Application examples and ideas
L6562AT
8
Application examples and ideas
Figure 21. Demonstration board wide-range mains: electrical schematic
Vo=400V
Po=80W
D1
STTH1L06
NTC
2.5 Ω
T1
R4
R5
D8
C5
R14
R11
Ω
Ω
270 k 270 k
1N4148
10 nF
100Ω
Ω
1M
R50 - 22 kΩ
C3 - 2200 nF
D2
1N5248B
R1
1 MΩ
R12
1M
Ω
R6
47 kΩ
C1
0.22 µF
630V
P1
W08
C23
150 nF
ZCD COMP
INV
+
-
F1
4A/250V
C6
47 µF
450V
R2
1 MΩ
VCC
8
3
5
2
1
R7
33 Ω
Q1
STP8NM50FP
MULT
GD
7
Vac
88V
to
L6562A
L6562A
6
4
R8
47kΩ
R15
264V
CS
GND
C2
10nF
C29
22 µF
25V
SHORTED
R3
15 kΩ
C4
100 nF
R9
0.68 Ω
0.25W
R10
0.68 Ω
0.25W
R13
15 kΩ
R13B
82 kΩ
Boost Inductor Spec (ITACOIL E2543/E)
E25x13x7 core, N67 ferrite
1.5 mm gap for 0.7 mH primary inductance
Primary: 102 turns 20x0.1 mm
Secondary: 10 turns 0.1 mm
17/25
STMICROELECTRONICS [ ST ]
