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TPS2592BA Datasheet(PDF) 4 Page - Texas Instruments |
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TPS2592BA Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 28 page  TPS2592Ax TPS2592Bx SLVSC11A – JUNE 2013 – REVISED JUNE 2013 www.ti.com ELECTRICAL CHARACTERISTICS (continued) –40°C ≤ TJ ≤ 125°C, VIN = 12V for TPS2592Ax, VIN = 5V for TPS2592Bx, VEN/UVLO = 2V, RILIM = 100kΩ, CdVdT = OPEN. All voltages referenced to GND (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ILIM (CURRENT LIMIT PROGRAMMING) IILIM ILIM Bias current 10 µA RILIM = 45.3 kΩ, VVIN-OUT = 1 V 1.79 2.10 2.42 IOL RILIM = 100 kΩ, VVIN-OUT = 1 V 3.46 3.75 4.03 A RILIM = 150 kΩ, VVIN-OUT = 1 V 4.4 5.2 6 Overload current limit RILIM = 0 Ω, Shorted Resistor Current Limit (Single Point IOL-R-Short 0.7 A Failure Test: UL60950) RILIM = OPEN, Open Resistor Current Limit (Single Point IOL-R-Open 0.55 A Failure Test: UL60950) RILIM = 45.3 kΩ, VVIN-OUT = 5 V, TPS2592Bx 1.72 2.05 2.38 RILIM = 45.3 kΩ, VVIN-OUT = 12 V, TPS2592Ax 1.66 1.98 2.29 RILIM = 100 kΩ, VVIN-OUT = 5 V, TPS2592Bx 3.14 3.56 3.98 ISCL Short-circuit current limit A RILIM = 100 kΩ, VVIN-OUT = 12 V, TPS2592Ax 2.90 3.32 3.75 RILIM = 150 kΩ, VVIN-OUT = 5 V, TPS2592Bx 4.12 4.86 5.60 RILIM = 150 kΩ, VVIN-OUT = 12 V, TPS2592Ax 3.75 4.42 5.10 Fast-Trip comparator level w.r.t. RATIOFASTRIP IFASTRIP : IOL 160% overload current limit TFastOffDly Fast-Trip comparator delay IOUT > IFASTRIP 3 µs VOpenILIM ILIM Open resistor detect threshold VILIM Rising, RILIM = OPEN 3.1 V OUT (PASS FET OUTPUT) TON Turn-on delay EN/UVLO → H to IVIN = 100mA, 1A resistive load at OUT 220 µs TJ = 25°C 21 28 33 RDSon FET ON resistance m Ω TJ = 125°C (1) 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 VBFET = VOUT 2 µA VBFETmax BFET Clamp voltage VVIN+6.4 V RBFETdisch BFET Discharging resistance VEN/UVLO = 0 V, IBFET = 100 A 15 26 36 Ω EN/UVLO → H to VBFET = 12 V, CBFET = 1 nF 4.2 TBFET-ON BFET Turn-on duration 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 µs EN/UVLO → L to VBFET = 1 V, CBFET = 10 nF 1.4 TSD (THERMAL SHUT DOWN) TSHDN TSD Threshold, rising(1) 160 °C TSHDNhyst TSD Hysteresis(1) 10 °C TPS2592xL LATCHED Thermal fault: latched or autoretry AUTO- TPS2592xA RETRY (1) The limits for these parameters are specified based on characterization data, and are not tested during production. 4 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated Product Folder Links: TPS2592Ax TPS2592Bx |
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