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LTC7840IUFD is a dual phase dual output, constant frequency current mode, nonsynchronous boost controller that drives N-channel power MOSFETs. The nonsynchronous topology makes the output voltage dependent on the choice of external components.

Feature

Wide VIN Range: 5.5V to 60V

Configurable for Dual Phase Single/Dual Output Operation

Peak Current Mode Control with Smooth Quadratic Slope Compensation and Dynamic Slope Recovery

Adjustable Max Duty Cycle

Adjustable Min On-Time

Hiccup Mode for Overcurrent Protection

Adjustable Current Sense Limit

Output Overvoltage Protection

Programmable and Phase-Lockable Operating Frequency (from 50kHz to 425kHz)

Adjustable Soft-Start Current Ramping

±1% Internal Voltage Reference

Internal 10V LDO Regulator for Gate Driver

Two RUN Pins and Dual Power Good Monitors

Flexible Topology for Boost, SEPIC and Flyback

Application

Automotive System, Telecom System and Industrial Power Supplies

• 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.