GN2470 Datasheet, PDF (6/8 Pages) Supertex, Inc – INSULATED GATE BIPOLAR TRANSISTOR

GN2470
IGBT
Transconductance vs. Collector Current
1.2
1.1
-55^oC
1.0
0.9
0.8
0.7
25^oC
125^oC
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.0 0.3 0.5 0.8 1.0 1.3 1.5 1.8 2.0 2.3 2.5 2.8 3.0 3.3 3.5
IC (A)
Application
Using the GN2470 IGBT in place of a MOSFET improves the performance of SR03x-based power
supplies.
SR03x Efficiency
50
VN2460, no EMI
40
GN2470, no EMI
30
VN2460, w/EMI
GN2470, w/EMI
20
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6
P_{UNREG (W)}
6
Rev.B – 4-22-04