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UCC28C53 Datasheet(PDF) 9 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
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UCC28C53 Datasheet(HTML) 9 Page - Texas Instruments

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7.6 Typical Characteristics
RRT Timing Resistance (k:)
1
10
100
1
10
100
1000
D001
220 pF
470 pF
1 nF
2.2 nF
4.7 nF
Figure 7-1. Oscillator Frequency vs Timing
Resistance and Capacitance
Temperature ( C)
°
9.0
9.5
8.0
7.5
7.0
8.5
--50
--25
0
25
50
75
100
125
Figure 7-2. Oscillator Discharge Current vs
Temperature
f -- Frequency -- Hz
1
10
100
10 k
100 k
1 M
10 M
1 k
10
0
20
200
180
140
120
80
40
0
60
100
160
20
30
40
50
60
70
80
90
100
GAIN
PHASE
MARGIN
Figure 7-3. Error Amplifier Frequency Response
Temperature (
C)
-50
-25
0
25
50
75
100
125
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
Group 1, VDD = 12 V
Group 2, VDD = 20 V
VCS = 0 V
Group 1: UCCx8C50 to
UCCx8C55
Group 2: UCC28C56H/L,
UCC28C57H/L, and
UCC28C58/9
Figure 7-4. COMP to CS Offset Voltage vs
Temperature
www.ti.com
UCC28C53, UCC28C54, UCC28C55
UCC28C56H, UCC28C57H, UCC28C57L, UCC28C59
SLUSER8 – JUNE 2022
Copyright © 2022 Texas Instruments Incorporated
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Product Folder Links: UCC28C53 UCC28C54 UCC28C55 UCC28C56H UCC28C57H UCC28C57L UCC28C59



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