Datasheet

       
    
 
SLVS293D − NOVEMBER 2000 − REVISED MAY 2002
11
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
t − Time − µs
TPS75515
LOAD TRANSIENT RESPONSE
I − Output Current − A
O
V
O
∆
− Change in Output Voltage − mV
−100
0
0604020 80 100 140120 160 180 200
0
50
−50
V
O
= 1.5 V
C
o
= 100 µF
−150
5
di
dt
+
1.25 A
ms
Figure 14
100
150
TPS75533
LINE TRANSIENT RESPONSE
t − Time − µs
V
I
− Input Voltage − V
−100
5.3
−50
4.3
V
O
= 3.3 V
I
O
= 5 A
C
o
= 100 µF
50
0 15010050 200 250 350300 400 450 500
Figure 15
V
O
∆
− Change in Output Voltage − mV
0
100
Figure 16
t − Time − µs
TPS75533
LOAD TRANSIENT RESPONSE
I − Output Current − A
O
−100
0
200
100
V
O
=3 .3 V
C
o
= 100 µF
5
V
O
∆
− Change in Output Voltage − mV
0604020 80 100 140120 160 180 200
di
dt
+
1.25 A
ms
0
Figure 17
t − Time (Start-Up) − ms
V
I
= 4.3 V
I
O
= 10 mA
T
J
= 25°C
0
3.3
0
0
4.3
0.2 10.4 0.6 0.8
− Output Voltage − V
V
O
Enable Voltage − V
TPS75533
OUTPUT VOLTAGE AND ENABLE VOLTAGE
vs
TIME (START-UP)