IRS27951S IRS27952(4)S - International Rectifier
IRS27951S IRS27952(4)S - International Rectifier
IRS27951S IRS27952(4)S - International Rectifier
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<strong>IRS27951S</strong><br />
<strong>IRS27952</strong>(4)S<br />
Switching Frequency (KHz)<br />
Frequency @ CT=200pF, RT=50.5KΩ<br />
49.0<br />
48.5<br />
48.0<br />
47.5<br />
47.0<br />
46.5<br />
46.0<br />
45.5<br />
45.0<br />
44.5<br />
44.0<br />
-50 °C 0 °C 50 °C 100 °C 150 °C<br />
Temperature<br />
Switching Frequency (KHz)<br />
Frequency @ CT=200pF, RT=7.32KΩ<br />
297<br />
293<br />
289<br />
285<br />
281<br />
277<br />
273<br />
269<br />
-50 °C 0 °C 50 °C 100 °C 150 °C<br />
Temperature<br />
Figure 15: Switching Frequency vs. Temperature<br />
Figure 16: Switching Frequency vs. Temperature<br />
Gate Tr and Tf @ 1nF Load<br />
95 ns<br />
85 ns<br />
75 ns<br />
65 ns<br />
55 ns<br />
45 ns<br />
35 ns<br />
25 ns<br />
15 ns<br />
Tr_HO<br />
Tf_HO<br />
Tr_LO<br />
Tf_LO<br />
5 ns<br />
-50 °C 0 °C 50 °C 100 °C 150 °C<br />
Temperature<br />
Figure 17: Gate Output Tr and Tf time @ 1nF<br />
Load vs. Temperature<br />
Voltage (V)<br />
IRS2795(1,2) -Vs Spike SOA<br />
80<br />
70<br />
Failure Voltage<br />
60<br />
50<br />
40<br />
30<br />
20<br />
10<br />
0<br />
1E-7 2E-7 3E-7 4E-7 5E-7 6E-7 7E-7 8E-7 9E-7 1E-6<br />
Pulse Width (s)<br />
Figure 18: VS Negative Transient Safety<br />
Operation Area<br />
22 www.irf.com © 2012 <strong>International</strong> <strong>Rectifier</strong> November 8 th , 2012
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