Datasheet

TPS7101Q, TPS7133Q, TPS7148Q, TPS7150Q
TPS7101Y, TPS7133Y, TPS7148Y, TPS7150Y
LOW-DROPOUT VOLTAGE REGULATORS
SLVS092G – NOVEMBER 1994 – REVISED JANUARY 2003
18
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 17
40
30
10
0
Ripple Rejection – dB
50
60
f – Frequency – Hz
TPS7101Q
RIPPLE REJECTION
vs
FREQUENCY
70
20
10 100 1K 10K 100K 1M 10M
R
L
= 500 Ω
R
L
= 10 Ω
C
O
= 4.7 µF (CSR = 1 Ω)
No Input Capacitance
V
O
Programmed to 2.5 V
R
L
= 100 kΩ
T
A
= 25°C
V
I
= 3.5 V
Figure 18
10
M
1 M100 k10 k1 k100
Ripple Rejection – dB
f – Frequency – Hz
RIPPLE REJECTION
vs
FREQUENCY
70
60
50
40
30
20
10
0
–10
10
R
L
= 100 kΩ
R
L
= 500 Ω
R
L
= 10 Ω
TPS7133Q
C
O
= 4.7 µF (CSR = 1 Ω)
No Input Capacitance
T
A
= 25°C
V
I
= 3.5 V
Figure 19
10 M1 M100 k10 k1 k100
Ripple Rejection – dB
f – Frequency – Hz
RIPPLE REJECTION
vs
FREQUENCY
70
60
50
40
30
20
10
0
–10
10
R
L
= 100 kΩ
R
L
= 500 Ω
TPS7148Q
R
L
= 10 Ω
C
O
= 4.7 µF (CSR = 1 Ω)
No Input Capacitance
T
A
= 25°C
V
I
= 3.5 V
Figure 20
10
M
1 M100 k10 k1 k100
Ripple Rejection – dB
f – Frequency – Hz
RIPPLE REJECTION
vs
FREQUENCY
70
60
50
40
30
20
10
0
10
R
L
= 100 kΩ
R
L
= 500 Ω
R
L
= 10 Ω
C
O
= 4.7 µF (CSR = 1 Ω)
No Input Capacitance
TPS7150Q
T
A
= 25°C
V
I
= 3.5 V