Datasheet

TPS2550
TPS2551
SLVS736B – FEBRUARY 2008 – REVISED NOVEMBER 2008 ........................................................................................................................................ www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
over recommended operating junction temperature range, 2.5 V ≤ V
IN
≤ 6.5 V, R
ILIM
= 14.3 k Ω , V
/EN
= 0 V, or V
EN
= 5.0 V
(unless otherwise noted)
PARAMETER TEST CONDITIONS
(1)
MIN TYP MAX UNIT
UNDERVOLTAGE LOCKOUT
V
UVLO
Low-level input voltage, IN V
IN
rising 2.35 2.45 V
Hysteresis, IN T
J
= 25 ° C 25 mV
FAULT FLAG
V
OL
Output low voltage, FAULT I
/FAULT
= 1 mA 180 mV
Off-state leakage V
/FAULT
= 6.5 V 1 µ A
FAULT assertion or de-assertion due to overcurrent condition 5 7.5 10 ms
FAULT deglitch
FAULT assertion or de-assertion due to reverse-voltage
2 4 6 ms
condition
THERMAL SHUTDOWN
Thermal shutdown threshold 155 ° C
Thermal shutdown threshold in current-limit 135 ° C
Hysteresis 15 ° C
4 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): TPS2550 TPS2551