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Si4812BDY Datasheet(PDF) 9 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) 9 Page - Vishay Siliconix

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SiP12107
www.vishay.com
Vishay Siliconix
S12-0412-Rev. B, 20-Feb-12
9
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
Startup PWM: 3 A Load
Load Step PSM: 0 A to 1.5 A Load (undershoot)
Load Step PSM: 0 A to 3 A Load (undershoot)
Shutdown PWM: 3 A Load
Load Step PSM 0 A to 1.5 A Load (overshoot)
Load Step PSM: 0 A to 3 A Load (overshoot)
VIN = 2 V/div
VOUT = 1 V/div
PGOOD = 2 V/div
LX = 2 V/div
VOUT = 100 mV/div
ILOAD = 1 A/div
LX = 2 V/div
VOUT = 200 mV/div
ILOAD = 5 A/div
LX = 2 V/div
VIN = 2 V/div
VOUT = 1 V/div
PGOOD = 2 V/div
LX = 2 V/div
VOUT = 100 mV/div
ILOAD = 1 A/div
LX = 2 V/div
VOUT = 200 mV/div
ILOAD = 5 A/div
LX = 2 V/div


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