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10 100 1 k 10 k
10
40
80
100 k 1 M 10 M
Ripple Rejection (dB)
Frequency (Hz)
I
OUT
= 10 mA
50
0
V
IN
= 3.8 V
C
OUT
= 10 µF
C
NR
= 0.01 µF
I
OUT
= 200 mA
20
30
60
70
90
100
10 100 1 k 10 k
20
60
100
100 k 1 M 10 M
Ripple Rejection (dB)
Frequency (Hz)
V
IN
= 3.8 V
C
OUT
= 2.2 µF
C
NR
= 0.01 µF
I
OUT
= 10 mA
I
OUT
= 200 mA
40
70
90
30
50
80
10
0
10 100 1 k 10 k
20
60
100
100 k 1 M 10 M
Ripple Rejection (dB)
Frequency (Hz)
V
IN
= 3.8 V
C
OUT
= 2.2 µF
C
NR
= 0.1 µF
I
OUT
= 10 mA
I
OUT
= 200 mA
40
70
90
30
50
80
10
0
3
Time (µs)
0 604020 80 100 140120 160 180 200
V
IN
= 3.8 V
V
OUT
= 2.8 V
I
OUT
= 200 mA
C
OUT
= 2.2 µF
T
J
= 25°C
1
2
0
0
2
C
NR
= 0.0047 µF
C
NR
= 0.01 µF
4
C
NR
= 0.001 µF
V
EN
(V)V
OUT
(V)
Time (µs)
0 302010 40 50 7060 80 90 100
I
OUT
= 200 mA
C
OUT
= 2.2 µF
C
NR
= 0.01 µF
0
-20
3.8
dv
dt
+
0.4 V
µs
20
4.8
V
IN
(mV) V
OUT
(mV)
Time (µs)
0
0 15010050 200 250 350300 400 450
20
0
−20
100
500
V
IN
= 3.8 V
C
OUT
= 10 µF
−40
200
300
di
dt
+
0.02A
µs
1mA
I
OUT
(mA) ∆V
OUT
(mV)
500 mV/div
1s/div
V
IN
V
OUT
V
OUT
= 3 V
R
L
= 15 Ω
100
50
0 20 40 60 80 100 120
150
200
250
140 160 180 200
0
I
OUT
(mA)
T
J
= 125°C
T
J
= 25°C
T
J
= −55°C
V
DO
(mV)
0
50
100
150
200
2.5 3.0 3.5 4.0 4.5
5.0
V
IN
(V)
I
OUT
= 200 mA
T
J
= 25°C
T
J
= −40°C
T
J
= 125°C
V
DO
(mV)
TPS793xx
SLVS348K – JULY 2001 – REVISED OCTOBER 2007
TYPICAL CHARACTERISTICS (SOT23 PACKAGE) (continued)
TPS79328 TPS79328 TPS79328
RIPPLE REJECTION RIPPLE REJECTION RIPPLE REJECTION
vs vs vs
FREQUENCY FREQUENCY FREQUENCY
Figure 11. Figure 12. Figure 13.
TPS79328 OUTPUT VOLTAGE,
ENABLE VOLTAGE
vs TPS79328 TPS79328
TIME (START-UP) LINE TRANSIENT RESPONSE LOAD TRANSIENT RESPONSE
Figure 14. Figure 15. Figure 16.
TPS79301
DROPOUT VOLTAGE DROPOUT VOLTAGE
vs vs
POWER-UP / POWER-DOWN OUTPUT CURRENT INPUT VOLTAGE
Figure 17. Figure 18. Figure 19.
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