Datasheet
TPS2044, TPS2054
QUAD POWER-DISTRIBUTION SWITCHES
SLVS174B – JULY 1998 – REVISED FEBRUARY 1999
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating junction temperature range, V
I(IN)
= 5.5 V,
I
O
= rated current, V
I(ENx)
= 0 V, V
I(ENx)
= Hi (unless otherwise noted)
power switch
PARAMETER
TEST CONDITIONS
†
TPS2044 TPS2054
UNIT
PARAMETER
TEST
CONDITIONS
†
MIN TYP MAX MIN TYP MAX
UNIT
V
I(INx)
= 5 V,
I
O
= 0.5 A
T
J
= 25°C,
80 95 80 95
Static drain-source on-state
resistance, 5-V operation
V
I(INx)
= 5 V,
I
O
= 0.5 A
T
J
= 85°C,
90 120 90 120
r
DS( )
V
I(INx)
= 5 V,
I
O
= 0.5 A
T
J
= 125°C,
100 135 100 135
mΩ
r
DS(on)
V
I(INx)
= 3.3 V,
I
O
= 0.5 A
T
J
= 25°C,
85 105 85 105
Static drain-source on-state
resistance, 3.3-V operation
V
I(INx)
= 3.3 V,
I
O
= 0.5 A
T
J
= 85°C,
100 135 100 135
V
I(INx)
= 3.3 V,
I
O
= 0.5 A
T
J
= 125°C,
115 150 115 150
t
Rise time out
p
ut
V
I(INx)
= 5.5 V,
C
L
= 1 µF,
T
J
= 25°C,
R
L
= 10 Ω
2.5 2.5
ms
t
r
Rise
time
,
o
u
tp
u
t
V
I(INx)
= 2.7 V,
C
L
= 1 µF,
T
J
= 25°C,
R
L
= 10 Ω
3 3
ms
t
f
Fall time out
p
ut
V
I(INx)
= 5.5 V,
C
L
= 1 µF,
T
J
= 25°C,
R
L
= 10 Ω
4.4 4.4
ms
t
f
Fall
time
,
o
u
tp
u
t
V
I(INx)
= 2.7 V,
C
L
= 1 µF,
T
J
= 25°C,
R
L
= 10 Ω
2.5 2.5
ms
†
Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account separately.
enable input ENx or ENx
PARAMETER
TEST CONDITIONS
TPS2044 TPS2054
UNIT
PARAMETER
TEST
CONDITIONS
MIN TYP MAX MIN TYP MAX
UNIT
V
IH
High-level input voltage 2.7 V ≤ V
I(INx)
≤ 5.5 V 2 2 V
V
IL
Low level in
p
ut voltage
4.5 V ≤ V
I(INx)
≤ 5.5 V 0.8 0.8 V
V
IL
Lo
w-
le
v
el
inp
u
t
v
oltage
2.7 V≤ V
I(INx)
≤ 4.5 V 0.4 0.4
I
I
In
p
ut current
TPS2044 V
I(ENx
)
= 0 V or V
I(ENx)
= V
I(IN)
–0.5 0.5
µA
I
I
Inp
u
t
c
u
rrent
TPS2054 V
I(ENx)
= V
I(INx)
or V
I(ENx)
= 0 V –0.5 0.5
µ
A
t
on
Turnon time C
L
= 100 µF, R
L
=10 Ω 20 20 ms
t
off
Turnoff time C
L
= 100 µF, R
L
=10 Ω 40 40
current limit
PARAMETER
TEST CONDITIONS
†
TPS2044 TPS2054
UNIT
PARAMETER
TEST
CONDITIONS
†
MIN TYP MAX MIN TYP MAX
UNIT
I
OS
Short-circuit output current
V
I(INx)
= 5 V, OUT connected to GND,
Device enable into short circuit
0.7 0.9 1.1 0.7 0.9 1.1 A
†
Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account separately.