LTC3109 - Linear Technology

LTC3109 Ultralow Voltage Step-Up Converter and Power Manager

n Operates from Inputs as Low as ±30mV n Less Than ±1°C Needed Across TEG to Harvest Energy n Proprietary Auto-Polarity Architecture n Complete Energy Harvesting Power Management System – Selectable VOUT of 2.35V, 3.3V, 4.1V or 5V – 2.2V, 5mA LDO – Logic-Controlled Output – Energy Storage Capability for Operation During Power Interruption n .

Features

Auto-Polarity, Ultralow Voltage Step-Up Converter and Power Manager Description n Operates from Inputs as Low as ±30mV n Less Than ±1°C Needed Across TEG to Harvest Energy n Proprietary Auto-Polarity Architecture n Complete Energy Harvesting Power Management System
  – Selectable VOUT of 2.35V, 3.3V, 4.1V or 5V
  – 2.2V, 5mA LDO
  – Logic-Controlled Output
  – Energy Storage Capability for Operation During Power Interruption n Power Good Indicator n Uses Compact Step-up Transformers n Small, 20-lead (4mm × 4mm) QFN Package or 20-Lead SSOP Applications n Remote Sensor and Radio P.