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The NCP1343FNAAABCD1R2G is a highly integrated quasi-resonant flyback controller for designing high-performance off-line power converters. A proprietary valley lock circuit is used to ensure stable valley switching. The system operates up to valley 6 and switches to frequency foldback mode to reduce switching losses. As the load is further reduced, the device enters a mute-warp mode to manage the power output while minimising acoustic noise. A power offset mode (PEM) is also integrated to minimise transformer size in designs requiring high transient load capability.

Product Attributes

Output Isolation: Isolated

Internal Switching: None

Voltage - Breakdown: 700V

Topology: Flyback

Voltage - Startup: 17 V

Voltage - Supply (Vcc/Vdd): 9V ~ 28V

Duty Cycle: 75%

Frequency - Switching: 500kHz

Fault Protection: Current Limit, Overload, Over Temperature, Over Voltage, Short Circuit

Control Characteristics: Frequency Control, Soft Start

Operating Temperature: -40°C ~ 125°C (TJ)

Package/Shell: 10-SOP (0.154", 3.90mm Width), 9 Leads

Supplier Device Package: 9-SOIC

Mounting Type: Surface Mount

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.