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TPS2592BLDRCT Datasheet(PDF) 6 Page - Texas Instruments |
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TPS2592BLDRCT Datasheet(HTML) 6 Page - Texas Instruments |
6 / 34 page Not Recommended for New Designs TPS2592BA, TPS2592BL SLVSCU2 – DECEMBER 2014 www.ti.com Electrical Characteristics (continued) –40°C ≤ TJ ≤ 125°C, VIN = 5 V, VEN /UVLO = 2 V, RILIM = 100 kΩ, CdVdT = OPEN. All voltages referenced to GND (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OUT (PASS FET OUTPUT) TJ = 25°C 21 28 33 RDS(on) FET ON resistance m Ω TJ = 125°C 39 46 IOUT-OFF-LKG VEN/UVLO = 0 V, VOUT = 0 V (Sourcing) –5 0 1 OUT Bias current in off state µA IOUT-OFF-SINK VEN/UVLO = 0V, VOUT = 300 mV (Sinking) 10 15 20 BFET (BLOCKING FET GATE DRIVER) IBFET BFET Charging current(1) VBFET = VOUT 2 µA VVIN + VBFETmax BFET Clamp voltage(1) V 6.4 BFET Discharging resistance to RBFETdisch VEN/UVLO = 0 V, IBFET = 100 mA 15 26 36 Ω GND TSD (THERMAL SHUT DOWN) TSHDN TSD Threshold, rising(1) 160 °C TSHDNhyst TSD Hysteresis(1) 10 °C TPS2592BL LATCHED Thermal fault: latched or autoretry TPS2592BA AUTO-RETRY 8.6 Timing Requirements PARAMETER TEST CONDITIONS MIN TYP MAX UNIT EN/UVLO → H to IVIN = 100 mA, 1-A resistive load at TON Turn-on delay(1) 220 µs OUT tOFFdly Turn Off delay(2) EN ↓ to BFET↓, CBFET = 0 0.4 µs dV/dT (OUTPUT RAMP CONTROL) EN/UVLO → H to OUT = 4.9 V, CdVdT = 0 0.28 0.4 0.52 tdVdT Output ramp time ms EN/UVLO → H to OUT = 4.9 V, 5 CdVdT = 1 nF (2) ILIM (CURRENT LIMIT PROGRAMMING) tFastOffDly Fast-Trip comparator delay(2) IOUT > IFASTRIP to IOUT= 0 (Switch Off) 3 µs BFET (BLOCKING FET GATE DRIVER) EN/UVLO → H to VBFET = 12 V, CBFET = 1 nF 4.2 tBFET-ON BFET Turn-On duration(2) ms EN/UVLO → H to VBFET = 12 V, CBFET = 10 nF 42 EN/UVLO → L to VBFET = 1 V, CBFET = 1 nF 0.4 tBFET-OFF BFET Turn-Off duration(2) µs EN/UVLO → L to VBFET = 1 V, CBFET = 10 nF 1.4 (1) These parameters are provided for reference only and do not constitute part of TI's published device specifications for purposes of TI's product warranty. (2) These parameters are provided for reference only and do not constitute part of TI's published device specifications for purposes of TI's product warranty. 6 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated Product Folder Links: TPS2592BA TPS2592BL |
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