Datasheet

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TPS2045B , TPS2055B
TPS2046B , TPS2047B
SLVS532C – JULY 2004 – REVISED OCTOBER 2007
ELECTRICAL CHARACTERISTICS (continued)
over recommended operating junction temperature range, V
I(IN)
= 5.5 V, I
O
= 0.25 A, V
I( ENx)
= 0 V (unless otherwise noted)
PARAMETER TEST CONDITIONS
(1)
MIN TYP MAX UNIT
SUPPLY CURRENT (TPS2047B)
T
J
= 25 ° C 0.5 2
Supply current, low-level output No load on OUT, V
I(/ENx)
= 5.5 V μ A
– 40 ° C ≤ T
J
≤ 125 ° C 0.5 10
T
J
= 25 ° C 65 90
Supply current, high-level output No load on OUT, V
I(/ENx)
= 0 V μ A
– 40 ° C ≤ T
J
≤ 125 ° C 65 110
OUT connected to ground,
Leakage current – 40 ° C ≤ T
J
≤ 125 ° C 1 μ A
V
I(/ENx)
= 5.5 V
Reverse leakage current V
I(OUTx)
= 5.5 V, INx = ground
(3)
T
J
= 25 ° C 0.2 μ A
UNDERVOLTAGE LOCKOUT
Low-level input voltage, IN, INx 2 2.5 V
Hysteresis, IN, INx T
J
= 25 ° C 75 mV
OVERCURRENT OC and OCx
Output low voltage, V
OL(/OCx)
I
O(/OCx)
= 5 mA 0.4 V
Off-state current
(3)
V
O(/OCx)
= 5 V or 3.3 V 1 μ A
OC deglitch
(3)
OCx assertion or deassertion 4 8 15 ms
THERMAL SHUTDOWN
(4)
Thermal shutdown threshold
(3)
135 ° C
Recovery from thermal shutdown
(3)
125 ° C
Hysteresis
(3)
10 ° C
(3) Not tested in production, specified by design.
(4) The thermal shutdown only reacts under overcurrent conditions.
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