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VIPER12AS-E Datasheet(PDF) 3 Page - STMicroelectronics

Part # VIPER12AS-E
Description  Low Power OFF-Line SMPS Primary Switcher
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VIPER12AS-E Datasheet(HTML) 3 Page - STMicroelectronics

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VIPer12ADIP/ AS - E
Electrical data
DocRev1
3/21
1
Electrical data
1.1
Maximum rating
Stressing the device above the rating listed in the “Absolute Maximum Ratings” table may
cause permanent damage to the device. These are stress ratings only and operation of the
device at these or any other conditions above those indicated in the Operating sections of
this specification is not implied. Exposure to Absolute Maximum Rating conditions for
extended periods may affect device reliability. Refer also to the STMicroelectronics SURE
Program and other relevant quality documents.
Note:
1
This parameter applies when the start-up current source is OFF. This is the case when the
VDD voltage has reached VDDon and remains above VDDoff.
2
This parameter applies when the start up current source is on. This is the case when the
VDD voltage has not yet reached VDDon or has fallen below VDDoff.
1.2
Thermal data
Table 1.
Absolute maximum rating
Symbol
Parameter
Value
Unit
VDS(sw) Switching drain source voltage (TJ = 25 ... 125°C) Note 1
-0.3 ... 730
V
VDS(st)
Start-up drain source voltage (TJ = 25 ... 125°C) Note 2
-0.3 ... 400
V
ID
Continuous drain current
Internally limited
A
VDD
Supply voltage
0 ... 50
V
IFB
Feedback current
3
mA
VESD
Electrostatic discharge:
Machine model (R = 0
Ω; C = 200pF)
Charged device model
200
1.5
V
kV
TJ
Junction operating temperature
Internally limited
°C
TC
Case operating temperature
-40 to 150
°C
Tstg
Storage Temperature
-55 to 150
°C
Table 2.
Thermal data
Symbol
Parameter
SO-8
DIP-8
Unit
RthJC
Thermal Resistance Junction-case
Max
25
15
°C/W
RthJA
Thermal Resistance Ambient-case (1)
1.
When mounted on a standard single-sided FR4 board with 200 mm2 of Cu (at least 35 µm thick)
connected to all DRAIN pins.
Max
55
45
°C/W


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