Buck regulator offers industry-high power conversion efficiency
Analog Devices has introduced an ultralow power buck regulator that extends battery life in portable devices by achieving the industry’s highest ultra-light-load power conversion efficiency. With a 90% efficiency rating and consuming only 180nA quiescent current, the ADP5301 buck regulator is designed to deliver maximum power for a longer period of time than previously achievable.
The device is housed in a tiny WLCSP package that measures less than 3.1mm², which makes it suitable for small form factors and IoT applications, including wireless sensor networks and wearable devices such as fitness bands and smartwatches.
A 6.5 to 2.05V input voltage range enables a wide range of battery sources or architectures. A selectable, low-noise forced PWM mode with low output voltage ripple powers noise-sensitive analogue load up to 500mA output current capability. Integrated voltage supervisory function increases overall system reliability.
The ADP5301 is available now in sample and production quantities, priced at $0.95 per unit in 1,000 unit quantities.
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