lnk500 Power Integrations, Inc., lnk500 Datasheet - Page 7

• Manufacturer Part Number: lnk500
• Description: Energy Ef?cient, Cv Or Cv/cc Switcher For Very Low Cost Adapters And Chargers
• Manufacturer: Power Integrations, Inc.

Figure 9. 2.75 W Constant Voltage/Constant Current (CV/CC) Charger using LinkSwitch.
85-265
VAC
10 Ω 1 W
Fusible
RF1
Figure 10. Measured Output Characteristic of the Circuit in Figure 9.
10
9
8
7
6
5
4
3
2
1
0
0
1 A, 600 V
BR1
100
4.7 µF
400 V
1 mH
C1
L1
LNK500
4.7 µF
400 V
200
C2
U1
LinkSwitch
D
C
100 Ω
20.5 kΩ
1N4937
R2
S
Output Current (mA)
R1
1%
D5
300
0.22 µF
0.1 µF
100 V
50 V
C3
C4
PI-3419-071304
400
34 AWG
116 T
L P = 2.55 mH
4
3
1
500
EE13
T1
6
5
30 AWG
11DQ06
15 T
TIW
PERFORMANCE SUMMARY
Output Power: 2.75 W
Efficiency:
No Load
Consumption: 260 mW, 230 VAC
D6
V
V
V
V
600
IN
IN
IN
IN
= 85 VAC
= 115 VAC
= 185 VAC
= 265 VAC
470 µF
200 mW, 115 VAC
10 V
≥72%
C5
LNK500
700
5.5 V,
500 mA
RTN
2/05
D
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