Datasheet

L6563 - L6563A Application examples and ideas
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Figure 52. 250W, wide-range-mains PFC pre-regulator with fixed output voltage
14
3
B1
KBU8M
R1A
820 k
C1
1 µF
400V
C2
1
µ
F
FUSE
8A/250V
R3
47 k
11
12
L6563
13
21
M1
STP12NM50
4
R9A
1 M
C8
150 µF
450 V
Vout = 400V
Pout = 250 W
Vac
88V
to
264V
R8A,B
0.22
1 W
R10
12.7 k
+
-
C3
10nF
D2
STTH5L06
R6 33
C4
1 µF
R1B
820 k
R2
10 k
D3 1N4148
R9B
1 M
NTC1
2.5
D1
1N5406
C6
470 nF
630 V
R5
6.8 k
L1
R4
1 M
Vcc
10.3 to 22 V
R11A
1.87 M
R12
20 k
R11B
1.87 M
6
7
5
R7
390 k
C5
470nF
8 9
C7
10 nF
10
Boost Inductor (L1) Spec
ETD29x16x10 core, 3C85 ferrite or equivalent
1.5 mm gap for 150 µH primary inductance
Primary: 74 turns 20xAWG30 ( 0.3 mm)
Secondar
y
: 8 turns 0.1 mm
Figure 53. 350W, wide-range-mains PFC pre-regulator with fixed output voltage and FOT control
14
3
B1
KBU8M
R1A
620 k
C1
1 µF
400V
C2
1
µ
F
FUSE
8A/250V
R8
1.5 k
11
12
L6563
13
21
M1A
STP12NM50
4
C11
220 µF
450 V
Vout = 400V
Pout = 350W
Vac
88V
to
264V
R12A,B,C
0.33
1 W
+
-
C3
10nF
D2
STTH806DTI
R9 6.8
C5
1 µF
R1B
620 k
R2
10 k
D3 1N4148
D5
1N4148
R7
12 k
C7
560 pF
C6 330 pF
NTC1
2.5
D1
1N5406
C9
470 nF
630 V
R5
6.8 k
R10 6.8
D4
1N4148
M1B
STP12NM50
R6
1.5 k
TR1
BC557
L1
R15A
1.87 M
R16
20 k
R15B
1.87 M
6
7
5
R3
390 k
C4
470nF
98 9
C10
10 nF
10
C8
330 pF
R11 330
R13A
1 M
R14
12.7 k
R13B
1 M
R4
1 M
Vcc
10.3 to 22 V
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)