L6561
Figure 6. Typical Application Circuit (80W, 110VAC)
D1 BYT03-400
C6
T
R7 (*)
950K
C3 680nF
68K
5
2
1
7
4
+
Vo=240V
Po=80W
R3 (*)
240K
BRIDGE
+ 4 x 1N4007
FUSE 4A/250V
-
Vac
(85V to 135V)
NTC
R10
10K
D3 1N4150
D2
1N5248B
R2
100
10nF
R1
C1
1µF
250V
R9 (*)
950K
8
R5
10
L6561
3
C2
22µF
25V
C7
10nF
6
MOS
STP7NA40
C5
100µF
315V
R6 (*)
0.31
1W
R8
10K
1%
D97IN549B
-
(*) R3 = 2 x 120KΩ
R6 = 0.619Ω/2
R7 = 2 x 475KΩ, 1%
R9 = 2 x 475KΩ
TRANSFORMER
T: core THOMSON-CSF B1ET2910A (ETD 29 x 16 x 10mm) OR EQUIVALENT (OREGA 473201A7)
primary 90T of Litz wire 10 x 0.2mm
secondary 11T of #27 AWG (0.15mm)
gap 1.8mm for a total primary inductance of 0.7mH
Figure 7. Typical Application Circuit (120W, 220VAC)
D1 BYT13-600
C6
T
R7 (*)
998K
C3 1µF
68K
5
2
1
7
4
+
Vo=400V
Po=120W
R3 (*)
440K
BRIDGE
+ 4 x 1N4007
FUSE 2A/250V
-
Vac
(175V to 265V)
NTC
R10
10K
D3 1N4150
D2
1N5248B
R2
100
10nF
R1
C1
560nF
400V
R9 (*)
1.82M
8
R5
10
L6561
3
C2
22µF
25V
C7
10nF
6
MOS
STP5NA50
C5
56µF
450V
R6 (*)
0.41
1W
R8
6.34K
1%
D97IN550B
-
(*) R3 = 2 x 220KΩ
R6 = 0.82Ω/2
R7 = 2 x 499KΩ, 1%
R9 = 2 x 909KΩ
TRANSFORMER
T: core THOMSON-CSF B1ET2910A (ETD 29 x 16 x 10mm) OR EQUIVALENT (OREGA 473201A8)
primary 90T of Litz wire 10 x 0.2mm
secondary 7T of #27 AWG (0.15mm)
gap 1.25mm for a total primary inductance of 0.8mH
Figure 8. Typical Application Circuit (80W, Wide-range Mains)
D1 BYT13-600
C6
T
R7 (*)
998K
C3 1µF
68K
5
2
1
7
4
+
Vo=400V
Po=80W
R3 (*)
240K
BRIDGE
+ 4 x 1N4007
FUSE 4A/250V
-
Vac
(85V to 265V)
NTC
R10
10K
D3 1N4150
D2
1N5248B
R2
100
12nF
R1
C1
1µF
400V
R9 (*)
1.24M
8
R5
10
L6561
3
C2
22µF
25V
C7
10nF
6
MOS
STP8NA50
C5
47µF
450V
R6 (*)
0.41
1W
R8
6.34K
1%
D97IN553B
-
(*) R3 = 2 x 120KΩ
R6 = 0.82Ω/2
R7 = 2 x 499KΩ, 1%
R9 = 2 x 620KΩ
TRANSFORMER
T: core THOMSON-CSF B1ET2910A (ETD 29 x 16 x 10mm) OR EQUIVALENT (OREGA 473201A8)
primary 90T of Litz wire 10 x 0.2mm
secondary 7T of #27 AWG (0.15mm)
gap 1.25mm for a total primary inductance of 0.8mH
6/13
STMICROELECTRONICS [ STMICROELECTRONICS ]
