AST1S31PUR

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Part Number	AST1S31PUR
Manufacturer	STMicroelectronics
Category	Integrated Circuits (ICs) › Voltage Regulators - DC DC Switching Regulators
Description	IC REG BUCK ADJ 3A 8VFDFPN
Lifecycle	Active
RoHS	No RoHS Information
EDA/CAD Models	AST1S31PUR PCB Footprint and Symbol
Warehouses	USA, Europe, China, Hong Kong SAR
Estimated Delivery	Dec 11 - Dec 15 2025(Choose Expedited Shipping)
Warranty	Up to 1 year [Limited-Warranty]*
Payment
Shipping

AST1S31PUR Specifications

Part Number:	AST1S31PUR
Brand:	STMicroelectronics
Lifecycle:	Active
RoHS:	Lead free / RoHS Compliant
Category:	Integrated Circuits (ICs)
Subcategory:	Voltage Regulators - DC DC Switching Regulators
Manufacturer:	STMicroelectronics
Product Status:	Active
Function:	Step-Down
Output Configuration:	Positive
Topology:	Buck
Output Type:	Adjustable
Number of Outputs:	1
Voltage - Input (Min):	2.8V
Voltage - Input (Max):	4V
Voltage - Output (Min/Fixed):	0.8V
Voltage - Output (Max):	4V
Current - Output:	3A
Frequency - Switching:	1.5MHz
Synchronous Rectifier:	Yes
Operating Temperature:	-40°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	8-VDFN Exposed Pad
Supplier Device Package:	8-VFDFPN (3x3)

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