Datasheet

OUT
OC
IN
EN
GND
Current
Limit
Driver
UVLO
Charge
Pump
CS
Thermal
Sense
Deglitch
(See Note A)
TPS2041B-Q1
TPS2042B-Q1
TPS2051B-Q1
www.ti.com SLVS782B – NOVEMBER 2007– REVISED OCTOBER 2011
ELECTRICAL CHARACTERISTICS (continued)
over recommended operating junction temperature range, V
I(IN)
= 5.5 V, I
O
= 0.5 A, V
I(ENx)
= 0 V (unless otherwise noted)
PARAMETER TEST CONDITIONS
(1)
MIN TYP MAX UNIT
Thermal Shutdown
(3)
Thermal shutdown threshold
(2)
135 °C
Recovery from thermal shutdown
(2)
125 °C
Hysteresis
(2)
10 °C
(3) The thermal shutdown only reacts under overcurrent conditions.
DEVICE INFORMATION
Terminal Functions (TPS2041B)
TERMINAL
I/O DESCRIPTION
NAME NO.
EN 4 I Enable input, logic low turns on power switch
GND 2 Ground
IN 5 I Input voltage
OC 3 O Overcurrent, open-drain output, active low
OUT 1 O Power-switch output
Functional Block Diagram (TPS2041B)
A. CS = Current sense
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