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TPS2592AL Datasheet(PDF) 7 Page - Texas Instruments |
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TPS2592AL Datasheet(HTML) 7 Page - Texas Instruments |
7 / 34 page Not Recommended for New Designs TPS2592AA, TPS2592AL www.ti.com SLVSC11C – JUNE 2013 – REVISED DECEMBER 2014 Electrical Characteristics (continued) –40°C ≤ TJ ≤ 125°C, VIN = 12 V, VEN /UVLO = 2 V, RILIM = 45.3 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 = 0 V, 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 TPS2592AL LATCHED Thermal fault: latched or autoretry TPS2592AA AUTO-RETRY 8.6 Timing Requirements PARAMETER TEST CONDITIONS MIN TYP MAX UNIT EN/UVLO → H to IVIN = 100 mA, 1-A resistive load TON Turn-on delay(1) 220 µs at OUT tOFFdly Turn Off delay(2) EN/UVLO ↓ to BFET↓, CBFET = 0 0.4 µs dV/dT (OUTPUT RAMP CONTROL) EN/UVLO → H to OUT = 11.7 V, CdVdT = 0 0.7 1 1.3 tdVdT Output ramp time ms EN/UVLO → H to OUT = 11.7 V, 12 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. Copyright © 2013–2014, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: TPS2592AA TPS2592AL |
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