L6561 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
L6561 Datasheet PDF : 13 Pages
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L6561
Figure 9. Demo Board (EVAL6561-80) Electrical Schematic
FUSE
4A/250V
Vac
(85V to 265V)
BRIDGE
+ W04M
C1
1 µF
400V
-
T
R4 R5
180 k 180 k
D8
1N4150
C5 12 nF
R14
R1
750 k
D2
1N5248B
100
R6
68 k
R50 12 k
C3 470 nF
R2
750 k
C23
1 µF
85
2
1
R7
33
3 L6561 7
6
4
D1
STTH1L06
NTC
2.5
R11
750 k
R12
750 k
MOS
STP8NM50
R3
10 k
C2
10nF
C29
22 µF
25V
C4
100 nF
Boost Inductor Spec (ITACOIL E2543/E)
E25x13x7 core, 3C85 ferrite
1.5 mm gap for 0.7 mH primary inductance
Primary: 105 turns 20x0.1 mm
Secondary: 11 turns 0.1mm
D3 1N4148
C7
10 µF
35 V
R16
91 k
R15
220
R9
0.41
1W
THD REDUCER (optional)
R10
0.41
1W
R13
9.53 k
Vo=400V
Po=80W
C6
47 µF
450V
-
Figure 10. EVAL6561-80: PCB and Component Layout (Top view, real size 57x108mm)
Table 6. EVAL6561-80: Evaluation Results.
Vin (Vac) Pin (W) Vo (Vdc) ∆Vo (Vdc) Po (W)
85
87.2 400.1
110
85.2 400.1
135
84.2 400.1
175
83.5 400.1
220
83.1 400.1
265
82.9 400.1
14
80.7
14
80.7
14
80.7
14
80.7
14
80.7
14
80.7
η (%)
92.8
94.7
95.8
96.6
97.1
97.3
w/o THD reducer
PF
THD (%)
0.999
3.7
0.996
5.0
0.989
6.2
0.976
8.3
0.940
10.7
0.890
13.7
with THD reducer
PF
THD (%)
0.999
2.9
0.996
3.2
0.989
3.7
0.976
4.3
0.941
5.6
0.893
8.1
7/13
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