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L6561

P1-P3P4-P6P7-P9P10-P12P13-P13
7/13
L6561
Figure 9. Demo Board (EVAL6561-80) Electrical Schematic
Figure 10. EVAL6561-80: PCB and Component Layout (Top view, real size 57x108mm)
Table 6. EVAL6561-80: Evaluation Results.
V
in
(Vac)
Pin (W)
V
o
(Vdc)
∆
Vo (Vdc)
Po (W) η (%)
w/o THD reducer with THD reducer
PF THD (%) PF THD (%)
85 87.2 400.1 14 80.7 92.8 0.999 3.7 0.999 2.9
110 85.2 400.1 14 80.7 94.7 0.996 5.0 0.996 3.2
135 84.2 400.1 14 80.7 95.8 0.989 6.2 0.989 3.7
175 83.5 400.1 14 80.7 96.6 0.976 8.3 0.976 4.3
220 83.1 400.1 14 80.7 97.1 0.940 10.7 0.941 5.6
265 82.9 400.1 14 80.7 97.3 0.890 13.7 0.893 8.1
NTC
2.5
8
3
BRIDGE
W04M
R1
750 k
C1
1 µF
400V
R3
10 k
C29
22 µF
25V
FUSE
4A/250V
R4
180 k
D8
1N4150
D2
1N5248B
R14
100
C5 12 nF
R6
68 k
T
5
6
L6561
7
21
R7
33
MOS
STP8NM50
4
R11
750 k
C6
47 µF
450V
Vo=400V
Po=80W
-
Vac
(85V to 265V)
R9
0.41
1W
R13
9.53 k
+
-
C4
100 nF
C2
10nF
D1
STTH1L06
D3 1N4148
C7
10 µF
35 V
R15
220
R16
91 k
R50 12 k
C3 470 nF
R2
750 k
R5
180 k
R10
0.41
1W
R12
750 k
C23
1 µF
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
THD REDUCER (optional)
L6561
8/13
Figure 11. OVP Current Threshold vs.
Temperature
Figure 12. Undervoltage Lockout Threshold
vs. Temperature
Figure 13. Supply Current vs. Supply
Voltage
Figure 14. Voltage Feedback Input Threshold
vs. Temperature
-50 -25 0 25 50 75 100 125 T
(
˚C
)
38
39
40
41
I
OVP
(µA)
D94IN047A
-25 0 25 50 75 100 125
T
(
˚C
)
9
10
11
12
13
V
CC-ON
(V)
V
CC-OFF
(V)
D94IN044A
D97IN548A
0 5 10 15 20 V
CC
(V)
0
0.005
0.01
0.05
0.1
0.5
1
5
10
I
CC
(mA)
C
L
= 1nF
f = 70KHz
T
A
= 25˚C
-50 0 50 100
2.46
2.48
2.50
T (˚C)
V
REF
(V)
D94IN048A
9/13
L6561
Figure 15. Output Saturation Voltage vs. Sink
Current
Figure 16. Output Saturation Voltage vs.
Source Current
Figure 17. Multiplier Characteristics
Family
0 100 200 300 400 I
GD
(mA)
0
0.5
1.0
1.5
2.0
V
PIN7
(V)
SINK
V
CC
= 14.5V
D94IN046
0 100 200 300 400 I
GD
(mA)
0
V
CC
-2.0
V
CC
-1.5
V
CC
-1.0
V
CC
-0.5
V
PIN7
(V)
SOURCE
V
CC
= 14.5V
D94IN053
V
MULT
(pin3) (V)
D97IN555A
2.6
3.0
3.2
3.5
4.5
5.0
V
COMP
(pin2)
(V)
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
V
CS
(pin4)
(V)
4.0
2.8
upper voltage
clamp
P1-P3P4-P6P7-P9P10-P12P13-P13

L6561

Mfr. #:
Buy L6561
Manufacturer:
STMicroelectronics
Description:
Power Factor Correction - PFC Wide Input Voltage
Lifecycle:
New from this manufacturer.
Delivery:
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