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AN3112 数据表(PDF) 33 Page - STMicroelectronics

部件名 AN3112
功能描述  Solution for designing a fixed off-time controlled PFC pre-regulator
PDF  36 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

AN3112 数据表(HTML) 33 Page - STMicroelectronics

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AN3112
Design example using the L6564-FOT PFC Excel® spreadsheet
Doc ID 16820 Rev 3
33/36
Figure 22.
Excel spreadsheet BOM
400
W FOT PFC BASED ON L6564
BILL OF MATERIAL
Selected
Value
Unit
[ ]
BRIDGE RECTIFIER
D15XB60
MOSFET P/N
2 x STP12NM50PF
DIODE P/N
STTH8R06
Inductor
L
500
µH
Max peak Inductor current
Ilpkx
9.67
A
Sense resistor
Rsx
0.12
Ω
Power dissipation
Ps
2.14
W
INPUT Capacitor
Cin
1
µF
OUTPUT Capacitor
Cout
330
µF
Pin3 - MULT Divider
Rmult L
51
k
Ω
Rmult H
6900
k
Ω
ZCD FOT circuit
Rzcd1
15
k
Ω
Rzcd2
1
k
Ω
Rzcd3
1.5
k
Ω
Czcd1
220
pF
Czcd2
100
pF
Diode P/N
1N4148
pnp-BJT P/N
BC857C
Feedback Divider
RoutH
3000
k
Ω
RoutL
18.8
k
Ω
Output divider for
PFC_OK
RL
51
k
Ω
RH
8800
k
Ω
Compensation Network
CcompP
100
nF
CcompS
1000
nF
RcompS
56
k
Ω
Voltage Feedforward
CFF
1000
nF
RFF
1000
k
Ω
IC Controller
L6564



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