Datasheet

TPS2421-1
TPS2421-2
SLUS907H –JANUARY 2009–REVISED JANUARY 2014 www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
Unless otherwise noted: 3 V ≤ V
VIN
≤ 18 V, EN = 0 V, PG = FLT = open, R
OUT
= open, R
RSET
= 49.9 kΩ, –40°C ≤ T
J
≤ 125°C,
No external capacitor connected to VOUT
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
FLT
Low level output
V
OL
V
CT
= 1.8 V, I
FLT
= 1 mA 0.2 0.4 V
voltage
Leakage current V
FLT
= 18 V 1 μA
PG
V
(VIN-VOUT)
falling 0.4 0.5 0.75
PG threshold
Hysteresis 0.1 0.25 0.4
V
Low level output
V
OL
I
PG
= 1 mA 0.2 0.4
voltage
Leakage current V
PG
= 18 V 1 μA
THERMAL SHUTDOWN
T
SD
Thermal shutdown Junction temperature rising 160
°C
Hysteresis 10
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