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Si4812BDY Datasheet(PDF) 2 Page - Vishay Siliconix

Part # Si4812BDY
Description  5 V, 3 A Current-Mode Constant On-Time Synchronous Buck Regulator
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Manufacturer  VISHAY [Vishay Siliconix]
Direct Link  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

Si4812BDY Datasheet(HTML) 2 Page - Vishay Siliconix

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SiP12107
www.vishay.com
Vishay Siliconix
S12-0412-Rev. B, 20-Feb-12
2
Document Number: 63395
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation
of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device reliability.
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL PARAMETER
CONDITIONS
LIMIT
UNIT
VIN
Reference to PGND
- 0.3 to 6
V
AVIN
Reference to AGND
- 0.3 to 6
LX
Reference to PGND
- 0.3 to 6
AGND to PGND
- 0.3 to + 0.3
All Logic Inputs
Reference to AGND
- 0.3 to AVIN + 0.3
TEMPERATURE
Max. Operating Junction Temperature
150
°C
Storage Temperature
- 65 to 150
POWER DISSIPATION
Junction to Ambient Thermal Impedance
(RthJA)
36.3
°C/W
Maximum Power Dissipation
Ambient Temperature = 25 °C
3.4
W
Ambient Temperature = 100 °C
1.3
ESD PROTECTION
HBM
2
kV
RECOMMENDED OPERATING RANGE
ELECTRICAL PARAMETER
MINIMUM
TYPICAL
MAXIMUM
UNIT
VIN
2.8
-
5.5
V
AVIN
2.8
-
5.5
LX
- 1
-
5.5
VOUT
0.6
-
0.85 x VIN
Ambient Temperature
- 40 to 85
°C


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