Datasheet

TPS2041B-EP
www.ti.com
SLVSAX8 SEPTEMBER 2011
ELECTRICAL CHARACTERISTICS
over recommended operating junction temperature range, V
I(IN)
= 5.5 V, I
O
= 0.5 A, V
I(EN)
= 0 V (unless otherwise noted)
PARAMETER TEST CONDITIONS
(1)
MIN TYP MAX UNIT
Power Switch
Static drain-source on-state
resistance, 5-V or 3.3-V V
I(IN)
= 5 V or 3.3 V, I
O
= 0.5 A 55°C T
J
125°C 70 135
operation
r
DS(on)
m
Static drain-source on-state
V
I(IN)
= 2.7 V, I
O
= 0.5 A 55°C T
J
125°C 75 150
resistance, 2.7-V operation
V
I(IN)
= 5.5 V 0.6
t
r
Rise time, output
V
I(IN)
= 2.7 V 0.4
C
L
= 1 μF,
T
J
= 25°C ms
R
L
= 10
V
I(IN)
= 5.5 V 0.2
t
f
Fall time, output
V
I(IN)
= 2.7 V 0.2
Enable Input (EN)
V
IH
High-level input voltage 2.7 V V
I(IN)
5.5 V 2 V
V
IL
Low-level input voltage 2.7 V V
I(IN)
5.5 V 0.8 V
I
I
Input current V
I(EN)
= 0 V or 5.5 V 1 1 μA
t
on
Turn-on time C
L
= 100 μF, R
L
= 10 3 ms
t
off
Turn-off time C
L
= 100 μF, R
L
= 10 6 ms
Current Limit
T
J
= 25°C 0.65 1 1.3
V
I(IN)
= 5 V, OUT connected to GND,
I
OS
Short-circuit output current A
device enabled into short-circuit
55°C T
J
125°C 0.45 1 1.55
Supply Current
T
J
= 25°C 0.5 1
No load on OUT,
Supply current, low-level output μA
V
I(EN)
= 5.5 V or V
I(EN)
= 0 V
55°C T
J
125°C 0.5 5
T
J
= 25°C 43 60
No load on OUT,
Supply current, high-level output μA
V
I(EN)
= 0 V or V
I(EN)
= 5.5 V
55°C T
J
125°C 43 70
OUT connected to ground,
Leakage current 55°C T
J
125°C 1 μA
V
I(EN)
= 5.5 V or V
I(EN)
= 0 V
Reverse leakage current V
I(OUT)
= 5.5 V, IN = ground T
J
= 25°C 0 μA
Undervoltage Lockout
Low-level input voltage, IN 2 2.5 V
Hysteresis, IN T
J
= 25°C 75 mV
Overcurrent (OC)
Output low voltage, V
OL(/OC)
I
O(OC)
= 5 mA 0.4 V
Off-state current V
O(OC)
= 5 V or 3.3 V 1 μA
OC deglitch OC assertion or deassertion 3 8 16 ms
Thermal Shutdown
(2)
Thermal shutdown threshold 135 °C
Recovery from thermal shutdown 125 °C
Hysteresis 10 °C
(1) Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be accounted for separately.
(2) The thermal shutdown only reacts under overcurrent conditions.
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