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TPS22985YFP Datasheet(PDF) 5 Page - Texas Instruments |
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TPS22985YFP Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 20 page  TPS22985 www.ti.com SLVSBA9B – MARCH 2012 – REVISED JUNE 2012 ELECTRICAL CHARACTERISTICS (continued) Unless otherwise noted the specification applies over the VDD range and operating junction temp –40°C ≤ TJ ≤ 85°C. Typical values are for VDD = 3.3V and TJ = 25°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT THERMAL SHUTDOWN TSD Shutdown temperature 110 130 °C TSDHYST Shutdown hysteresis 15 °C TRANSITION TIMING td UVLO to FETn open time 200 µs COUTB = 4 µF, te UVLO to FETn closed time 2 ms COUTA = 1 µF tdh HVLO to FETn open time 20 µs See The Supply Switch-Over During HVLO teh HVLO to FETn closed time Section TRANSITION TIMING (NORMAL MODE) teb ENB to FET3/4 closed time 2 ms COUTB = 4 µF, COUTA = 1 µF tdb ENB to FET3/4 open time 200 µs TRANSITION TIMING (CONTROL MODE) tU2R UVLO to RESETZ time 5 6 7 ms tE2R ENB to RESETZ time 2 10 µs COUTB = 4 µF, tE2O ENB to FET3/4 open time 100 200 µs COUTA = 1 µF COUTB = 4 µF, tRX2O RX to FET3/4 closed time 0.8 2 ms COUTA = 1 µF tRX2R RX to RESETZ Time 5 6 7 ms tOE2TX OE to TXH Valid Time 20 µs tOE2TXZ OE to TXH Hi-Z Time 20 µs TXC/TXH I/O (CONTROL MODE) VIH TXC Input logic high 2 V VIL TXC Input logic low 0.8 V VOH TXH Output logic high 2.25 V VOL TXH Output logic low 0.4 V TR / TF TXH Rise and fall time 10-90% CL = 20 pF 5 70 ns ZO TXH Output impedance 35 Ω fMAX TX Input signal frequency 1 Mb/s DC TX Duty cycle 40% 60% RXC/RXH I/O (CONTROL MODE) VIH RXH Input logic high 2 V VIL RXH Input logic low 0.8 V VOH RXC Output logic high 2.25 V VOL RXC Output logic low 0.4 V TR / TF RXC Rise and fall time 10-90% CL = 20 pF 20 120 ns fMAX RX Input signal frequency 1 Mb/s DC RX Duty cycle 40% 60% Copyright © 2012, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): TPS22985 |
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