Datasheet

TPS2044, TPS2054
QUAD POWER-DISTRIBUTION SWITCHES
SLVS174B – JULY 1998 – REVISED FEBRUARY 1999
13
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 20
100
75
50
–50 –25 0 25 50 75
– Static Drain-Source On-State Resistance – m
125
150
STATIC DRAIN-SOURCE ON-STATE RESISTANCE
vs
JUNCTION TEMPERATURE
175
100 125 150
Ω
r
DS(on)
T
J
– Junction Temperature – °C
V
I(INx)
= 5 V
V
I(INx)
= 4.5 V
V
I(INx)
= 3.3 V
V
I(INx)
= 2.7 V
I
O
= 0.5 A
Figure 21
100
75
50
2.5 3 3.5 4 4.5
125
150
STATIC DRAIN-SOURCE ON-STATE RESISTANCE
vs
INPUT VOLTAGE
175
5 5.5 6
– Static Drain-Source On-State Resistance – m
Ω
r
DS(on)
V
I
– Input Voltage – V
T
J
= –40°C
T
J
= 125°C
T
J
= 85°C
T
J
= 25°C
T
J
= 0°C
I
O
= 0.5 A
Figure 22
50
25
0
0.1 0.2 0.4
– Input-to-Output Voltage – mV
75
INPUT-TO-OUTPUT VOLTAGE
vs
LOAD CURRENT
100
0.5 0.6
V
I(INx)
–
V
I(OUTx)
I
L
– Load Current – A
T
A
= 25°C
V
I(INx)
= 5 V
V
I(INx)
= 2.7 V
V
I(INx)
= 4.5 V
V
I(INx)
= 3.3 V
Figure 23
0.85
0.8
2.5 3 3.5 4
– Short-circuit Output Current – A
0.9
SHORT-CURCUIT OUTPUT CURRENT
vs
INPUT VOLTAGE
0.95
4.5 5 65.5
I
OS
V
I
– Input Voltage – V
T
J
= –40°C
T
J
= 125°C
T
J
= 25°C