LTC3109
Features
Auto-Polarity, Ultralow Voltage Step-Up Converter and Power Manager Description n Operates from Inputs as Low as ±30m V n Less Than ±1°C Needed Across TEG to Harvest
Energy n Proprietary Auto-Polarity Architecture n plete Energy Harvesting Power Management
System
- Selectable VOUT of 2.35V, 3.3V, 4.1V or 5V
- 2.2V, 5m A LDO
- Logic-Controlled Output
- Energy Storage Capability for Operation During
Power Interruption n Power Good Indicator n Uses pact Step-up Transformers n Small, 20-lead (4mm × 4mm) QFN Package or 20-Lead SSOP
Applications n Remote Sensor and Radio Power n HVAC Systems n Automatic Metering n Building Automation n Predictive Maintenance n Industrial Wireless Sensing
The LTC®3109 is a highly integrated DC/DC converter ideal for harvesting surplus energy from extremely low input voltage sources such as TEGs (thermoelectric generators) and thermopiles. Its unique, proprietary autopolarity topology- allows it to operate from input...
