Datasheet

TPS78915, TPS78918, TPS78925, TPS78928, TPS78930
ULTRALOW-POWER LOW-NOISE 100-mA
LOW-DROPOUT LINEAR REGULATORS
SLVS300A – SEPTEMBER 2000 – REVISED MAY 2001
11
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 20
3.7
TPS78915
LINE TRANSIENT RESPONSE
t – Time – µs
0604020 80 100 140120 160 180 200
I
O
= 10 mA
C
o
= 4.7 µF
2.7
20
0
V
O
– Output Voltage – mVV
I
– Input Voltage – V
–20
Figure 21
t – Time – µs
TPS78915
LOAD TRANSIENT RESPONSE
0
0
0604020 80 100 140120 160 180 200
Current Load – mA
100
V
I
= 2.7 V
C
o
= 10 µF
–200
–400
V
O
Output Voltage – mV
∆
– Change In
Figure 22
20
TPS78930
LINE TRANSIENT RESPONSE
V
O
t – Time – µs
0604020 80 100 140120 160 180 200
– Output Voltage – mV
I
O
= 10 mA
C
o
= 4.7 µF
V
I
– Input Voltage – V
0
5
4.5
4
–20
Figure 23
t – Time – µs
TPS78930
LOAD TRANSIENT RESPONSE
0
0604020 80 100 140120 160 180
100
0
–100
–200
V
O
Output Voltage – mV
∆
– Change In
100
200
– Output Current – mA
I
O
V
I
= 4 V
C
o
= 4.7 µF