VIPER100 STMicroelectronics, VIPER100 Datasheet - Page 18

IC SWIT PWM SMPS CM PENTAWATT5

VIPER100

Manufacturer Part Number
VIPER100
Description
IC SWIT PWM SMPS CM PENTAWATT5
Manufacturer
STMicroelectronics
Series
VIPER™r
Datasheet

Specifications of VIPER100

Output Isolation
Isolated
Frequency Range
90 ~ 200kHz
Voltage - Input
8 ~ 15 V
Voltage - Output
620V
Power (watts)
82W
Operating Temperature
25°C ~ 125°C
Package / Case
Pentawatt-5 HV (Bent and Staggered Leads)
Output Voltage
620 V
Output Current
2 A
Input Voltage
0 V to 15 V
Switching Frequency
200 KHz
Operating Temperature Range
- 65 C to + 150 C
Mounting Style
Through Hole
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-2714-5

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Figure 25. Input Voltage Surges Protection
Electrical Over Stress Ruggedness
The VIPer may be submitted to electrical over-stress, caused by violent input voltage surges or lightning.
Following the Layout Considerations is sufficient to prevent catastrophic damages most of the time.
However in some cases, the voltage surges coupled through the transformer auxiliary winding can
exceed the V
protection circuitry which could be damaged by the strong discharge current of the V
The simple RC filter shown in (see Figure 25) page 17 can be implemented to improve the application
immunity to such surges.
18/24
Bulk capacitor
C1
DD
pin absolute maximum rating voltage value. Such events may trigger the V
22nF
C2
OSC
VIPerXX0
13V
VDD
39R
R2
-
+
COMP SOURCE
(Optional)
R1
DRAIN
VIPer100/SP - VIPer100A/ASP
D1
Auxilliary winding
DD
bulk capacitor.
DD
internal

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