Datasheet

VIPer53 - E Electrical characteristics
5/36
Table 5. Supply section
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
DSstart
Drain voltage starting
threshold
V
DD
= 5V; I
DD
= 0mA
34 50 V
I
DDch1
Startup charging current
V
DD
= 0 ... 5V; V
DS
= 100V
Figure 5 on page 10
-12 mA
I
DDch2
Startup charging current
V
DD
= 10V; V
DS
= 100VFigure 5.
-2 mA
I
DDchoff
Startup charging current
in thermal shutdown
V
DD
= 5V; V
DS
= 100VFigure 7.
T
J
> T
SD
- T
HYST
0mA
I
DD0
Operating supply current
not switching
F
sw
= 0kHz; V
COMP
= 0V
811mA
I
DD1
Operating supply current
switching
F
sw
= 100kHz
9mA
V
DDoff
V
DD
undervoltage
shutdown threshold
Figure 5 on page 10 7.5 8.4 9.3 V
V
DDon
V
DD
startup threshold
Figure 5. 10.2 11.5 12.8 V
V
DDhyst
V
DD
threshold hysteresis
Figure 5. 2.6 3.1 V
V
DDovp
V
DD
Overvoltage
shutdown threshold
Figure 5. 17 18 19 V
Table 6. Error amplifier section
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
DDreg
V
DD
regulation point
I
COMP
= 0mA
Figure 11. on page 11
14.5 15 15.5 V
∆V
DDreg
V
DD
regulation point
total variation
I
COMP
= 0mA; T
J
= 0 ... 100°C 2 %
G
BW
Unity gain bandwidth
From Input = V
DD
to Output =
V
COMP
I
COMP
= 0mA Figure 14 and 15
700 kHz
AV
OL
Voltage gain I
COMP
= 0mA Figure 14 and 15 40 45 dB
G
m
DC transconductance V
COMP
= 2.5V Figure 11. 11.41.8mS
V
COMPlo
Output low level I
COMP
= -0.4mA; V
DD
= 16V 0.2 V
V
COMPhi
Output high level I
COMP
= 0.4mA; V
DD
=14V
(1)
1. In order to insure a correct stability of the error amplifier, a capacitor of 10nF (minimum value: 8nF) should
always be present on the COMP pin.
4.5 V
I
COMPlo
Output sinking current
V
COMP
= 2.5V; V
DD
= 16V
Figure 11. on page 11
-0.6 mA
I
COMPhi
Output sourcing current
V
COMP
= 2.5V; V
DD
= 14V
Figure 11.
0.6 mA