STMicroelectronics AST1S31HF
- Part No.:
- AST1S31HF
- Manufacturer:
- STMicroelectronics
- Package:
- 8-VDFN Exposed Pad
- Datasheet:
-
AST1S31HF.pdf
- Description:
- IC REG BUCK ADJ 3A 8VFDFPN
- Quantity:
- Payment:

- Shipping:

Inventory:4,837
Please send an inquiry. Send us your inquiry, and we will respond immediately.
AST1S31HF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 8-VDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- 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:
- 2.3MHz
- Synchronous Rectifier:
- Yes
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-VFDFPN (3x3)
AST1S31HF FAQ
1.How can I place an order for AST1S31HF through Aetrix?
Please submit a Request for Quotation (RFQ) for AST1S31HF on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AST1S31HF reliable?
The price and inventory of AST1S31HF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AST1S31HF is usually 5 days.
3.What payment methods are accepted for AST1S31HF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AST1S31HF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AST1S31HF?
AST1S31HF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AST1S31HF order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AST1S31HF?
For technical support, including AST1S31HF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AST1S31HF requirements.
6.How does Aetrix verify that AST1S31HF is sourced from the original manufacturer or authorized distributors?
All AST1S31HF products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AST1S31HF meets industry standards.
7.What is the process for return or replacement of AST1S31HF?
All AST1S31HF units undergo pre-shipment inspection (PSI). If there is an issue with AST1S31HF, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AST1S31HF part is unused and in its original packaging.
Return procedure for AST1S31HF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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