TL494 Ver la hoja de datos (PDF) - HTC Korea
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TL494 Datasheet PDF : 6 Pages
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Pulse-Width-Modulation Control Circuits
Parameter measurement information
Vcc = 15V
TEST
INPUTS
50KΩ
Vcc
DEAD-TIME
12KΩ
0.01uF
FEEDBACK
RT
CT
(+)
(-)
ERROR
(+)
(-)
OUTPUT
CONTROL
GND
150 Ω
2W
150 Ω
2W
C1
OUTPUT 1
E1
OUTPUT 2
C2
E2
REF OUT
TEST CIRCUIT
TL494
VOLTAGE
Vcc
AT C1
0
VOLTAGE
Vcc
AT C2
0
VOLTAGE
AT CT
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
Mar. 2006-Rev06
146
HTC
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