TPS767D3xx
SLVS209H–JULY 1999–REVISED AUGUST 2008......................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS (continued)
OUTPUT SPECTRAL NOISE DENSITY
OUTPUT IMPEDANCE
vs
DROPOUT VOLTAGE
vs
vs
FREQUENCY
FREQUENCY
FREE-AIR TEMPERATURE
−5
3
10
0
−1
−2
10
VIN = 4.3V
VIN = 4.3V
COUT = 10mF
TA = +25°C
COUT = 10mF
TA = 25°C
IOUT = 1A
2
10
IOUT = 1mA
IOUT = 7mA
−6
10
1
10
10
IOUT = 1A
IOUT = 10mA
0
10
−7
10
−1
10
10
IOUT = 1A
IOUT = 0
VOUT = 3.3V
COUT = 10mF
−8
10
−2
10
2
3
4
5
10
−60 −40 −20
T
0
20 40 60 80 100 120 140
10
10
10
1
2
3
4
5
6
10
10
10
10
10
10
f - Frequency - Hz
A - Free-Air Temperature - °C
f - Frequency - Hz
Figure 11.
Figure 12.
Figure 13.
LINE TRANSIENT RESPONSE
LOAD TRANSIENT RESPONSE
LINE TRANSIENT RESPONSE
100
VOUT = 1.8V
VIN = 2.8V
VOUT = 3.3V
COUT = 10mF
TA = +25°C
3.8
2.8
50
0
COUT = 100mF
TA = +25°C
5.3
−50
VOUT = 1.8V
IOUT = 10mA
COUT = 10mF
TA = +25°C
4.3
10
0
−100
1
20
0.5
0
0
−10
−20
0
20 40 60 80 100 120 140 160 180 200
0
20 40 60 80 100 120 140 160 180 200
0
20 40 60 80 100 120 140 160 180 200
t - Time - ms
t - Time - ms
t - Time - ms
Figure 14.
Figure 15.
Figure 16.
OUTPUT VOLTAGE
vs
TIME (AT START-UP)
DROPOUT VOLTAGE
vs
LOAD TRANSIENT RESPONSE
INPUT VOLTAGE
100
900
800
700
600
500
400
300
200
4
IOUT = 1A
VOUT = 3.3V
COUT = 100mF
TA = +25°C
50
0
3
2
1
−50
−100
1
TA = +125°C
TA = +25°C
0
0.5
0
TA = -40°C
0
100
0
0
20 40 60 80 100 120 140 160 180 200
2.5
3
3.5
4
4.5
5
0
20 40 60 80 100 120 140 160 180 200
t - Time - ms
VI - Input Voltage - V
t - Time - ms
Figure 17.
Figure 18.
Figure 19.
8
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