lnk501 Power Integrations, Inc., lnk501 Datasheet - Page 7

• Manufacturer Part Number: lnk501
• Description: Energy Ef?cient, Cv/cc Switcher For Very Low Cost Chargers And Adapters
• 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
4.7 µF
400 V
200
C2
LinkSwitch
D
LNK501
C
U1
Output Current (mA)
20.5 kΩ
100 Ω
1N4937
R2
S
R1
1%
D5
300
0.22 µF
0.1 µF
100 V
50 V
C4
C3
400
#34 AWG
116 T
L P = 2.55 mH
4
3
1
PERFORMANCE SUMMARY
Output Power:
Efficiency:
No Load
Consumption:
500
EE13
T1
6
5
#30 AWG
11DQ06
15 T
TIW
D6
V
V
V
V
600
IN
IN
IN
IN
= 85 VAC
= 115 VAC
= 185 VAC
= 265 VAC
2.75 W
≥72%
260 mW, 230 VAC
200 mW, 115 VAC
PI-2904-080304
470 µF
10 V
C5
LNK501
500 mA
5.5 V,
700
RTN
2/05
I
7