Datasheet

TPS40195
www.ti.com SLUS720E –FEBRUARY 2007–REVISED JULY 2012
ELECTRICAL CHARACTERISTICS (continued)
T
J
= –40°C to 85°C, V
VDD
= 12 V
dc
, all parameters at zero power dissipation (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
OV
Feedback voltage limit for power good 650
V
UV
Feedback voltage limit for power good 530 mV
V
PG_HYST
Powergood hysteresis voltage at FB pin 30
R
PGD
Pulldown resistance of PGD pin V
FB
< 530 mV or V
FB
> 650 mV 7 20 Ω
I
PDGLK
Leakage current 530 mV ≤ V
FB
≤ 650 mV V
PGOOD
= 5V 7 12 μA
BOOT DIODE
V
DFWD
Bootstrap diode forward voltage I
BOOT
= 5 mA 0.5 0.8 1.2 V
THERMAL SHUTDOWN
T
JSD
Junction shutdown temperature
(3)
150
°C
T
JSDH
Hysteresis
(3)
20
(3) Specified by design. Not production tested.
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