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TL494 Datasheet(PDF) 6 Page - E-Tech Electronics LTD

Part # TL494
Description  VOLTAGE MODE PWM CONTROL CIRCUIT
PDF  8 Pages
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Manufacturer  ETL [E-Tech Electronics LTD]
Direct Link  http://e-tech.com.hk
Logo ETL - E-Tech Electronics LTD

TL494 Datasheet(HTML) 6 Page - E-Tech Electronics LTD

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TL494
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
6 of 8
www.unisonic.com.tw
QW-R103-004. I
TEST CIRCUIT
DEAD-TIME
FEEDBACK
RT
CT
ERROR AMPLIFIER
OUTPUT CONTROL
GND
E2
C2
E1
C1
Vcc
TEST
INPUTS
1
2
3
4
5
6
7
8
9
10
11
12
14
15
16
13
Vcc=15V
2W 150
2W 150
OUTPUT 1
OUTPUT 2
VREF OUTPUT
50k
12k
0.01 F
VOLTAGE at C1
DEAD-TIME
CONTROL INPUT
FEEDBACK
VOLTAGE at C2
VOLTAGE at CT
THRESHOLD VOLTAGE
THRESHOLD VOLTAGE
FIG 1. OPERATIONAL TEST CIRCUIT AND WAVEFORMS



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