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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsAST1S31HF
AST1S31HF Image
Image may be representation.
See specifications for product details.

AST1S31HF - STMicroelectronics

Manufacturer Part Number
AST1S31HF
Manufacturer
STMicroelectronics
Allelco Part Number
32D-AST1S31HF
ECAD Model
Parts Description
IC REG BUCK ADJ 3A 8VFDFPN
Detailed Description
Package
8-VDFN Exposed Pad
Data sheet
Cylindrical Battery Holders.pdf
RoHs Status
ROHS3 Compliant
In stock: 15407

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Quantity

Specifications

AST1S31HF Tech Specifications
STMicroelectronics - AST1S31HF technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - AST1S31HF

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage - Output (Min/Fixed) 0.8V  
Voltage - Output (Max) 4V  
Voltage - Input (Min) 2.8V  
Voltage - Input (Max) 4V  
Topology Buck  
Synchronous Rectifier Yes  
Supplier Device Package 8-VFDFPN (3x3)  
Series Automotive, AEC-Q100  
Package / Case 8-VDFN Exposed Pad  
Product Attribute Attribute Value  
Package Tape & Reel (TR)  
Output Type Adjustable  
Output Configuration Positive  
Operating Temperature -40°C ~ 150°C (TJ)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Down  
Frequency - Switching 2.3MHz  
Current - Output 3A  
Base Product Number AST1S31  

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics AST1S31HF

Product Attribute AST1S31HF AST1S31PUR AST16A60X1102 AST1300A1-GP
Part Number AST1S31HF AST1S31PUR AST16A60X1102 AST1300A1-GP
Manufacturer STMicroelectronics STMicroelectronics COILANK ASPEED
Voltage - Input (Min) 2.8V 2.8V - -
Output Type Adjustable Adjustable - -
Topology Buck Buck - -
Voltage - Output (Max) 4V 4V - -
Package / Case 8-VDFN Exposed Pad 8-VDFN Exposed Pad - -
Voltage - Input (Max) 4V 4V - -
Output Configuration Positive Positive - -
Frequency - Switching 2.3MHz 1.5MHz - -
Package Tape & Reel (TR) Tape & Reel (TR) - -
Synchronous Rectifier Yes Yes - -
Series Automotive, AEC-Q100 - - -
Supplier Device Package 8-VFDFPN (3x3) 8-VFDFPN (3x3) - -
Operating Temperature -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) - -
Voltage - Output (Min/Fixed) 0.8V 0.8V - -
Mounting Type Surface Mount Surface Mount - -
Current - Output 3A 3A - -
Number of Outputs 1 1 - -
Base Product Number AST1S31 AST1S31 - -
Function Step-Down Step-Down - -

AST1S31HF Datasheet PDF

Download AST1S31HF pdf datasheets and STMicroelectronics documentation for AST1S31HF - STMicroelectronics.

PCN Packaging
2.73KHz.pdf
HTML Datasheet
Cylindrical Battery Holders.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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AST1S31HF Image

AST1S31HF

STMicroelectronics
32D-AST1S31HF

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