TL594_07 Datasheet, PDF (8/19 Pages) Texas Instruments – PULSE-WIDTH-MODULATION CONTROL CIRCUIT

TL594
PULSE-WIDTH-MODULATION CONTROL CIRCUIT
SLVS052G – APRIL 1988 – REVISED JANUARY 2007
TYPICAL CHARACTERISTICS
OSCILLATOR FREQUENCY AND FREQUENCY VARIATION^(A)
vs
100 k
40 k
TIMING RESISTANCE
V_CC = 15 V
T_A = 25°C
-2%
10 k
-1%
0.001 µF
4k
0.01 µF
0%
1k
0.1 µF
400
100
C_T = 1 µF
40
Df = 1%
(see Note A)
10
1k
4 k 10 k
40 k 100 k 400 k 1 M
R_T - Timing Resistance - W
A. Frequency variation (∆f) is the change in oscillator frequency that occurs over the full temperature range.
Figure 5.
AMPLIFIER VOLTAGE AMPLIFICATION
vs
FREQUENCY
100
V_CC = 15 V
90
∆V_O = 3 V
80
T_A = 25°C
70
60
50
40
30
20
10
0
1
10
100 1 k 10 k 100 k 1 M
f - Frequenc y - Hz
Figure 6.
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