TL594_10 Datasheet, PDF (6/19 Pages) Texas Instruments – PULSE-WIDTH-MODULATION CONTROL CIRCUIT

TL594
PULSE-WIDTH-MODULATION CONTROL CIRCUIT
SLVS052G – APRIL 1988 – REVISED JANUARY 2007
PARAMETER MEASUREMENT INFORMATION (continued)
V_CC = 15 V
Test
Inputs
50 kW
4
3
12 kW
6
5
DTC
12
V_CC
FEEDBACK
TL594
RT
CT
8
C1
E1 ⁹
C2 ¹¹
E2 ¹⁰
0.01 µF
1
2
IN+
IN-
16 IN+
15 ^IN-
Error
Amplifiers
13 _OUTPUT
CTRL
GND
7
REF ¹⁴
150 W
2W
150 W
2W
Output 1
Output 2
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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
V_CC
0V
V_CC
0V
0%
6
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