TL1451A
DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS024E – FEBRUARY 1983 – REVISED NOVEMBER 1999
TYPICAL CHARACTERISTICS
OPEN-LOOP VOLTAGE AMPLIFICATION
ERROR AMP MAXIMUM OUTPUT VOLTAGE SWING
vs
vs
FREQUENCY
FREQUENCY
2.25
2
90
80
V
T
= 5 V
V
T
= 5 V
CC
= 25°C
CC
= 25°C
A
A
1.75
1.5
70
60
50
1.25
1
0.75
0.5
40
30
20
0.25
0
10
0
1 k
10 k
100 k
1 M
10 M
100
1 k
10 k
100 k
1 M 2 M
f – Frequency – Hz
f – Frequency – Hz
Figure 15
Figure 16
GAIN (AMPLIFIER IN
UNITY-GAIN CONFIGURATION)
vs
FREQUENCY
10
V
T
A
= 5 V
= 25°C
CC
5
0
–5
–10
–15
–20
1 k
10 k
100 k
1 M
10 M
f – Frequency – Hz
Figure 17
14
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