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TL494CD 데이터시트(PDF) 6 Page - ON Semiconductor

부품명 TL494CD
상세설명  SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT
PDF  12 Pages
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제조업체  ONSEMI [ON Semiconductor]
홈페이지  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

TL494CD 데이터시트(HTML) 6 Page - ON Semiconductor

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TL494, NCV494
http://onsemi.com
6
Figure 4. Open Loop Voltage Gain and
Phase versus Frequency
Figure 5. Percent Deadtime versus
Oscillator Frequency
Figure 6. Percent Duty Cycle versus
Deadtime Control Voltage
1.0
10
100
1.0 k
10 k
100 k
1.0 M
f, FREQUENCY (Hz)
AVOL
0
20
40
60
80
100
120
140
160
180
φ
VCC = 15 V
DVO = 3.0 V
RL = 2.0 kW
Figure 7. Emitter−Follower Configuration
Output Saturation Voltage versus
Emitter Current
500 k 1.0 k
10 k
100 k
500 k
fosc, OSCILLATOR FREQUENCY (Hz)
CT = 0.001 mF
0.001
mF
0
1.0
2.0
3.0
3.5
VDT, DEADTIME CONTROL VOLTAGE (IV)
VCC = 15 V
VOC = Vref
1.CT = 0.01 mF
2. RT = 10 kW
2.CT = 0.001 mF
2. RT = 30 kW
2
1
Figure 8. Common−Emitter Configuration
Output Saturation Voltage versus
Collector Current
0
100
200
300
400
IE, EMITTER CURRENT (mA)
0
100
200
300
400
IC, COLLECTOR CURRENT (mA)
Figure 9. Standby Supply Current
versus Supply Voltage
0
5.0
10
15
20
25
30
35
40
VCC, SUPPLY VOLTAGE (V)
120
110
100
90
80
70
60
50
40
30
20
10
0
20
18
16
14
12
10
8.0
6.0
4.0
2.0
0
50
40
30
20
10
0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
10
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0



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