Richtek USA Inc. RT8540AGQW
- Part No.:
- RT8540AGQW
- Manufacturer:
- Richtek USA Inc.
- Category:
- LED Drivers
- Package:
- 20-WFQFN Exposed Pad
- Description:
- IC LED DRIVER RGLTR NO 4A 20WQFN
- Quantity:
- Payment:

- Shipping:

Inventory:1,346
Please send an inquiry. Send us your inquiry, and we will respond immediately.
RT8540AGQW Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Richtek USA Inc.
- Series:
- -
- Package/Case:
- 20-WFQFN Exposed Pad
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Type:
- DC DC Regulator
- Topology:
- Step-Up (Boost)
- Internal Switch(s):
- Yes
- Number of Outputs:
- 1
- Voltage - Supply (Min):
- 2.8V
- Voltage - Supply (Max):
- 5.5V
- Voltage - Output:
- 3.83V ~ 5.45V
- Current - Output / Channel:
- 4A
- Frequency:
- 2MHz
- Dimming:
- No
- Applications:
- Camera Flash
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-WQFN (4x4)
RT8540AGQW FAQ
1.How can I place an order for RT8540AGQW through Aetrix?
1.Please submit a Request for Quotation (RFQ) for RT8540AGQW 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 RT8540AGQW reliable?
The price and inventory of RT8540AGQW are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RT8540AGQW is usually 5 days.
3.What payment methods are accepted for RT8540AGQW?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RT8540AGQW transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RT8540AGQW?
RT8540AGQW orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RT8540AGQW 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 RT8540AGQW?
5.For technical support, including RT8540AGQW datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RT8540AGQW requirements.
6.How does Aetrix verify that RT8540AGQW is sourced from the original manufacturer or authorized distributors?
6.All RT8540AGQW 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 RT8540AGQW meets industry standards.
7.What is the process for return or replacement of RT8540AGQW?
All RT8540AGQW units undergo pre-shipment inspection (PSI). If there is an issue with RT8540AGQW, 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 RT8540AGQW part is unused and in its original packaging.
Return procedure for RT8540AGQW:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RT8540AGQW Tags

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BCR402RE6327HTSA1
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BCR420UE6433HTMA1
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BCR420UE6327HTSA1
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BCR421UE6327HTSA1
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LYT1604D-TL
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HV9910CLG-G
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CL2N8-G
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Diodes Incorporated

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BCR420UFD-7
Diodes Incorporated

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BCR421UFD-7
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