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LM3488MMX Datasheet(PDF) 6 Page - Texas Instruments |
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LM3488MMX Datasheet(HTML) 6 Page - Texas Instruments |
6 / 37 page LM3488, LM3488-Q1 SNVS089N – JULY 2000 – REVISED DECEMBER 2014 www.ti.com Electrical Characteristics (continued) Unless otherwise specified, VIN = 12 V, RFA = 40 kΩ, TJ = 25°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VEAO Error Amplifier Output Voltage Swing Upper Limit: VFB = 0 V, COMP Pin 2.2 V = Floating Upper Limit: VFB = 0 V, COMP Pin 1.8 2.4 = Floating, −40°C ≤ TJ ≤ 125°C Lower Limit: VFB = 1.4 V 0.56 V Lower Limit: VFB = 1.4 V, −40°C ≤ 0.2 1.0 TJ ≤ 125°C TSS Internal Soft-Start Delay VFB = 1.2 V, VCOMP = Floating 4 ms Tr Drive Pin Rise Time Cgs = 3000 pf, VDR = 0 to 3 V 25 ns Tf Drive Pin Fall Time Cgs = 3000 pf, VDR = 0 to 3 V 25 ns VSD Shutdown and Synchronization signal Output = High 1.27 V threshold (6) Output = High, −40°C ≤ TJ ≤ 125°C 1.4 Output = Low 0.65 V Output = Low, −40°C ≤ TJ ≤ 125°C 0.3 ISD Shutdown Pin Current VSD = 5 V −1 µA VSD = 0 V +1 IFB Feedback Pin Current 15 nA TSD Thermal Shutdown 165 °C Tsh Thermal Shutdown Hysteresis 10 °C (6) The FA/SYNC/SD pin should be pulled to VIN through a resistor to turn the regulator off. 6 Submit Documentation Feedback Copyright © 2000–2014, Texas Instruments Incorporated Product Folder Links: LM3488 LM3488-Q1 |
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