Datasheet

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PARAMETER MEASUREMENT INFORMATION
Test
Inputs
DTC
FEEDBACK
RT
CT
GND
50 kΩ
12 kΩ
0.01 µF
V
CC
REF
OUTPUT
CTRL
E2
C2
E1
C1
Output 1
Output 2
150 Ω
2 W
150 Ω
2 W
V
CC
= 15 V
TEST CIRCUIT
1IN+
V
CC
V
CC
0 V
0 V
Voltage
at C1
Voltage
at C2
Voltage
at CT
DTC
FEEDBACK
0 V
0.7 V
0%
MAX
0%
Threshold Voltage
Threshold Voltage
VOLTAGE WAVEFORMS
Duty Cycle
Error
Amplifiers
7
14
12
8
9
11
10
4
3
6
5
1
2
16
15
13
1IN−
2IN−
2IN+
TL494
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS074E – JANUARY 1983 – REVISED FEBRUARY 2005
Figure 1. Operational Test Circuit and Waveforms
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