Datasheet

TPS78915, TPS78918, TPS78925, TPS78928, TPS78930
ULTRALOW-POWER LOW-NOISE 100-mA
LOW-DROPOUT LINEAR REGULATORS
SLVS300A – SEPTEMBER 2000 – REVISED MAY 2001
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 1
100
TPS78925
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
2.510
2.495
2.485
20 60
2.500
40 80
2.515
0
– Output Voltage – V
V
O
2.505
2.490
I
O
– Output Current – mA
V
I
= 3.5 V
C
o
= 4.7 µF
T
J
= 25° C
Figure 2
I
O
– Output Current – mA
20 6040 800 100
– Output Voltage – V
V
O
TPS78915
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
1.510
1.495
1.485
1.500
1.515
1.505
1.490
V
I
= 2.7 V
C
o
= 4.7 µF
T
J
= 25° C
Figure 3
2.985
2.990
2.995
3.000
3.005
3.010
3.015
020406080100
I
O
– Output Current – mA
TPS78930
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
V
I
= 4.0 V
C
o
= 4.7 µF
T
J
= 25° C
– Output Voltage – V
V
O
Figure 4
T
J
– Junction Temperature – °C
TPS78915
OUTPUT VOLTAGE
vs
JUNCTION TEMPERATURE
1.495
1.480
–40 5
1.500
–25 20
1.515
35 65
1.510
110 125
– Output Voltage – V
V
O
1.505
1.490
50
I
O
= 1 mA
V
I
= 2.7 V
C
o
= 4.7 µF
I
O
= 100 mA
–10 80
95