LTC3109

RECOMMENDED FOR NEW DESIGNS

Auto-Polarity, Ultralow Voltage Step-Up Converter and Power Manager

Data Sheet

Part Models: 8
1ku List Price: Starting From $4.72

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Part Details

Operates from Inputs as Low as ±30mV
Less Than ±1°C Needed Across TEG to Harvest Energy
Proprietary Auto-Polarity Architecture
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
Power Good Indicator
Uses Compact Step-up Transformers
Small, 20-lead (4mm × 4mm) QFN Package or 20-Lead SSOP

Part Models: 8
1ku List Price: Starting From $4.72

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LTC3109EGN#PBF	20-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3109EGN#TRPBF	20-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3109EUF#PBF	20-Lead QFN (4mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3109EUF#TRPBF	20-Lead QFN (4mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3109IGN#PBF	20-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3109IGN#TRPBF	20-Lead SSOP (Narrow 0.15 Inch)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3109IUF#PBF	20-Lead QFN (4mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3109IUF#TRPBF	20-Lead QFN (4mm x 4mm x 0.75mm w/ EP)	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Aug 10, 2022 - 22_0177 Laser Top Mark Conversion for QSOP20_24_28 Assembled in ADPG [PNG] and UTL
		PCN22_0177_Form Material_Report Delta Qualification Matrix
LTC3109EGN#PBF	PRODUCTION
LTC3109EGN#TRPBF	PRODUCTION
LTC3109IGN#PBF	PRODUCTION
LTC3109IGN#TRPBF	PRODUCTION
Jan 20, 2022 - 21_0269 Addition of Alternate Assembly Site ASE Taiwan for Select LFCSP Products
		PCN21_0269_Form Material_Report Detailed Change Description Qualification Results Summary
LTC3109EUF#PBF	PRODUCTION
LTC3109EUF#TRPBF	PRODUCTION
LTC3109IUF#PBF	PRODUCTION
LTC3109IUF#TRPBF	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Hardware Ecosystem

Parts	Product Life Cycle	Description
Supervisory Circuits & Reset ICs 1
LTC2935	PRODUCTION	Ultra-Low Power Supervisor with Power-Fail Output, Selectable Thresholds
Switching Regulators & Controllers 1
LTC3588-1	RECOMMENDED FOR NEW DESIGNS	Nanopower Energy Harvesting Power Supply

Tools & Simulations

LTspice 1

LTC3109 - Power Management

Models for the following parts are available in LTspice:

LTC3109

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.