Boost converter delivers 50 mA at 5 V

Capable of 50-mA output currents from inputs ranging from 2.7 to 5.25 V, the AS1301 is an inductorless dc/dc boost converter. It offers low-noise constant-frequency operation from light to higher loads. The 1-MHz switching frequency allows the use of two ≤220-nF flying capacitors and two ≤2.2-µF bypass capacitors.

Providing a regulated output, the AS1301 fits a variety of applications such as alkaline, NiMH, and Li-ion batteries, as well as 5-V boost conversion in portable devices. It features up to 92% efficiency and a

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