Datasheet

TPS77301/315/316/318/327/328/333/350 WITH RESET OUTPUT
TPS77401/415/418/427/428/433/450 WITH POWER GOOD OUTPUT
250-mA LDO REGULATORS WITH 8-PIN MSOP PACKAGING
SLVS281E – FEBRUARY 2000 – REVISED JULY 2001
12
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 12
TPS77x18
LINE TRANSIENT RESPONSE
t – Time – ms
V
O
– Change in
V
I
– Input Voltage – V
∆
Output Voltage – mV
3.8
0.30.20.1 0.4 0.5 0.70.6 0.8 0.9 1
C
O
= 10 µF
T
J
= 25 °C
I
O
= 250 mA
0
0
2.8
10
–10
Figure 13
TPS77x18
LOAD TRANSIENT RESPONSE
t – Time – ms
V
O
– Change in
I
O
– Output Current – mA
∆
Output Voltage – mV
250
0.60.40.2 0.8 1 1.41.2 1.6 1.8 2
C
O
= 10 µF
T
J
= 25 °C
I
O
= 250 mA
0
–50
+50
0
0
Figure 14
TPS77x33
LINE TRANSIENT RESPONSE
t – Time – ms
V
O
– Change in
V
I
– Input Voltage – V
∆
Output Voltage – mV
5.3
0.30.20.1 0.4 0.5 0.70.6 0.8 0.9 1
C
O
= 10 µF
T
J
= 25 °C
I
O
= 250 mA
0
0
4.3
10
–10
Figure 15
TPS77x33
LOAD TRANSIENT RESPONSE
t – Time – ms
V
O
– Change in∆
Output Voltage – mV
0
0.30.20.1 0.4 0.5 0.70.6 0.8 0.9 1
C
O
= 10 µF
T
J
= 25 °C
I
O
= 250 mA
0
0
250
–50
–100
I
O
– Output Current – mA