LTC2919

PRODUCTION

Precision Triple/Dual Input UV, OV and Negative Voltage Monitor

Data Sheet (Rev. A) Product Selection Table

Part Models: 48
1ku List Price: Starting From $2.12

Viewing:

Overview

Two Low Voltage Adjustable Inputs (0.5V)
Accurate UVLO Provides a Third Monitor Input
Open-Drain RST, OUT1 and OUT2 Outputs
Pin Selectable Input Polarity Allows Negative, UV and OV Monitoring
Guaranteed Threshold Accuracy: ±1.5%
6.5V Shunt Regulator for High Voltage Operation
Low 50µA Quiescent Current

Buffered 1V Reference for Negative Supply Offset
Input Glitch Rejection
Adjustable Reset Timeout Period
Selectable Internal Timeout Saves Components
Outputs Guaranteed Low with V_CC = 0.5V
Space Saving 10-Lead 3mm × 2mm DFN and MSOP Packages
AEC-Q100 Qualified for Automotive Applications

The LTC2919 is a triple/dual input monitor intended for a variety of system monitoring applications. Polarity selection and a buffered reference output allow the LTC2919 to monitor positive and negative supplies for undervoltage (UV) and overvoltage (OV) conditions.

The two adjustable inputs have a nominal 0.5V threshold, featuring tight 1.5% threshold accuracy over the entire operating temperature range. Glitch filtering ensures outputs operate reliably without false triggering. An accurate threshold at the V_CC pin provides a third input supply monitor for a 2.5V, 3.3V or 5V supply.

Two independent output pins indicate the status of each adjustable input. A third common output provides a configurable reset timeout that may be set by an accurate internal 200ms timer, programmed with an external capacitor, or disabled for a fast response. A three-state input pin sets the input polarity of each adjustable input without requiring any external components.

The LTC2919 provides a highly versatile, precise, space-conscious, micropower solution for supply monitoring.

Applications

Desktop and Notebook Computers
Network Servers
Core, I/O Monitor
Automotive

Part Models: 48
1ku List Price: Starting From $2.12

Documentation

Data Sheet 1

LTC2919: Precision Triple/Dual Input UV, OV and Negative Voltage Monitor Data Sheet (Rev.A) 02/11/2008

Reliability Data 1

R413 Reliability Data 03/26/2018

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
LTC2919CDDB-2.5#TRMPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919CDDB-2.5#TRPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919CDDB-3.3#TRMPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919CDDB-3.3#TRPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919CDDB-5#TRMPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919CDDB-5#TRPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919CMS-2.5#PBF	10-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919CMS-2.5#TRPBF	10-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919CMS-3.3#PBF	10-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919CMS-3.3#TRPBF	10-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919CMS-5#PBF	10-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919CMS-5#TRPBF	10-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919HDDB-2.5#TRMPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919HDDB-2.5#TRPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919HDDB-2.5#WTRMPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919HDDB-2.5#WTRPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919HDDB-3.3#TRMPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919HDDB-3.3#TRPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919HDDB-3.3#WTRMPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919HDDB-3.3#WTRPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919HDDB-5#TRMPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919HDDB-5#TRPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919HDDB-5#WTRMPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919HDDB-5#WTRPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919HMS-2.5#PBF	10-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919HMS-2.5#TRPBF	10-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919HMS-3.3#PBF	10-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919HMS-3.3#TRPBF	10-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919HMS-5#PBF	10-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919HMS-5#TRPBF	10-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919IDDB-2.5#TRMPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919IDDB-2.5#TRPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919IDDB-2.5#WTRMPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919IDDB-2.5#WTRPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919IDDB-3.3#TRMPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919IDDB-3.3#TRPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919IDDB-3.3#WTRMPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919IDDB-3.3#WTRPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919IDDB-5#TRMPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919IDDB-5#TRPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919IDDB-5#WTRMPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919IDDB-5#WTRPBF	10-Lead DFN (3mm x 2mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919IMS-2.5#PBF	10-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919IMS-2.5#TRPBF	10-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919IMS-3.3#PBF	10-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919IMS-3.3#TRPBF	10-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919IMS-5#PBF	10-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC2919IMS-5#TRPBF	10-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Feb 14, 2025 - 25_0017 Bond Wire Change from Gold to Copper
		PCN25_0017_Form Material_Report Qualification Results Summary
LTC2919CDDB-2.5#TRMPBF	PRODUCTION
LTC2919CDDB-2.5#TRPBF	PRODUCTION
LTC2919CDDB-3.3#TRMPBF	PRODUCTION
LTC2919CDDB-3.3#TRPBF	PRODUCTION
LTC2919CDDB-5#TRMPBF	PRODUCTION
LTC2919CDDB-5#TRPBF	PRODUCTION
LTC2919CMS-2.5#PBF	PRODUCTION
LTC2919CMS-2.5#TRPBF	PRODUCTION
LTC2919CMS-3.3#PBF	PRODUCTION
LTC2919CMS-3.3#TRPBF	PRODUCTION
LTC2919CMS-5#PBF	PRODUCTION
LTC2919CMS-5#TRPBF	PRODUCTION
LTC2919HDDB-2.5#TRMPBF	PRODUCTION
LTC2919HDDB-2.5#TRPBF	PRODUCTION
LTC2919HMS-3.3#PBF	PRODUCTION
LTC2919HMS-3.3#TRPBF	PRODUCTION
LTC2919IDDB-2.5#TRMPBF	PRODUCTION
LTC2919IDDB-2.5#TRPBF	PRODUCTION
LTC2919IMS-2.5#PBF	PRODUCTION
LTC2919IMS-2.5#TRPBF	PRODUCTION
LTC2919IMS-3.3#PBF	PRODUCTION
LTC2919IMS-3.3#TRPBF	PRODUCTION
LTC2919IMS-5#PBF	PRODUCTION
LTC2919IMS-5#TRPBF	PRODUCTION
Jun 5, 2024 - 24_0004 Epoxy Change from Henkel 8290 to 8290A for MSOP (3)
		PCN24_0004_Form Material_Report Qualification Results Summary Delta Qualification Matrix
LTC2919CMS-2.5#PBF	PRODUCTION
LTC2919CMS-2.5#TRPBF	PRODUCTION
LTC2919CMS-3.3#PBF	PRODUCTION
LTC2919CMS-3.3#TRPBF	PRODUCTION
LTC2919CMS-5#PBF	PRODUCTION
LTC2919CMS-5#TRPBF	PRODUCTION
LTC2919HMS-2.5#PBF	PRODUCTION
LTC2919HMS-2.5#TRPBF	PRODUCTION
LTC2919HMS-3.3#PBF	PRODUCTION
LTC2919HMS-3.3#TRPBF	PRODUCTION
LTC2919HMS-5#PBF	PRODUCTION
LTC2919HMS-5#TRPBF	PRODUCTION
LTC2919IMS-2.5#PBF	PRODUCTION
LTC2919IMS-2.5#TRPBF	PRODUCTION
LTC2919IMS-3.3#PBF	PRODUCTION
LTC2919IMS-3.3#TRPBF	PRODUCTION
LTC2919IMS-5#PBF	PRODUCTION
LTC2919IMS-5#TRPBF	PRODUCTION
Feb 4, 2020 - 20_0130 Laser Top Mark Conversion for 10-Lead MSOP Packages Assembled in ADPG and UTAC
		PCN20_0130_Form Material_Report
LTC2919CMS-2.5#PBF	PRODUCTION
LTC2919CMS-2.5#TRPBF	PRODUCTION
LTC2919CMS-3.3#PBF	PRODUCTION
LTC2919CMS-3.3#TRPBF	PRODUCTION
LTC2919CMS-5#PBF	PRODUCTION
LTC2919CMS-5#TRPBF	PRODUCTION
LTC2919HMS-2.5#PBF	PRODUCTION
LTC2919HMS-2.5#TRPBF	PRODUCTION
LTC2919HMS-3.3#PBF	PRODUCTION
LTC2919HMS-3.3#TRPBF	PRODUCTION
LTC2919HMS-5#PBF	PRODUCTION
LTC2919HMS-5#TRPBF	PRODUCTION
LTC2919IMS-2.5#PBF	PRODUCTION
LTC2919IMS-2.5#TRPBF	PRODUCTION
LTC2919IMS-3.3#PBF	PRODUCTION
LTC2919IMS-3.3#TRPBF	PRODUCTION
LTC2919IMS-5#PBF	PRODUCTION
LTC2919IMS-5#TRPBF	PRODUCTION
Jun 9, 2025 - 25_0043 Change of Gold to Copper Wire and BOM
		PCN25_0043_Form Material_Report Delta Qualification Matrix Qualification Results Summary
LTC2919HDDB-2.5#WTRMPBF	PRODUCTION
LTC2919HDDB-2.5#WTRPBF	PRODUCTION
LTC2919HDDB-3.3#WTRMPBF	PRODUCTION
LTC2919HDDB-3.3#WTRPBF	PRODUCTION
LTC2919HDDB-5#WTRMPBF	PRODUCTION
LTC2919HDDB-5#WTRPBF	PRODUCTION
LTC2919IDDB-2.5#WTRMPBF	PRODUCTION
LTC2919IDDB-2.5#WTRPBF	PRODUCTION
LTC2919IDDB-3.3#WTRMPBF	PRODUCTION
LTC2919IDDB-3.3#WTRPBF	PRODUCTION
LTC2919IDDB-5#WTRMPBF	PRODUCTION
LTC2919IDDB-5#WTRPBF	PRODUCTION
Apr 14, 2025 - 25_0017 Bond Wire Change from Gold to Copper
		PCN25_0017_Form Material_Report Qualification Results Summary
LTC2919HDDB-2.5#WTRMPBF	PRODUCTION
LTC2919HDDB-2.5#WTRPBF	PRODUCTION
LTC2919HDDB-3.3#WTRMPBF	PRODUCTION
LTC2919HDDB-3.3#WTRPBF	PRODUCTION
LTC2919HDDB-5#TRMPBF	PRODUCTION
LTC2919HDDB-5#TRPBF	PRODUCTION
LTC2919HDDB-5#WTRMPBF	PRODUCTION
LTC2919HDDB-5#WTRPBF	PRODUCTION
LTC2919HMS-2.5#PBF	PRODUCTION
LTC2919HMS-2.5#TRPBF	PRODUCTION
LTC2919IDDB-2.5#WTRMPBF	PRODUCTION
LTC2919IDDB-2.5#WTRPBF	PRODUCTION
LTC2919IDDB-3.3#TRMPBF	PRODUCTION
LTC2919IDDB-3.3#TRPBF	PRODUCTION
LTC2919IDDB-3.3#WTRMPBF	PRODUCTION
LTC2919IDDB-3.3#WTRPBF	PRODUCTION
LTC2919IDDB-5#TRMPBF	PRODUCTION
LTC2919IDDB-5#TRPBF	PRODUCTION
LTC2919IDDB-5#WTRMPBF	PRODUCTION
LTC2919IDDB-5#WTRPBF	PRODUCTION

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

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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

LTC2919-25
LTC2919-33
LTC2919-50

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