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Part Name
Description
TL494(2008) View Datasheet(PDF) - HTC Korea
Part Name
Description
Manufacturer
TL494
(Rev.:2008)
Pulse-Width-Modulation Control Circuits
HTC Korea
TL494 Datasheet PDF : 6 Pages
1
2
3
4
5
6
Pulse-Width-Modulation Control Circuits
Parameter measurement information
TL494
Vcc = 15V
TEST
INPUTS
50KΩ
Vcc
DEAD-TIME
12KΩ
0.01uF
FEEDBACK
R
T
C
T
(+)
(-)
ERROR
(+)
(-)
OUTPUT
CONTROL
GND
150 Ω
2W
150 Ω
2W
C1
OUTPUT 1
E1
OUTPUT 2
C2
E2
REF OUT
TEST CIRCUIT
VOLTAGE
Vcc
AT C1
0
VOLTAGE
Vcc
AT C2
0
VOLTAGE
AT C
T
DEAD-TIME
CONTROL
INPUT
FEEDBACK
THRESHOLD VOLTAGE
0V
THRESHOLD VOLTAGE
0.7 V
0%
DUTY
CIRCLE
0%
MAX
FIGURE 1. OPERATIONAL TEST CIRCUIT AND WAVEFORMS
2008 - Ver. 1.2
2/6
HTC
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