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
9
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 2
3.3
3.299
0 50 100 150
3.301
200 250
TPS77x33
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
I
O
– Output Current – mA
3.302
3.298
– Output Voltage – V
V
O
Figure 3
1.800
1.798
0 50 100 150
1.802
200 250
TPS77x18
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
I
O
– Output Current – mA
1.799
1.801
– Output Voltage – V
V
O
Figure 4
3.29
3.27
3.25
–40 0 40 80
3.31
3.33
3.35
120 160
T
J
– Junction Temperature – °C
TPS77x33
OUTPUT VOLTAGE
vs
JUNCTION TEMPERATURE
V
I
= 4.3 V
I
O
= 250 mA
– Output Voltage – V
V
O
Figure 5
T
J
– Junction Temperature – °C
TPS77x18
OUTPUT VOLTAGE
vs
JUNCTION TEMPERATURE
1.80
1.78
1.76
1.84
1.82
–40 0 40 80 120
V
I
= 2.8 V
160
I
O
= 1 mA
I
O
= 50 mA
I
O
= 250 mA
1.86
– Output Voltage – V
V
O