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TPS54372PWPG4 Datasheet(PDF) 4 Page - Texas Instruments |
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TPS54372PWPG4 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 21 page www.ti.com TPS54372 SLVS430D – JUNE 2002 – REVISED FEBRUARY 2005 ELECTRICAL CHARACTERISTICS (continued) T J = –40°C to 125°C, VI = 3 V to 6 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT PWM COMPARATOR PWM comparator propagation delay time, PWM comparator input to PH pin (excluding 10-mV overdrive(1) 70 85 ns dead time) 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, STATUS Isink = 2.5 mA 0.18 0.30 V Leakage current, STATUS VI= 3.6 V 1 µA CURRENT LIMIT VI = 3 V(1) 4 6.5 Current limit A VI= 6 V (1) 4.5 7.5 Current limit leading edge blanking time(1) 100 ns Current limit total response time(4) 200 ns THERMAL SHUTDOWN Thermal shutdown trip point(4) 135 150 165 °C Thermal shutdown hysteresis(4) 10 °C OUTPUT POWER MOSFETs VI = 6 V(5) 59 88 rDS(on) Power MOSFET switches m Ω VI = 3 V(5) 85 136 (4) Specified by design (5) Matched MOSFETs low-side rDS(on), and high-side rDS(on) production tested. 4 |
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