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| TPS783XX_10 Datasheet, PDF (7/17 Pages) Texas Instruments – 500nA IQ, 150mA, Ultra-Low Quiescent Current Low-Dropout Linear Regulator | |||
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TPS783xx
www.ti.com
SBVS133 â FEBRUARY 2010
TYPICAL CHARACTERISTICS (continued)
Over the operating temperature range of TJ = â40°C to +105°C, VIN = VOUT(TYP) + 0.5V or 2.2V, whichever is greater;
IOUT = 100mA, VEN = VIN, COUT = 1mF, and CIN = 1mF, unless otherwise noted.
TPS78330 OUTPUT SPECTRAL NOISE DENSITY
CIN = 1mF, COUT = 2.2mF, VIN = 3.5V, VOUT(NOM) = 3.0V
TPS78330
%ÎVOUT vs JUNCTION TEMPERATURE
VIN = 3.5V, VOUT(NOM) = 3.0V
100
3
10
1
0.1
0.01 1mA = 130mVRMS
50mA = 134mVRMS
150mA = 138.0mVRMS
0.001
10
100
1k
Frequency (Hz)
Figure 11.
150mA
50mA
1mA
10k
100k
2
100mA 10mA
1
0
150mA
-1
5mA
-2
-3
-40 -25 -10 5
20 35 50 65 80 95 110 125
TJ (°C)
Figure 12.
TPS78330 RIPPLE REJECTION vs FREQUENCY
VIN = 3.5V, VOUT(NOM = 3.0V, COUT = 2.2mF
80
70
1mA
60
50
50mA
40
30
20
150mA
10
0
10
100
1k
10k
100k
1M
Frequency (Hz)
Figure 13.
TPS78330 INPUT VOLTAGE RAMP vs
OUTPUT VOLTAGE
VIN
Enable
VIN = 0.0V to 5.0V
VOUT = 3.0V
IOUT = 150mA
COUT = 10mF
Load Current
0V
VOUT
Time (20ms/div)
Figure 14.
TPS78330 OUTPUT VOLTAGE vs
ENABLE (SLOW RAMP)
VIN
Enable
VOUT
TPS78330 INPUT VOLTAGE vs
DELAY TO OUTPUT
VIN = 5.5V
VOUT = 3.0V
IOUT = 150mA
VIN
COUT = 10mF
VIN = 5.5V
Load Current
VOUT = 3.0V
IOUT = 150mA
COUT = 10mF
0V
Time (20ms/div)
Figure 15.
VENABLE
VOUT
Time (500ms/div)
Figure 16.
Copyright © 2010, Texas Instruments Incorporated
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