TL1451A Datasheet, PDF (19/29 Pages) Texas Instruments – DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS

TL1451A
DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS024E – FEBRUARY 1983 – REVISED NOVEMBER 1999
TYPICAL CHARACTERISTICS
OUTPUT SINK CURRENT
vs
COLLECTOR OUTPUT SATURATION VOLTAGE
120
110 ^{TA = – 20°C}
100
TA = 25°C
90
TA = 85°C
80
70
60
50
40
30
20
VCC = 3.6 V
10
0
0
5
10
15
20
Collector Output Saturation Voltage – V
Figure 22
MAXIMUM OUTPUT VOLTAGE SWING
vs
FREE-AIR TEMPERATURE
VO(ref) – 0.01
1
Vref
VO(ref) – 0.02
VO(ref) – 0.03
0.9
Maximum Output Voltage
Swing (Right Scale)
0.8
VO(ref) – 0.04
0.7
VO(ref) – 0.05
Maximum Output
Voltage Swing (Right Scale)
0.6
VO(ref) – 0.06
0.5
VO(ref) – 0.07
– 25
0
25
50
75
100
TA – Free-Air Temperature – °C
Figure 23
33 kΩ
33 kΩ
+
–
RL
100 kΩ
Vvom _{– 1}
VCC = 3.6 V
RL = 100 kΩ
VOM+1 = 1.25 V
VOM _–1 = 1.15 V (Right Scale)
VOM _–1 = 1.35 V (Left Scale)
TEST CIRCUIT
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