Operation pictures
VIPer22A-E, VIPer22ADIP-E, VIPer22AS-E
Figure 12. Peak drain current vs feedback current
ID
IDpeak
4mH
100V
1/FOSC
t
18V
VDD
FB
CONTROL
DRAIN
IFB
47nF VIPer22A
SOURCE
100V
VFB
IFBsd ⋅ RFB
The drain current limitation is
obtained for VFB = 0 V, and a
negative current is drawn from
the FB pin. See the Application
section for further details.
IFB
IDpeak
IDlim
GID = –Δ----I--ΔD----I-p-F---e-B---a---k--
IFB
0
IFBsd
Figure 13. Thermal shutdown
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Doc ID 12050 Rev 2