TL594 Datasheet, PDF (8/16 Pages) Texas Instruments – PULSE-WIDTH-MODULATION CONTROL CIRCUIT

TL594
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PULSEĆWIDTHĆMODULATION CONTROL CIRCUIT
SLVS052F − APRIL 1988 − REVISED NOVEMBER 2003
PARAMETER MEASUREMENT INFORMATION
VCC = 15 V
Test
Inputs
50 kΩ
4
3
12 kΩ
6
5
DTC
12
VCC
FEEDBACK
TL594
RT
CT
C1 ⁸
E1 ⁹
C2 ¹¹
E2 ¹⁰
0.01 µF
1
2
IN+
IN−
16 IN+
15 ^IN−
Error
Amplifiers
150 Ω
2W
13 _OUTPUT
CTRL
GND
7
REF ¹⁴
150 Ω
2W
Output 1
Output 2
TEST CIRCUIT
Voltage
at C1
Voltage
at C2
Voltage
at CT
DTC Input
0V
Feedback
Input
0.7 V
Duty Cycle
Threshold Voltage
Threshold Voltage
MAX
0%
VOLTAGE WAVEFORMS
Figure 2. Operational Test Circuit and Waveforms
VCC
0V
VCC
0V
0%
8
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