © 2010–2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM3492 LM3492Q |
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