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LM27212SQX Scheda tecnica(PDF) 6 Page - National Semiconductor (TI) |
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LM27212SQX Scheda tecnica(HTML) 6 Page - National Semiconductor (TI) |
6 / 23 page Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. VDD -0.6V to 7V XPOK -0.6V to 7V SW1 -3V to 32V VRON -0.6V to 7V DE_EN# -0.6V to 7V VOVP, VBOOT -0.6V to 7V VID0 to VID5 -0.6V to 7V STP_CPU#, SLP -0.6V to 7V VSLP, VSTP, SENSE -0.6V to 7V CMP1, CMP2, CMPREF -0.6V to 7V ILIM1, ILIM21, ILIMREF -0.6V to 7V Power Dissipation \TSSOP, TA = 25˚C, (Note 2) 1.56W Junction Temperature +150˚C Functional Temp. Range (Note 1) -20˚C to +110˚C ESD Rating (Note 4) 2kV Storage Temp Range (Note 3) -65˚C to +150˚C Soldering Dwell Time Temperature (Note 3) Wave Infrared Vapor Phase 4sec, 260˚C 10sec, 240˚C 75sec, 219˚C Operating Ratings (Note 1) VDD 4.75V to 6V Junction Temperature -5˚C to +110˚C Ambient Temperature -5˚C to +105˚C Electrical Characteristics Specifications with standard typeface are for T J = 25˚C, and those in bold face type apply over a junction temperature range of -5˚C to +110˚C. Unless otherwise specified, VDD = 5V, SGND = DGND = SRCK1 = 0V. (Note 5) Symbol Parameter Conditions Min Typ Max Units Chip Supply VDD Shutdown Current VRON = 0V, VDD = 6V. 1 10 µA VDD Normal Operating Current VRON = 3.3V. 3 4.2 mA UVLO Threshold VDD goes high from 0V. 3.9 4.1 4.3 V UVLO Hysteresis VDD falls from above UVLO Threshold. 0.2 0.35 V Logic VRON, STP_CPU#, XPOK and SLP Input Logic Low-to-High Transition Threshold VRON, STP_CPU#, XPOK or SLP go high from 0V. 1.9 2.31 V VRON, STP_CPU#, XPOK and SLP Input Logic High-to-Low Transition Threshold VRON, STP_CPU#, XPOK or SLP fall from 3.3V. 0.99 1.43 V CLK_EN# Sink Current CLK_EN# = 0.1V and asserted. 2 3.2 mA Power Good Power Good Upper Threshold As a Percentage of VREF SENSE voltage goes high from 0V. 108 112 116 % Power Good Lower Threshold As a Percentage of VREF SENSE voltage falling from above VREF. 84.5 87 90.5 % Hysteresis 2% Power Good Delay 3.6 µs PGOOD Sink Current PGOOD = 0.1V and asserted. 2 3mA Output Voltage Slew Rate Control I SS1 SS Pin Charging Current During Soft Start SS = 0V. 16 22 32 µA I SS2 SS Pin Discharging Current During Soft Shutdown 33 45 57 µA www.national.com 6 |
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