LDO regulator targets wireless IoT sensors

LDO regulator targets wireless IoT sensors

New Products |
By Rich Pell

A consistent voltage output with low noise (100μVRMS) is necessary for low-power radio devices, such as LoRa-based sensors, to function without noise interference with radio information transmission. The nanoSmart SC573 has a low quiescent current of 50μA that extends the operating life for battery-powered IoT sensors up to 10 years but also provides and output noise of 100μVRMS /V.

It has an internal 100Ω output discharge and a dropout at 300mA load of 180mV and so is aimed at developers designing solutions for industrial and consumer applications including smart metering and smart buildings.

“The nanoSmart LDO is essential for low power devices that need continuous supply voltage,” said Francois Ricodeau, Senior Product Line Manager for Semtech’s Wireless and Sensing Products Group. “The combined functionality of low noise and energy savings makes nanoSmart the regulator of choice for LoRa-based applications, and consumer and industrial electronics.”

The nanoSmart LDO is currently available in 2 voltages (3.3V and 1.8V) and is priced at $0.13 in volumes of 10,000 units.

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