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| TPS73101 Datasheet, PDF (8/16 Pages) Texas Instruments – Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection | |||
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TPS73101, TPS73115, TPS73118
TPS73125, TPS73130, TPS73132
TPS73133, TPS73150
SBVS034E â SEPTEMBER 2003 â REVISED SEPTEMBER 2004
www.ti.com
TYPICAL CHARACTERISTICS (continued)
For all voltage versions at TJ= 25°C, VIN = VOUT(nom) + 0.5V, IOUT = 10mA, VEN = 1.7V, and COUT = 0.1µF, unless otherwise
noted.
PSRR (RIPPLE REJECTION) vs FREQUENCY
90
80
IOUT = 100mA
COUT = Any
IOUT = 1mA
COUT = 1µF
70
IOUT = 1mA
60
COUT = 10µF
50
IOUT = 1mA
40 COUT = Any
30
IO = 100mA
CO = 1µF
20
IOUT = 100mA
10
IOUT = Any
COUT = 10µF
0
COUT = 0µF
10
100
1k
10k
100k
1M
10M
Frequency (Hz)
Figure 15.
NOISE SPECTRAL DENSITY
CNR = 0µF
1
COUT = 1µF
PSRR (RIPPLE REJECTION) vs VIN - VOUT
40
35
30
25
20
15
10
Frequency = 100kHz
5 COUT = 10µF
VOUT = 2.5V
0
0 0.2 0.4 0.6 0.8 1.0 1.2
VIN â VOUT (V)
1.4 1.6
1.8 2.0
Figure 16.
NOISE SPECTRAL DENSITY
CNR = 0.01µF
1
COUT = 0µF
0.1
COUT = 10µF
IOUT = 150mA
0.01
10
100
1k
10k
Frequency (Hz)
Figure 17.
RMS NOISE VOLTAGE vs COUT
60
50
VOUT = 5.0V
40
30 VOUT = 3.3V
20
VOUT = 1.5V
10
CNR = 0.01µF
10Hz < Frequency < 100kHz
0
0.1
1
COUT (µF)
Figure 19.
100k
10
COUT = 1µF
0.1
IOUT = 150mA
0.01
10
100
1k
Frequency (Hz)
Figure 18.
COUT = 0µF
COUT = 10µF
10k
100k
RMS NOISE VOLTAGE vs CNR
140
VOUT = 5.0V
120
100
80 VOUT = 3.3V
60
40 VOUT = 1.5V
20 COUT = 0µF
0 10Hz < Frequency < 100kHz
1p
10p
100p
1n
10n
CNR (F)
Figure 20.
8
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