Datasheet

data sheet
TPS2375
TPS2376
TPS2377
SLVS525B – APRIL 2004 – REVISED APRIL 2008 ............................................................................................................................................................ www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
V
(VDD)
= 48 V, R
(DET)
= 24.9 k Ω , R
(CLASS)
= 255 Ω , R
(ILIM)
= 178 k Ω , and – 40 ° C ≤ T
J
≤ 125 ° C, unless otherwise noted. Positive
currents are into pins. V
(UVLO)
= 0 V for classification and V
(UVLO)
= 5 V otherwise for the TPS2376. Typical values are at 25 ° C.
All voltages are with respect to VSS unless otherwise noted.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
PG
Latchoff voltage threshold rising V
(RTN)
rising 9.5 10.0 10.5 V
PG deglitch Delay rising and falling PG 75 150 225 µs
I
(PG)
= 2 mA, V
(RTN)
= 34 V, 0.12 0.4
V
V
(VDD)
= 38 V, V
(RTN)
falling
Output low voltage
I
(PG)
= 2 mA, V
(RTN)
= 0 V, V
(VDD)
= 25 V, for 0.12 0.4
V
TPS2376 V
(UVLO)
= 0 V
Leakage current V
(PG)
= 57 V, V
(RTN)
= 0 V 0.1 1 µA
UVLO
V
(UVLO_R)
V
(VDD)
rising 38.4 39.3 40.4
V
(UVLO_F)
TPS2375 Voltage at VDD V
(VDD)
falling 29.6 30.5 31.5 V
Hysteresis 8.3 8.8 9.1
V
(VDD)
rising 2.43 2.49 2.57
TPS2376 Voltage at UVLO V
(VDD)
falling 1.87 1.93 1.98 V
Hysteresis 0.53 0.56 0.58
V
(VDD)
rising 34.1 35.1 36.0
TPS2377 Voltage at VDD V
(VDD)
falling 29.7 30.5 31.4 V
Hysteresis 4.3 4.5 4.8
TPS2376 Input leakage, UVLO V
(UVLO)
= 0 V to 5 V -1 1 µA
THERMAL SHUTDOWN
Shutdown temperature Temperature rising 135 ° C
Hysteresis 20 ° C
BIAS CURRENT
Operating current I
(VDD)
240 450 µA
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Product Folder Link(s): TPS2375 TPS2376 TPS2377