Datasheet

TPS7415, TPS7418, TPS7425, TPS7430, TPS7433
FAST-TRANSIENT-RESPONSE USING SMALL OUTPUT CAPACITOR
200-mA LOW-DROPOUT VOLTAGE REGULATORS
SLVS212 – DECEMBER 1999
9
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 15
–200
5.3
4.3
200
0
TPS7433
LINE TRANSIENT RESPONSE
t – Time – ms
0 0.30.20.1 0.4 0.5 0.70.6 0.8 0.9 1
C
O
= 1 µF
V
O
– Change in
V
I
– Input Voltage – V
∆
Output Voltage – mV
Figure 16
–50
200
50
0
100
0
0
C
O
= 10 µF
TPS7433
LOAD TRANSIENT RESPONSE
I – Output Current – mA
O
V
O
– Change in
∆
Output Voltage – mV
–50
200 mA
25 µs
di/dt =
t – Time – ms
0 0.30.20.1 0.4 0.5 0.70.6 0.8 0.9 1
t – Time – ms
TPS7433
OUTPUT VOLTAGE
vs
TIME (AT STARTUP)
4
2
0.60.40.2 0.8 1 1.41.2 1.6 1.8 20
V
O
– Output Voltage – V
5
0
Enable Pulse – V
0
V
I
= 7 V
Figure 17