ML4841IP 查看數據表（PDF） - Micro Linear Corporation
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ML4841IP Datasheet PDF : 15 Pages
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TYPICAL APPLICATIONS
Figure 6 is the application circuit for a complete 100W
power factor corrected power supply, designed using the
ML4841
general methods and topology suggested in Application
Note 33.
AC INPUT
85 TO 265VAC
C1
680nF
BR1
4A, 600V
F1
3.15A
R2A
453kΩ
L1
3.1mH
Q1
IRF840
D1
8A, 600V
C4
10nF
R1A
499kΩ
R27
22kΩ
R21
R2B
22Ω
453kΩ
C3
100nF
D12
1A, 50V
D13
1A, 50V
C2
470nF
R5
300mΩ
1W
C19
1µF
R28
160Ω
R1B
499kΩ
C30
330µF
R3
75kΩ
56.2kΩ
C12
10µF
C7
220pF
R4
13kΩ
R12
C6
27kΩ
1nF
IEAO
VEAO
IAC
ISENSE
VRMS
SS
VFB
VREF
VCC
PFC OUT
VDC PWM OUT
RAMP 1
GND
RAMP 2 DC ILIMIT
390pF
ML4841
C5
100µF
D3
50V
R7A
178kΩ
R7B
178kΩ
Q2
R17 IRF830
33Ω
C25
100nF
T1
R15
3Ω
R30
4.7kΩ
C20
1µF
D7
15V
D6
600V
R14
Q3
33Ω
IRF830
R19
220Ω
R20
1.1Ω
D5
600V
D11
L2
T2 MBR2545CT 33µH
C24
C21
1µF
1800µF
R23
1.5kΩ
R24
1.2kΩ
C22
4.7µF
R18
220Ω
12VDC
RTN
R22
8.66kΩ
R26
10kΩ
C23
100nF
TL431
R25
2.26kΩ
C15
10nF
C13
100nF
C16
1µF
C14
1µF
R8
2.37kΩ
C9
8.2nF
C31 R11
1nF 750kΩ
C8
82nF
D8
1A, 20V
D10
1A, 20V
C18
390pF
R6
24.9kΩ
R10
6.2kΩ
C17
220pF
C11
10nF
Figure 6. 100W Power Factor Corrected Power Supply.
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