LTC2927

RECOMMENDED FOR NEW DESIGNS

Single Power Supply Tracking Controller

Part Models: 9
1ku List Price: Starting From $1.92

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Overview

Flexible Power Supply Tracking
Tracks Both Up and Down
Power Supply Sequencing
Supply Stability is Not Affected
Low Pin Count
Controls Single Supply without Series FETs
Adjustable Ramp Rate
Available in 8-Lead ThinSOT^™ and 8-Lead (3mm × 2mm) DFN Packages

The LTC2927 provides a simple solution to power supply tracking and sequencing requirements. By selecting a few resistors, the supply can be configured to ramp-up and ramp-down with differing ramp rates, voltage offsets, or time delays relative to other supplies or a master signal.

By forcing current into a feedback node of an independent supply, the LTC2927 causes the output to track a ramp signal without inserting any pass element losses. Because the current is controlled in an open-loop manner, the LTC2927 does not affect the transient response or stability of the supply. The compact solution at point of load minimizes the trace length of the DC/DC circuit sensitive FB node. Furthermore, it presents a high impedance when power-up is complete, effectively removing it from the DC/DC circuit.

Applications

VCORE and VI/O Supply Tracking
Microprocessor, DSP and FPGA Supplies
Multiple Supply Systems
Point-of-Load Supplies

Part Models: 9
1ku List Price: Starting From $1.92

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
LTC2927CDDB#TRMPBF	8-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2927CDDB#TRPBF	8-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2927CTS8#TRM	8-Lead SOT-23	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2927CTS8#TRMPBF	8-Lead SOT-23	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2927CTS8#TRPBF	8-Lead SOT-23	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2927IDDB#TRMPBF	8-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2927IDDB#TRPBF	8-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2927ITS8#TRMPBF	8-Lead SOT-23	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2927ITS8#TRPBF	8-Lead SOT-23	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Jun 12, 2025 - 25_0047 Carsem SnPb Packaging End of Life
		PDN25_0047_Form Material_Report
LTC2927CTS8#TRM	LAST TIME BUY	PDN25_0047_Form Material_Report
May 24, 2021 - 20_0074 Discontinuation of Sn/Pb Plated Lead Finish Parts for S5, S6, TS8 Packages
		PDN20_0074_Form Material_Report
LTC2927CTS8#TRM	LAST TIME BUY	PDN20_0074_Form Material_Report

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

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
Power System Management (PSM) & Sequencers 1
LTC2974	RECOMMENDED FOR NEW DESIGNS	4-Channel PMBus Power System Manager Featuring Accurate Output Current Measurement

Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

LTC2927

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.