lnk520 Power Integrations, Inc., lnk520 Datasheet - Page 17

• Manufacturer Part Number: lnk520
• Description: Energy Ef?cient, Cv Or Cv/cc Switcher For Very Low Cost Adapters And Chargers
• Manufacturer: Power Integrations, Inc.

Typical Performance Characteristics (cont.)
Figure 20. Switching Frequency vs. Temperature.
Figure 22. I
Figure 18. Duty Cycle vs. CONTROL Pin Current.
1.200
1.000
0.800
0.600
0.400
0.200
0.000
1.2
1.0
0.8
0.6
0.4
0.2
0.0
90
80
70
60
50
40
30
20
10
0
-50 -25
1.9
-50
2
f Coefficient vs. Temperature.
CONTROL Pin Current (mA)
2
Junction Temperature (°C)
Junction Temperature (°C)
2.1
0
0
2.2
25
2.3 2.4 2.5 2.6 2.7
50
50
75
100
100
125
150
150
Figure 21. Current Limit vs. Temperature.
Figure 23. I
Figure 19. Breakdown Voltage vs. Temperature.
1.200
1.000
0.800
0.600
0.400
0.200
0.000
1.200
1.000
0.800
0.600
0.400
0.200
0.000
1.1
1.0
0.9
-50 -25
-50 -25
-50
DCT
vs. Temperature.
-20
Junction Temperature (°C)
Junction Temperature (°C)
Junction Temperature (°C)
0
0
0
25
25
25
50
50
50
75 100 125 150
75 100 125 150
75
100 125 150
LNK520
2/05
E
17