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UCC28070PW Datasheet(PDF) 10 Page - Texas Instruments

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Part # UCC28070PW
Description  Interleaving Continuous Conduction Mode PFC Controller
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

UCC28070PW Datasheet(HTML) 10 Page - Texas Instruments

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IVINAC vs Temperature
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
-50
0
50
100
150
Tem perature (C)
VINAC = 0.2V
VINAC = 1.0V
VINAC = 2.0V
VINAC = 2.5V
VINAC = 2.85V
Norm alized Change in Sw itching Frequency over Tem perature
-0.010
-0.008
-0.005
-0.003
0.000
0.003
0.005
0.008
0.010
-60
-40
-20
0
20
40
60
80
100
120
140
Tem perature (C)
RT = 24.9kohm
RT = 75.0kohm
RT = 249kohm
RT = 750kohm
Voltage Am plifier Transconductance over Tem perature
50
55
60
65
70
75
80
-60
-40
-20
0
20
40
60
80
100
120
140
Tem perature (C)
Voltage Amplifier Transfer Function
-140.00
-120.00
-100.00
-80.00
-60.00
-40.00
-20.00
0.00
20.00
40.00
2.5
2.6
2.7
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
VSESNE (V)
UCC28070
SLUS794A – NOVEMBER 2007 – REVISED MARCH 2008
TYPICAL CHARACTERISTICS (continued)
Figure 7.
Figure 8.
Figure 9.
Figure 10.
10
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Copyright © 2007–2008, Texas Instruments Incorporated
Product Folder Link(s): UCC28070


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