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The LT3476IUHF is a quad output DC/DC converter designed to be used as a constant current source to drive high current LEDs. The fixed-frequency, current-mode architecture provides stable operation over a wide range of supply and output voltages. A frequency adjustment pin allows the user to set the switching frequency from 200kHz to 2MHz to optimise efficiency and external component size.

Benefits and Features

True Color PWM™ dimming provides dimming ratios up to 1000:1 (in boost mode)

LED current regulation with high-side detection

VADJ pin accurately sets the LED current detection threshold over a range of 10mV to 120mV

4 independent driver channels with 1.5A, 36V internal NPN switches

Frequency regulation pin: 200kHz to 2MHz

High efficiency conversion: up to 96 per cent

Open LED protection

Low shutdown mode current <10µA

Wide VIN range: 2.8V to 16V

Thermally enhanced 38-pin 5mm x 7mm QFN package

Applications

RGGB lighting

Automotive and avionics lighting

TFT LCD backlighting

Constant current sources

• 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.