Datasheet

Electrical data VIPER37
8/35 Doc ID 022218 Rev 1
Table 7. Supply section
Symbol Parameter Test condition Min. Typ. Max. Unit
Voltage
V
DRAIN
_START
Drain-source start voltage 60 80 100 V
I
DDch
Startup charging current
V
DRAIN
= 120 V,
V
BR
= GND, V
FB
= GND,
V
DD
= 4 V
-2 -3 -4 mA
V
DRAIN
= 120 V,
V
BR
= GND, V
FB
= GND,
V
DD
= 4 V after fault.
-0.4 -0.6 -0.8 mA
V
DD
Operating voltage range After turn-on 8.5 23.5 V
V
DDclamp
V
DD
clamp voltage I
DD
= 20 mA 23.5 V
V
DDon
V
DD
startup threshold
V
DRAIN
= 120 V,
V
BR
= GND, V
FB
= GND
13 14 15 V
V
DDoff
V
DD
undervoltage
shutdown threshold
7.5 8 8.5 V
V
DD(RESTART)
V
DD
restart voltage
threshold
V
DRAIN
= 120 V,
V
BR
= GND, V
FB
= GND
44.55 V
Current
I
DD0
Operating supply current,
not switching
V
FB
= GND, F
SW
= 0 k H z ,
V
BR
= GND, V
DD
= 10 V
0.9 mA
I
DD1
Operating supply current,
switching
V
DRAIN
= 120 V,
F
SW
= 60 kHz
2.5 mA
V
DRAIN
= 120 V,
F
SW
= 115 kHz
3.5 mA
I
DD_FAULT
Operating supply current,
with protection tripping
V
DD
= 10 V 400 µA
I
DD_OFF
Operating supply current
with V
DD
< V
DD_OFF
V
DD
= 7 V 270 µA