Can I request technical information for AST1S31HF?

Yes. Contact our team for datasheets, package information, product specifications, alternative parts and sourcing support related to AST1S31HF.

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AST1S31HF STMicroelectronics product image

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Contact our sourcing team for current stock, batch information, lead time, technical documents, alternative parts and volume pricing.

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: Technical Documents
Datasheet and specification confirmation for engineers.

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STMicroelectronics RFQ AVAILABLE

AST1S31HF

IC REG BUCK ADJ 3A 8VFDFPN

Part Number: AST1S31HF

Manufacturer: STMicroelectronics

Category: Voltage Regulators - DC DC Switching Regulators

Package: 8-VDFN Exposed Pad

Datasheet:: AST1S31HF.pdf

Description: IC REG BUCK ADJ 3A 8VFDFPN

Select Quantity Stock: 4,837

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TECHNICAL RESOURCES

AST1S31HF Technical Information

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Specifications

Product Attribute: Attribute Value

Part Number: AST1S31HF

Manufacturer: STMicroelectronics

Package: 8-VDFN Exposed Pad

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)

Frequently Asked Questions

1. How can I order AST1S31HF from Haishengye Electronics?

Submit an RFQ directly on this page with your required quantity, target price and delivery requirements. Our sales team will review the request and provide a quotation.

2. How does Haishengye Electronics verify the quality of AST1S31HF?

We work with qualified suppliers and review sourcing channels, traceability, packaging and product condition before shipment.

3. Are the stock and price of AST1S31HF updated in real time?

Electronic component inventory and prices may change frequently. Displayed values are references, and final stock and pricing will be confirmed in the quotation.

4. Which payment methods are supported?

Wire Transfer, PayPal, Alipay, WeChat, Credit Card, Western Union, MoneyGram and Escrow may be supported depending on the order and destination.

5. How is international shipping arranged?

International shipping may be arranged through DHL, UPS, FedEx, TNT and other logistics channels. Tracking information will be provided after shipment.

6. What is the return or replacement process for AST1S31HF?

Contact our sales team within the agreed period if there are quantity differences, incorrect items or clear external defects. Products should remain unused and in their original packaging.

7. Can I request technical support for AST1S31HF?

Yes. Contact our team for datasheets, package details, product specifications, alternative parts and sourcing assistance.

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Packaging and Shipping Protection

Step 1 Product Inspection

Step 2 Casing & Dry Pipe

Step 3 Anti-static Bags

Step 4 Inner Carton

Step 5 Shipping Label

Step 6 International Delivery

Packaging may be adjusted according to product type, quantity, moisture sensitivity and destination requirements.

AST1S31HF Procurement and Technical Support

AST1S31HF is manufactured by STMicroelectronics. This page provides purchasing information including manufacturer, category, package, datasheet, stock reference, price reference and product specifications.

Haishengye Electronics supports customers sourcing AST1S31HF and related electronic components for prototype development, maintenance, NPI, production preparation and one-stop BOM procurement.

Submit an RFQ to request the latest stock, price, lead time, batch information, alternative parts, package confirmation or technical documents for AST1S31HF.

Part Number: AST1S31HF

Manufacturer: STMicroelectronics

Package: 8-VDFN Exposed Pad

Category: Voltage Regulators - DC DC Switching Regulators

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Shipping Method

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Shipped From

Shenzhen warehouse

Dispatch Time

Usually 1–3 business days after confirmation

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