STMicroelectronics L5991AD
- Part No.:
- L5991AD
- Manufacturer:
- STMicroelectronics
- Category:
- DC DC Switching Controllers
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
L5991AD.pdf
- Description:
- IC REG CTRLR FLYBACK 16SO
- Quantity:
- Payment:

- Shipping:

Inventory:400
Please send an inquiry. Send us your inquiry, and we will respond immediately.
L5991AD Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 16-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Output Type:
- Transistor Driver
- Function:
- Step-Up/Step-Down
- Output Configuration:
- Positive, Isolation Capable
- Topology:
- Flyback
- Number of Outputs:
- 1
- Output Phases:
- 1
- Voltage - Supply (Vcc/Vdd):
- 7.6V ~ 20V
- Frequency - Switching:
- Up to 1MHz
- Duty Cycle (Max):
- 93%
- Synchronous Rectifier:
- Yes
- Clock Sync:
- No
- Serial Interfaces:
- -
- Control Features:
- Current Limit, Frequency Control, Soft Start
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SO
L5991AD FAQ
1.How can I place an order for L5991AD through Aetrix?
1.Please submit a Request for Quotation (RFQ) for L5991AD 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 L5991AD reliable?
The price and inventory of L5991AD are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for L5991AD is usually 5 days.
3.What payment methods are accepted for L5991AD?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for L5991AD transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for L5991AD?
L5991AD orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your L5991AD 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 L5991AD?
5.For technical support, including L5991AD datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your L5991AD requirements.
6.How does Aetrix verify that L5991AD is sourced from the original manufacturer or authorized distributors?
6.All L5991AD 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 L5991AD meets industry standards.
7.What is the process for return or replacement of L5991AD?
All L5991AD units undergo pre-shipment inspection (PSI). If there is an issue with L5991AD, 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 L5991AD part is unused and in its original packaging.
Return procedure for L5991AD:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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