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TPS54872PWPG4 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS54872PWPG4 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 22 page TPS54872 SLVS436C − JULY 2002 − REVISED FEBRUARY 2005 www.ti.com 4 ELECTRICAL CHARACTERISTICS (continued) TJ = –40°C to 125°C, VI = 4 V to 6 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SLOW-START/ENABLE Enable threshold voltage, ENA 0.82 1.20 1.40 V Enable hysteresis voltage, ENA(1) 0.03 V Falling edge deglitch, ENA(1) 2.5 µs Internal slow-start time 2.6 3.35 4.1 ms STATUS Output saturation voltage, PWRGD Isink = 2.5 mA 0.18 0.30 V Leakage current, PWRGD VI = 3.6 V 1 µA CURRENT LIMIT Current limit VI = 4.5 V 9 11 A Current limit leading edge blanking time 100 ns Current limit total response time 200 ns THERMAL SHUTDOWN Thermal shutdown trip point(1) 135 150 165 °C Thermal shutdown hysteresis(1) 10 °C OUTPUT POWER MOSFETS rDS(on) Power MOSFET switches VI = 4.5 V(4) 30 60 m Ω rDS(on) Power MOSFET switches VI = 6 V(4) 25 50 m Ω (1) Specified by design (2) Static resistive loads only (3) Specified by the circuit used in Figure 7 (4) Matched MOSFETs low-side rDS(on) production tested, high-side rDS(on) production tested. |
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