LNK302/304-306
Typical Performance Characteristics
1.2
1.0
0.8
0.6
0.4
0.2
1.1
1.0
0.9
0
-50 -25
0
25 50 75 100 125 150
-50 -25
0
25
50 75 100 125
Junction Temperature (°C)
Junction Temperature (°C)
Figure 10. Breakdown vs. Temperature.
Figure 11. Frequency vs. Temperature.
1.4
1.2
1.0
0.8
1.4
1.2
1.0
0.8
Normalized
Normalized Current
Normalized di/dt
di/dt = 1
di/dt = 6
0.6
0.4
0.2
0
0.6
0.4
0.2
0
di/dt = 1
Limit = 1
LNK302
LNK304
LNK305
LNK306
55 mA/μs
65 mA/μs
75 mA/μs
95 mA/μs
136 mA
257 mA
375 mA
482 mA
1
2
3
4
5
6
-50
0
50
100
150
Normalized di/dt
Temperature (°C)
Figure 13. Current Limit vs. di/dt.
Figure 12. Current Limit vs. Temperature at
Normalized di/dt.
7
6
5
400
350
25 °C
300
100 °C
250
200
150
100
50
4
3
2
1
Scaling Factors:
LNK302 0.5
LNK304 1.0
LNK305 2.0
LNK306 3.4
0
0
0
0.2
0.4
Time (ms)
Figure 14. BYPASS Pin Start-up Waveform.
0.6
0.8
1.0
0
2
4
6
8
10 12 14 16 18 20
DRAIN Voltage (V)
Figure 15. Output Characteristics.
2-13
13
Rev. I 11/08
POWERINT [ Power Integrations ]
