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CS52843EDR14 Просмотр технического описания (PDF) - ON Semiconductor
Номер в каталоге
Компоненты Описание
производитель
CS52843EDR14
Current Mode PWM Control Circuit
ON Semiconductor
CS52843EDR14 Datasheet PDF : 9 Pages
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CS52843
TYPICAL PERFORMANCE CHARACTERISTICS
900
100
800
90
700
R
T
= 680
Ω
80
600
70
500
60
R
T
= 1.5 k
Ω
50
400
40
300
30
200
R
T
= 10 k
Ω
20
100
10
.0005
.001 .002
.003 .005 .01 .02 .03 .04 .05
C
T
(
μ
F)
Figure 2. Oscillator Frequency vs C
T
R
T
(
Ω
)
Figure 3. Oscillator Duty Cycle vs R
T
4.7 k
Ω
1.0 k
Ω
Error Amp
Adjust
4.7 k
Ω
2N2222
100 k
Ω
5.0 k
Ω
Sense
Adjust
R
T
COMP
V
FB
Sense
OSC
V
REF
V
CC
V
OUT
A
0.1
μ
F
0.1
μ
F
1.0 k
Ω
1.0 W
GND
V
REF
V
CC
V
OUT
C
T
Figure 4. Test Circuit Open Loop Laboratory Test Fixture
GND
CIRCUIT DESCRIPTION
http://onsemi.com
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