Datasheet

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TPS40130
SLUS602B – JUNE 2004 – REVISED SEPTEMBER 2005
ELECTRICAL CHARACTERISTICS (continued)
T
A
= -40°C to 85°C, V
IN
= 12 V, R
RT
= 64.9 k Ω , T
J
= T
A
(unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
RAMP
Ramp amplitude
(3)
0.4 0.5 0.6
V
Ramp valley
(3)
1.4
POWER GOOD
PGOOD high threshold V
FB
relative to V
REF
10% 14%
PGOOD low threshold V
FB
relative to V
REF
-14% -10%
V
OL
Low-level output voltage I
PGOOD
= 4 mA 0.35 0.60 V
I
LEAK
PGOOD bias current V
PGOOD
= 5.0 V 50 80
µA
Current sense fault
(3)
Current from CS1, CS2 5
INPUT UVLO PROGRAMMABLE
Input threshold voltage, turn-on 0.9 1.0 1.1
V
Input threshold voltage, turn-off 0.810
LOAD LINE PROGRAMMING
I
DROOP
Pull-down current V
CS
= 100 mV 30 40 50 µA
(3) Ensured by design. Not production tested.
6
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