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UCC28C53 Datasheet(PDF) 12 Page - Texas Instruments

No. de pieza UCC28C53
Descripción Electrónicos  UCCx8C5x BiCMOS Low-Power Current-Mode PWM Controller
PDF  48 Pages
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI - Texas Instruments

UCC28C53 Datasheet(HTML) 12 Page - Texas Instruments

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Temperature (
C)
-50
-25
0
25
50
75
100
125
10
15
20
25
30
35
40
tr (Group 1, 12 V, 1nF)
tr (Group 2, 20 V, 1nF)
tf (Group 1, 12 V, 1nF)
tf (Group 2, 20 V, 1nF)
Group 1: UCCx8C50 to
UCCx8C55
Group 2: UCC28C56H/L,
UCC28C57H/L, and
UCC28C58/9
Figure 7-17. Output Rise Time and Fall Time vs
Temperature
f -- Frequency -- kHz
50
100
90
60
0
500
80
70
CT = 220 pF
CT = 1 nF
1000
1500
2000
2500
Figure 7-18. Maximum Duty Cycle vs Oscillator
Frequency
90
100
92
94
96
98
--50
--25
0
25
50
75
100
125
Temperature ( C)
°
Figure 7-19. Maximum Duty Cycle vs Temperature
45
50
46
47
48
49
--50
--25
0
25
50
75
100
125
Temperature ( C)
°
Figure 7-20. Maximum Duty Cycle vs Temperature
Temperature (
C)
-50
-25
0
25
50
75
100
125
0.95
0.97
0.99
1.01
1.03
1.05
Group 1, VDD = 12 V
Group 2, VDD = 20 V
Group 1: UCCx8C50 to
UCCx8C55
Group 2: UCC28C56H/L,
UCC28C57H/L, and
UCC28C58/9
Figure 7-21. Current Sense Threshold Voltage vs
Temperature
Temperature (
C)
-50
-25
0
25
50
75
100
125
30
35
40
45
50
55
60
65
70
Group 1, VDD = 12 V
Group 1, VDD = 20 V
Group 1: UCCx8C50 to
UCCx8C55
Group 2: UCC28C56H/L,
UCC28C57H/L, and
UCC28C58/9
Figure 7-22. Current Sense to Output Delay Time
vs Temperature
UCC28C53, UCC28C54, UCC28C55
UCC28C56H, UCC28C57H, UCC28C57L, UCC28C59
SLUSER8 – JUNE 2022
www.ti.com
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Copyright © 2022 Texas Instruments Incorporated
Product Folder Links: UCC28C53 UCC28C54 UCC28C55 UCC28C56H UCC28C57H UCC28C57L UCC28C59



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