Allegro MicroSystems A4491EESTR-T
- Part No.:
- A4491EESTR-T
- Manufacturer:
- Allegro MicroSystems
- Package:
- 20-WFQFN Exposed Pad
- Datasheet:
-
A4491EESTR-T.pdf
- Description:
- IC REG BUCK ADJ TRPL 20QFN
- Quantity:
- Payment:

- Shipping:

Inventory:8,998
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A4491EESTR-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Allegro MicroSystems
- Series:
- -
- Package/Case:
- 20-WFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Adjustable
- Number of Outputs:
- 3
- Voltage - Input (Min):
- 4.5V
- Voltage - Input (Max):
- 23V
- Voltage - Output (Min/Fixed):
- 0.8V
- Voltage - Output (Max):
- 20.7V
- Current - Output:
- -
- Frequency - Switching:
- 550kHz
- Synchronous Rectifier:
- No
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-QFN-EP (4x4)
A4491EESTR-T FAQ
1.How can I place an order for A4491EESTR-T through Aetrix?
Please submit a Request for Quotation (RFQ) for A4491EESTR-T 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 A4491EESTR-T reliable?
The price and inventory of A4491EESTR-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for A4491EESTR-T is usually 5 days.
3.What payment methods are accepted for A4491EESTR-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for A4491EESTR-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for A4491EESTR-T?
A4491EESTR-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your A4491EESTR-T 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 A4491EESTR-T?
For technical support, including A4491EESTR-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your A4491EESTR-T requirements.
6.How does Aetrix verify that A4491EESTR-T is sourced from the original manufacturer or authorized distributors?
All A4491EESTR-T 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 A4491EESTR-T meets industry standards.
7.What is the process for return or replacement of A4491EESTR-T?
All A4491EESTR-T units undergo pre-shipment inspection (PSI). If there is an issue with A4491EESTR-T, 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 A4491EESTR-T part is unused and in its original packaging.
Return procedure for A4491EESTR-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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