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UCC28C43DGK Datasheet(PDF) 14 Page - Texas Instruments

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Part No. UCC28C43DGK
Description  BiCMOS LOW-POWER CURRENT-MODE PWM CONTROLLER
Download  32 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

UCC28C43DGK Datasheet(HTML) 14 Page - Texas Instruments

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UCC28C40, UCC28C41, UCC28C42, UCC28C43, UCC28C44, UCC28C45
UCC38C40, UCC38C41, UCC38C42, UCC38C43, UCC38C44, UCC38C45
SLUS458E -- AUGUST 2001 -- REVISED OCTOBER 2010
14
www.ti.com
TYPICAL CHARACTERISTICS
Figure 17
5
0
10
15
20
25
200 k
400 k
600 k
800 k
0k
1M
1-nF LOAD
NO LOAD
SUPPLY CURRENT
vs
OSCILLATOR FREQUENCY
f -- Frequency -- Hz
Figure 18
--50
2.1
3.0
2.9
2.7
2.6
2.4
2.2
2.0
2.3
2.5
2.8
--25
0
25
50
75
100
125
SUPPLY CURRENT
vs
TEMPERATURE
TJ -- Temperature -- °C
NO LOAD
Figure 19
OUTPUT RISE TIME AND FALL TIME
vs
TEMPERATURE
10
15
40
35
30
20
25
tf
tr
(1 nF)
--50
--25
0
25
50
75
100
125
TJ -- Temperature -- °C
(1 nF)
10% to 90%
VDD =12V
Figure 20
f -- Frequency -- kHz
MAXIMUM DUTY CYCLE
vs
OSCILLATOR FREQUENCY
50
100
90
60
0
500
80
70
CT = 220 pF
CT = 1 nF
1000
1500
2000
2500


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