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The MAX42403AFLB is a small synchronous buck converter with integrated high-side and low-side switches. With a wide input voltage range of 4.5V to 36V, it can deliver up to 2.5A/3.5A. Voltage quality can be monitored by observing the PGOOD signal. The IC can operate at 99% duty cycle low dropout voltage, making it ideal for industrial applications.

The MAX42403AFLA is available in a small 3mm x 3mm FC2QFN package and uses very few external components.

Features

Versatile, small footprint

Operating input voltage range: 4.5V to 36V

Integrated synchronous DC-DC converter with up to 2.5A/3.5A FETs

27μA quiescent current in hopping mode

Switching frequency: 1.5MHz/400kHz

Spread Spectrum Option

3.5Ms (1.5Mhz)/2.5ms (400kHz) internal soft-start

Programmable output voltage range: 0.8V to 12V

99% duty cycle operating mode for low dropout voltage

High accuracy for safety critical applications

Precision enable thresholds implement fully programmable UVLO thresholds

Accurate windowed PGOOD

Forced PWM and jump modes of operation

Over-temperature, over-voltage and short-circuit protection

3mm x 3mm FC2QFN

Operating temperature range: -40°C to +125°C

Applications

Industrial automation

Point-of-load

Distributed DC power systems

• 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.