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TL494IDE4 Datasheet(PDF) 8 Page - Texas Instruments

Part No. TL494IDE4
Description  PULSE-WIDTH-MODULATION CONTROL CIRCUITS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TL494IDE4 Datasheet(HTML) 8 Page - Texas Instruments

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TYPICAL CHARACTERISTICS
Df = 1%
40
10
100
1 k
4 k
10 k
40 k
100 k
400 k
1 M
OSCILLATOR FREQUENCY AND
FREQUENCY VARIATION
vs
TIMING RESISTANCE
400
1 k
4 k
10 k
40 k
100 k
RT − Timing Resistance − Ω
0.1
µF
−2%
−1%
0%
0.01
µF
0.001
µF
VCC = 15 V
TA = 25°C
CT = 1 µF
Frequency variation (
∆f) is the change in oscillator frequency that occurs over the full temperature range.
10
0
100
20
1
10
100
1 M
30
f − Frequency − Hz
AMPLIFIER VOLTAGE AMPLIFICATION
vs
FREQUENCY
1 k
VCC = 15 V
∆VO = 3 V
TA = 25°C
10 k
40
50
60
70
80
90
100 k
TL494
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS074E – JANUARY 1983 – REVISED FEBRUARY 2005
Figure 5.
Figure 6.
8


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