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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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TPS25926 Fiches technique(PDF) 6 Page - Texas Instruments |
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TPS25926 Fiches technique(HTML) 6 Page - Texas Instruments |
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6 / 35 page  TPS259250, TPS259251, TPS259260, TPS259261 SLVSCQ3A – AUGUST 2015 – REVISED AUGUST 2015 www.ti.com Electrical Characteristics (continued) –40°C ≤ TJ ≤ 125°C, VIN = 12 V for TPS25926x, VIN = 5 V for TPS25925x, VEN /UVLO = 2 V, RILIM = 100 kΩ, CdVdT = OPEN. All voltages referenced to GND (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT RILIM = 45.3 kΩ, VVIN-OUT = 5 V, TPS25925x 1.72 2.05 2.42 RILIM = 45.3 kΩ, VVIN-OUT = 12 V, TPS25926x 1.62 1.98 2.37 RILIM = 100 kΩ, VVIN-OUT = 5 V, TPS25925x 3.1 3.56 4.0 ISCL Short-circuit current limit(2) A RILIM = 100 kΩ, VVIN-OUT = 12 V, TPS25926x 2.9 3.32 3.85 RILIM = 150 kΩ, VVIN-OUT = 5 V, TPS25925x 4.22 4.95 5.69 RILIM = 150 kΩ, VVIN-OUT = 12 V, TPS25926x 3.7 4.5 5.5 Fast-Trip comparator level w.r.t. RATIOFASTRIP IFASTRIP : IOL 160% overload current limit(1) ILIM Open resistor detect VOpenILIM VILIM Rising, RILIM = OPEN 3.1 V threshold(1) OUT (PASS FET OUTPUT) TON Turn-on delay(1) EN/UVLO → H to IVIN = 100 mA, 1-A resistive load at OUT 220 µs TJ = 25°C 21 30 39 RDS(on) FET ON resistance m Ω TJ = 125°C 40 50 IOUT-OFF-LKG VEN/UVLO = 0 V, VOUT = 0 V (Sourcing) –5 0 1.2 OUT Bias current in off state µA IOUT-OFF-SINK VEN/UVLO = 0V, VOUT = 300 mV (Sinking) 10 15 20 THERMAL SHUT DOWN (TSD) TSHDN TSD Threshold, rising(1) 150 °C TSHDNhyst TSD Hysteresis(1) 10 °C TPS259250, TPS259260 LATCHED Thermal fault: latched or autoretry TPS259251, TPS259261 AUTO-RETRY 7.6 Timing Requirements PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tOFFdly Turn Off delay(1) EN ↓ 0.4 µs dV/dT (OUTPUT RAMP CONTROL) TPS25926x, EN/UVLO → H to OUT = 11.7 V, CdVdT = 0.7 1 1.3 0 TPS25925x, EN/UVLO → H to OUT = 4.9 V, CdVdT = 0 0.28 0.4 0.52 tdVdT Output ramp time ms TPS25926x, EN/UVLO → H to OUT = 11.7 V, 12 CdVdT = 1 nF (1) TPS25925x, EN/UVLO → H to OUT = 4.9 V, 5 CdVdT = 1 nF (1) ILIM (CURRENT LIMIT PROGRAMMING) tFastOffDly Fast-Trip comparator delay(1) IOUT > IFASTRIP to IOUT= 0 (Switch Off) 300 ns THERMAL SHUTDOWN (TSD) At VIN = 5 V, TPS259251 and TPS259261 110 Retry Delay after TSD Recovery, tTSDdly ms TJ < [TSHDN - 10 oC](1) At VIN = 12 V, TPS259251 and TPS259261 145 (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. 6 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated Product Folder Links: TPS259250 TPS259251 TPS259260 TPS259261 |
Numéro de pièce similaire - TPS25926 |
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Description similaire - TPS25926 |
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