ARD00797, MCP16251 One-Cell Boost Converter with External UVLO Circuit Reference Design

Conception de référence par: Microchip Technology

ARD00797, MCP16251 One-Cell Boost Converter with External UVLO Circuit Reference Design
ARD00797, MCP16251 Single Cell Boost Converter With External UVLO Reference Design provides an example of how to optimize applications powered from a single AA cell battery by incorporating a ultra low power external under-voltage lockout circuit with hysteresis. The converter will not (re)start if the battery voltage is lower than 1.14V and will stop working if the battery voltage drops below 0.83V. The external ULVO circuit drains approximately 0.1-0.4 uA before start-up and 1-2 uA after start-up