Datasheet

TPS77101/115/118/127/128/133/150 WITH RESET OUTPUT
TPS77201/215/218/227/228/233/250 WITH POWER GOOD OUTPUT
150-mA LDO REGULATORS WITH 8-PIN MSOP PACKAGING
SLVS225D – FEBRUARY 2000 – REVISED OCTOBER 2000
11
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
f – Frequency – Hz
– Output Impedance –Z
o
Ω
10 100 100k 10M
10
1
10k1k
TPS77x33
OUTPUT IMPEDANCE
vs
FREQUENCY
0.1
0.01
1M
I
O
= 1 mA
I
O
= 150 mA
Figure 9
Figure 10
100
50
0
2.7 3.2 3.7 4.2
150
200
250
4.7
TPS77x01
DROPOUT VOLTAGE
vs
INPUT VOLTAGE
V
I
– Input Voltage – V
– Dropout Voltage – mV
V
DO
T
J
= 125 °C
T
J
= –40 °C
T
J
= 25 °C
I
O
= 150 mA
Figure 11
–50
0
50
100
150
200
250
300
–40 0 40 80 120 160
TPS77x33
DROPOUT VOLTAGE
vs
JUNCTION TEMPERATURE
T
J
– Junction Temperature – °C
– Dropout Voltage – mV
V
DO
I
O
= 150 mA
I
O
= 10 mA
I
O
= 0 A