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TPS2376D Datasheet(PDF) 3 Page - Texas Instruments |
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TPS2376D Datasheet(HTML) 3 Page - Texas Instruments |
3 / 25 page RECOMMENDED OPERATING CONDITIONS ELECTRICAL CHARACTERISTICS data sheet TPS2375 TPS2376 TPS2377 www.ti.com............................................................................................................................................................ SLVS525B – APRIL 2004 – REVISED APRIL 2008 MIN MAX UNIT VDD, PG, RTN 0 57 V Input voltage range UVLO 0 5 V Operating current range (sinking) RTN 0 350 mA Classification resistor(1) CLASS 255 4420 Ω R(ILIM) Inrush limit program resistor (1) 62.5 500 k Ω Sinking current PG 0 2 mA TJ Operating junction temperature -40 125 °C TA Operating free–air temperature -40 85 °C (1) Voltage should not be eternally applied to CLASS and ILIM. V(VDD) = 48 V, R(DET) = 24.9 kΩ, R(CLASS) = 255 Ω, R(ILIM) = 178 kΩ, and –40°C ≤ TJ ≤ 125°C, unless otherwise noted. Positive currents are into pins. V(UVLO) = 0 V for classification and V(UVLO) = 5 V otherwise for the TPS2376. Typical values are at 25°C. All voltages are with respect to VSS unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT DETECTION DET open, V(VDD) = V(RTN) = 1.9 V, measure Offset current 0.3 3 µA I(VDD) + I(RTN) DET open, V(VDD) = V(RTN) = 10.1 V, measure Sleep current 4 12 µA I(VDD) + I(RTN) DET leakage current V(DET) = V(VDD) = 57 V, measure I(DET) 0.1 5 µA V(RTN) = V(VDD), V(VDD) = 1.4 V 53.7 56 58.3 µA R(DET) = 24.9 kΩ, Detection current measure I(VDD) + I(RTN) + V(VDD) = 10.1 V 395 410 417 µA I(DET) CLASSIFICATION R(CLASS) = 4420 Ω, 13 ≤ V(VDD) ≤ 21 V 2.2 2.4 2.8 R(CLASS) = 953 Ω, 13 ≤ V(VDD) ≤ 21 V 10.3 10.6 11.3 I(CLASS) Classification current(1) R(CLASS) = 549 Ω, 13 ≤ V(VDD) ≤ 21 V 17.7 18.3 19.5 mA R(CLASS) = 357 Ω, 13 ≤ V(VDD) ≤ 21 V 27.1 28.0 29.5 R(CLASS) = 255 Ω, 13 ≤ V(VDD) ≤ 21 V 38.0 39.4 41.2 V(CL_ON) Classification lower threshold Regulator turns on, V(VDD) rising 10.2 11.3 13.0 V V(CU_OFF) Regulator turns off, V(VDD) rising 21 21.9 23 V Classification upper threshold V(CU_H) Hysteresis 0.5 0.78 1 V Leakage current V(CLASS) = 0 V, V(VDD) = 57 V 1 µA PASS DEVICE rDS(on) On resistance I(RTN) = 300 mA 0.58 1.0 Ω V(VDD) = V(RTN) = 30 V, 15 Leakage current µA V(UVLO) = 0 V (TPS2376) Current limit V(RTN) = 1 V 405 461 515 mA I(LIM) Inrush limit V(RTN) = 2 V, R(ILIM) = 178 kΩ 100 130 180 mA V(RTN) falling, R(ILIM) = 178 kΩ, inrush 85% 91% 100% Inrush current termination (2) state →normal operation R(ILIM) = 69.8 kΩ, V(RTN-VSS) = 5 V, 15 25 Current rise time into inrush I(RTN) = 30 mA→300 mA, V(VDD) increasing µs past upper UVLO Apply load ∞Ω→20 Ω, time measured to 2 2.5 Current limit response time µs I(RTN) = 45 mA Leakage current, ILIM V(VDD) = 15 V, V(UVLO) = 0 V 1 µA (1) Classification is tested with exact resistor values. A 1% tolerance classification resistor assures compliance with IEEE 802.3af limits. (2) This parameter specifies the RTN current value, as a percentage of the steady state inrush current, below which it must fall to make PG assert (open-drain). Copyright © 2004–2008, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): TPS2375 TPS2376 TPS2377 |
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