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UCC28C45MDREP Datasheet(PDF) 12 Page - Texas Instruments

Part # UCC28C45MDREP
Description  BiCMOS LOW-POWER CURRENT-MODE PWM CONTROLLERS
PDF  24 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

UCC28C45MDREP Datasheet(HTML) 12 Page - Texas Instruments

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TJ − Temperature − °C
9.0
9.5
8.0
7.5
7.0
8.5
−50
−25
0
25
50
75
100
125
OSCILLATOR DISCHARGE CURRENT
vs
TEMPERATURE
1 k
10 k
100 k
1 k
10 k
100 k
1 M
10 M
OSCILLATOR FREQUENCY
vs
TIMING RESISTANCE AND CAPACITANCE
CT = 220 pF
CT = 4.7 nF
CT = 2.2 nF
CT = 1 nF
CT = 470 pF
RT − Timing Resistance − W
f − Frequency − Hz
ERROR AMPLIFIER
FREQUENCY RESPONSE
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
COMP to CS OFFSET VOLTAGE (with CS = 0)
vs
TEMPERATURE
TJ − Temperature − °C
0.2
1.8
1.4
1.2
0.8
0.4
0.0
0.6
1.0
1.6
−50
−25
0
25
50
75
100
125
UCC28C4x-EP
BiCMOS LOW-POWER CURRENT-MODE PWM CONTROLLERS
SGLS352B – DECEMBER 2006 – REVISED MAY 2007
APPLICATION INFORMATION (continued)
Figure 6.
Figure 7.
Figure 8.
Figure 9.
12
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