TL1451A_15 Datasheet, PDF (19/36 Pages) Texas Instruments – DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS

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TL1451A
DUAL PULSEĆWIDTHĆMODULATION CONTROL CIRCUITS
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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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