Datasheet

Operation pictures VIPer22A-E, VIPer22ADIP-E, VIPer22AS-E
14/21 Doc ID 12050 Rev 2
Figure 12. Peak drain current vs feedback current
Figure 13. Thermal shutdown
I
FB
4mH
100V
100V
18V
FB
VDD DRAIN
SOURCE
CONTROL
VIPer22A
47nF
G
ID
I
Dpeak
Δ
I
FB
Δ
------------------------–=
I
D
I
Dpeak
t
1/F
OSC
I
FB
I
Dpeak
I
Dlim
I
FB
I
FBsd
R
FB
⋅
V
FB
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.
0
I
FBsd