Obsolete Product(s) - Obsolete Product(s)
VIPer12ADIP / VIPer12AS
4/15
ELECTRICAL CHARACTERISTICS (T
j
=25°C, V
DD
=18V, unless otherwise specified)
SUPPLY SECTION
Note: 1. These test conditions obtained with a resistive load are leading to the maximum conduction time of the device.
OSCILLATOR SECTION
PWM COMPARATOR SECTION
OVERTEMPERATURE SECTION
Symbol Parameter Test Conditions Min. Typ. Max. Unit
I
DDch
Start Up Charging
Current
V
DS=100V; V
DD
=5V ...V
DDon
(See fig. 2)
-1 mA
I
DDoff
Start Up Charging
Current
in Thermal Shutdown
V
DD
=5V; V
DS
=100V
T
j
> T
SD
- T
HYST
0mA
I
DD0
Operating Supply Current
Not Switching
I
FB
=2mA
35mA
I
DD1
Operating Supply Current
Switching
I
FB
=0.5mA; I
D
=50mA (Note 1)
4.5 mA
D
RST
Restart Duty Cycle (See fig. 3) 16 %
V
DDoff
V
DD
Undervoltage
Shutdown Threshold
(See fig. 2 & 3) 7 8 9 V
V
DDon
V
DD
Start Up Threshold
(See fig. 2 & 3) 13 14.5 16 V
V
DDhyst
V
DD
Threshold
Hysteresis
(See fig. 2) 5.8 6.5 7.2 V
V
DDovp
V
DD
Overvoltage
Threshold
38 42 46 V
Symbol Parameter Test Conditions Min. Typ. Max. Unit
F
OSC
Oscillator Frequency
Total Variation
V
DD
=V
DDoff
... 35V; T
j
=0 ... 100°C
54 60 66 kHz
Symbol Parameter Test Conditions Min. Typ. Max. Unit
G
ID
I
FB
to I
D
Current Gain
(See fig. 4) 320
I
Dlim
Peak Current Limitation
V
FB
=0V (See fig. 4)
0.32 0.4 0.48 A
I
FBsd
I
FB
Shutdown Current
(See fig. 4) 0.9 mA
R
FB
FB Pin Input Impedance
I
D
=0mA (See fig. 4)
1.2 kΩ
t
d
Current Sense Delay to
Turn-Off
I
D
=0.2A
200 ns
t
b
Blanking Time 500 ns
t
ONmin
Minimum Turn On Time 700 ns
Symbol Parameter Test Conditions Min. Typ. Max. Unit
T
SD
Thermal Shutdown
Temperature
(See fig. 5) 140 170 °C
T
HYST
Thermal Shutdown
Hysteresis
(See fig. 5) 40 °C
