Datasheet

TPS2552, TPS2553
TPS2552-1, TPS2553-1
www.ti.com SLVS841E –NOVEMBER 2008– REVISED FEBRUARY 2012
ELECTRICAL CHARACTERISTICS (continued)
over recommended operating conditions, V
EN
= 0 V, or V
EN
= V
IN
, R
FAULT
= 10 kΩ (unless otherwise noted)
PARAMETER TEST CONDITIONS
(1)
MIN TYP MAX UNIT
SUPPLY CURRENT
I
IN_off
Supply current, low-level output V
IN
= 6.5 V, No load on OUT, V
EN
= 6.5 V or V
EN
= 0 V 0.1 1 μA
R
ILIM
= 20 kΩ 120 140 μA
I
IN_on
Supply current, high-level output V
IN
= 6.5 V, No load on OUT
R
ILIM
= 210 kΩ 100 120 μA
I
REV
Reverse leakage current V
OUT
= 6.5 V, V
IN
= 0 V T
J
= 25 °C 0.01 1 μA
UNDERVOLTAGE LOCKOUT
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 μA
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 condition 2 4 6 ms
THERMAL SHUTDOWN
Thermal shutdown threshold 155 °C
Thermal shutdown threshold in
135 °C
current-limit
Hysteresis 10 °C
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