L6563A View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L6563A' PDF : 37 Pages View PDF
Application examples and ideas
L6563 - L6563A
Figure 51. 350W, wide-range-mains PFC pre-regulator with fixed output voltage and FOT control
D1
L1
1N5406
D2
STTH806DTI
NTC1
2.5 Ω
Vout = 400V
Pout = 350W
B1
FUSE KBU8M +
8A/250V
C1
1 µF
400V
Vac
-
88V
to
264V
Vcc
R1A 10.3 to 22 V
620 kΩ
R1B
620 kΩ
C2
1 µF
R3
390 kΩ
R2
10 kΩ
C3
10nF
C4
470nF
R4
1 MΩ
R5 C5
6.8 kΩ 1 µF
R13A
1 MΩ
R13B
1 MΩ
R15A
1.87 MΩ
R15B
1.87 MΩ
14 8 9 2
3
L6563
10
5 11
R6
1.5 kΩ
R8
1.5 kΩ
17
6
13
12 4
D3 1N4148
R9 6.8 Ω
D4
1N4148
D5 R10 6.8 Ω
M1A
STP12NM50
M1B
STP12NM50
TR1
BC557
R7
12 kΩ
C6 330 pF
C7
560 pF
1N4148
R11 330 Ω
C8
330 pF
R12A,B,C
0.33 Ω
1W
C9
470 nF
630 V
C11
220 µF
450 V
C10
10 nF
R14
12.7 kΩ
R16
20 kΩ
L1: core E42*21*15, B2 material
1.9 mm air gap on centre leg, main winding
inductance 0.55 mH
58 T of 20 x AWG32 (∅0.2 mm)
Figure 52. Demagnetization sensing without auxiliary winding
Figure 53. Enhanced turn-off for big MOSFET driving
Vcc
14
13 GD
DRIVER
Q
L6563
L6563A 12
GND
BC327
Rs
34/37
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