Datasheet

TPS2041A, TPS2042A, TPS2043A, TPS2044A
TPS2051A, TPS2052A, TPS2053A, TPS2054A
CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES
SLVS247 – SEPTEMBER 2000
18
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 20
0.6
0.7
0.8
0.9
1
1.1
1.2
–40
0
25 85 125
V
I(IN)
= 5.5 V
V
I(IN)
= 5 V
V
I(IN)
= 4.5 V
V
I(IN)
= 2.7 V
V
I(IN)
= 3.3 V
SHORT-CIRCUIT OUTPUT CURRENT
vs
JUNCTION TEMPERATURE
T
J
– Junction Temperature – °C
– Short-circuit Output Current – A
I
OS
Figure 21
1
1.04
1.08
1.12
1.16
1.2
2.5 3 3.5 4 4.5 5 5.5 6
Threshold Trip Current – A
THRESHOLD TRIP CURRENT
vs
INPUT VOLTAGE
V
I
– Input Voltage – V
T
A
= 25°C
Load Ramp = 1 A/10 ms
Figure 22
2.1
2.15
2.2
2.25
2.3
2.35
–40 0 25 85 125
Start Threshold
Stop Threshold
UVLO – Undervoltage Lockout – V
UNDERVOLTAGE LOCKOUT
vs
JUNCTION TEMPERATURE
T
J
– Junction Temperature – °C
Figure 23
0
50
100
150
200
250
0 2.5 5 7.5 10 12.5
Current Limit Response –
Peak Current – A
CURRENT-LIMIT RESPONSE
vs
PEAK CURRENT
sµ
V
I(IN)
= 5 V
T
A
= 25°C