Datasheet4U Logo Datasheet4U.com

LTC3107 Datasheet Ultra-Low Voltage Energy Harvester and Primary Battery-Life Extender

Manufacturer: Linear Technology (now Analog Devices)

General Description

n Thermal Energy Harvesting Assisted Power Management System n VOUT Tracks the Primary Battery Voltage n 2.2V LDO Output n Reserve Energy Output, Clamped to 4.3V n Operates from Inputs as Low as 20mV n Battery In-Use Indicator (BAT_OFF) n IQ from Battery: n 80nA When Energy Harvesting n 6µA No Energy Harvesting n Standard, Compact Step-Up Transformer n Small, Thermally Enhanced 10-lead (3mm × 3mm) DFN package Applications n Industrial Wireless Sensing n Remote Sensor and Radio power n HVAC n Automatic Metering n Building Automation, Security n Predictive Maintenance, Condition Monitoring The LTC®3107 is a highly integrated DC/DC converter designed to extend the life of a primary battery in low power wireless systems by harvesting and managing surplus energyfromextremely lowinputvoltage sources suchasTEGs (Thermoelectric Generators) and thermopiles.

The step-up topology operates from input voltages as low as 20mV.

Using a small step-up transformer, the LTC3107 provides a complete power management solution for typical wireless sensor applications that operate from a primary battery.

Key Features

  • LTC3107 Ultra-Low Voltage Energy Harvester and Primary Battery Life Extender.