LNK500
U1
LNK500
LinkSwitch
L1
1 mH
T1
5.5 V,
500 mA
1
4
D
S
5
6
C3
0.22 µF
50 V
C
15 T
#30 AWG
TIW
C5
470 µF
10 V
116 T
#34 AWG
BR1
RF1
10 Ω 1 W
Fusible
1 A, 600 V
C4
0.1 µF
100 V
R1
20.5 kΩ
1%
RTN
3
P
C1
C2
D6
11DQ06
85-265
VAC
4.7 µF
400 V
4.7 µF
400 V
EE13
= 2.55 mH
D5
L
1N4937
R2
100 Ω
PERFORMANCE SUMMARY
Output Power:
Efficiency:
2.75 W
≥72%
No Load
Consumption:
260 mW, 230 VAC
200 mW, 115 VAC
PI-3419-111802
Figure 9. 2.75 W Constant Voltage/Constant Current (CV/CC) Charger using LinkSwitch.
10
9
V
V
V
V
IN = 85 VAC
IN = 115 VAC
IN = 185 VAC
IN = 265 VAC
8
7
6
5
4
3
2
1
0
0
100
200
300
400
500
600
700
Output Current (mA)
Figure 10. Measured Output Characteristic of the Circuit in Figure 9.
B
3/03
7
POWERINT [ Power Integrations ]
