Low-quiescent DC/DC buck converter

Overview

Supply active and always-on domains from a single converter.

Key Features

  • Extend battery lifetime:​
  • - in active mode: high power efficiency​
  • - in deep sleep mode: low quiescent current​​
  • Low ripple compatible with noise sensitive blocs​​
  • Small, low-cost inductor: 1 to 2.2 µH​
  • Optional Vref output​

Block Diagram

Low-quiescent DC/DC buck converter Block Diagram

Technical Specifications

Foundry, Node
TSMC 22nm uLL
Maturity
Pre-silicon
TSMC
Pre-Silicon: 22nm
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Semiconductor IP