LNK501
U1
LNK501
LinkSwitch
L1
1 mH
T1
5.5 V,
500 mA
1
4
D
S
5
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
6
C1
4.7 µF
400 V
C2
4.7 µF
400 V
D6
11DQ06
85-265
VAC
EE13
D5
1N4937
L
= 2.55 mH
R2
100 Ω
PERFORMANCE SUMMARY
Output Power:
Efficiency:
2.75 W
≥72%
No Load
Consumption:
260 mW, 230 VAC
200 mW, 115 VAC
PI-2904-083002
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 (IOUT mA)
,
Figure 10. Measured Output Characteristic of the Circuit in Figure 9.
F
9/02
7
POWERINT [ Power Integrations ]
