Datasheet

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TYPICAL CHARACTERISTICS (SOT23 PACKAGE)
2.795
2.796
2.797
2.798
2.799
2.800
2.801
2.802
2.803
2.804
2.805
0 50 100 150 200
I
OUT
(mA)
V
IN
= 3.8 V
C
OUT
= 10 µF
T
J
= 25°C
V
OUT
(V)
0
50
100
150
200
250
−40 −25−10 5 20 35 50 65 80 95 110 125
T
J
(°C)
I
OUT
= 1 mA
V
IN
= 3.8 V
C
OUT
= 10 µF
I
OUT
= 200 mA
I
GND
(µA)
2.775
2.780
2.785
2.790
2.795
2.800
2.805
−40 −25 −10 5 20 35 50 65 80 95 110 125
T
J
(°C)
I
OUT
= 200 mA
I
OUT
= 1 mA
V
IN
= 3.8 V
C
OUT
= 10 µF
V
OUT
(V)
0
0.05
0.10
0.15
0.20
0.25
0.30
100 1 k 10 k 100 k
Frequency (Hz)
I
OUT
= 1 mA
V
IN
= 3.8 V
C
OUT
= 2.2 µF
C
NR
= 0.1 µF
I
OUT
= 200 mA
Output Spectral Noise Density (µV/√Hz)
0
0.05
0.10
0.15
0.20
0.25
0.30
100 1 k 10 k 100 k
Frequency (Hz)
I
OUT
= 1 mA
I
OUT
= 200 mA
V
IN
= 3.8 V
C
OUT
= 10 µF
C
NR
= 0.1 µF
Output Spectral Noise Density (µV/√Hz)
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
100 1 k 10 k 100 k
Frequency (Hz)
V
IN
= 3.8 V
I
OUT
= 200 mA
C
OUT
= 10 µF
C
NR
= 0.1 µF
C
NR
= 0.001 µF
C
NR
= 0.0047 µF
C
NR
= 0.01 µF
Output Spectral Noise Density (µV/√Hz)
100 1 M10 1 k
Frequency (Hz)
10 k 100 k
I
OUT
= 1 mA
0
0.5
1.0
1.5
2.0
2.5
0
I
OUT
= 100 mA
10 M
V
IN
= 3.8 V
C
OUT
= 10 µF
T
J
= 25° C
ZO (Ω)
0
20
40
60
80
100
120
140
160
180
−40 −25−10 5 20 35 50 65 80 95 110 125
I
OUT
= 200 mA
I
OUT
= 10 mA
V
IN
= 2.7 V
C
OUT
= 10 µF
T
J
(°C)
V
DO
(mV)
0.001 0.01 0.1
C
NR
(µF)
0
10
20
30
40
50
60
V
OUT
= 2.8 V
I
OUT
= 200 mA
C
OUT
= 10 µF
BW = 100 Hz to 100 kHz
RMS, Output Noise (V
RMS
)
TPS793xx
SLVS348K – JULY 2001 – REVISED OCTOBER 2007
TPS79328 TPS79328 TPS79328
OUTPUT VOLTAGE OUTPUT VOLTAGE GROUND CURRENT
vs vs vs
OUTPUT CURRENT JUNCTION TEMPERATURE JUNCTION TEMPERATURE
Figure 2. Figure 3. Figure 4.
TPS79328 OUTPUT SPECTRAL TPS79328 OUTPUT SPECTRAL TPS79328 OUTPUT SPECTRAL
NOISE DENSITY NOISE DENSITY NOISE DENSITY
vs vs vs
FREQUENCY FREQUENCY FREQUENCY
Figure 5. Figure 6. Figure 7.
ROOT MEAN SQUARE OUTPUT TPS79328
NOISE OUTPUT IMPEDANCE DROPOUT VOLTAGE
vs vs vs
C
NR
FREQUENCY JUNCTION TEMPERATURE
Figure 8. Figure 9. Figure 10.
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