Offline buck converter has strict standby restrictions for IoT
Designed for low-power IoT applications, the AL17050 is a universal offline buck converter from Diodes.
It has a wide AC input voltage range and integrated MOSFET to generate a constant voltage for low-power applications that need to comply with strict standby power restrictions.
The AL17050 has been developed to accept an AC input voltage between 85 and 265V AC, making it suitable for use in any region, notes Diodes. The internal MOSFET is able to withstand voltages of up to 500V yet is optimised for low-power applications, meaning the device only consumes 100 microA of static current. The device automatically adjusts to low loads for efficiency.
The non-isolated design minimises the bill of materials (BoM) for manufacturers developing applications for the IoT, such as smart appliances, smart sensors, and connected lighting. The AL17050 delivers a constant 3.3V/5V at up to 60mA for devices based on low power microcontrollers that integrated IoT connectivity such as Bluetooth LE or Zigbee.
Manufacturers can use the AL17050 to develop IoT applications that are powered directly from a high-voltage AC supply with power efficiency.
The AL17050 also integrates protection against over-temperature, over-load, output-short, and open-loop conditions. It is available in the SOT25 package and requires very few additional components in a buck converter configuration, making it suitable for small products where space is limited.
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