LTC1728

PRODUCTION

Micropower Precision Triple Supply Monitors in 8-Lead MSOP and 5-Lead SOT-23 Packages

Data Sheet (Rev. E) Product Selection Table

Part Models: 10
1ku List Price: Starting From $2.06

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Part Details

Monitors Three Inputs Simultaneously

LTC1727-5: 5V, 3.3V and ADJ
LTC1727-2.5: 2.5V, 3.3V and ADJ
LTC1728-5: 5V, 3.3V and ADJ
LTC1728-2.5: 2.5V, 3.3V and ADJ
LTC1728-1.8: 3V, 1.8V and ADJ
LTC1728-3.3: 3.3V, 1.8V and ADJ

±1.5% Threshold Accuracy Over Temperature
Very Low Supply Current: 10µA Typ

200ms Reset Time Delay
Active Low RESET Output
Power Supply Glitch Immunity
Guaranteed RESET for V_CC3 ≥ 1V or V_CC5/V_CC25/V_CC18 ≥ 1V
LTC1727 Includes Monitor Output for Each Supply
LTC1727: 8-Lead MSOP and SO Packages
LTC1728: 5-Lead SOT-23 Package

Part Models: 10
1ku List Price: Starting From $2.06

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
LTC1728ES5-1.8#TRMPBF	5-Lead TSOT-23	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1728ES5-1.8#TRPBF	5-Lead TSOT-23	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1728ES5-2.5#TRMPBF	5-Lead TSOT-23	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1728ES5-2.5#TRPBF	5-Lead TSOT-23	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1728ES5-3.3#TRMPBF	5-Lead TSOT-23	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1728ES5-3.3#TRPBF	5-Lead TSOT-23	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1728ES5-5#TRMPBF	5-Lead TSOT-23	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1728ES5-5#TRPBF	5-Lead TSOT-23	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1728HS5-5#TRMPBF	5-Lead TSOT-23	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1728HS5-5#TRPBF	5-Lead TSOT-23	Material Declaration Reliablity Data	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
LTC1728ES5-1.8#TRMPBF	PRODUCTION
LTC1728ES5-1.8#TRPBF	PRODUCTION
LTC1728ES5-2.5#TRMPBF	PRODUCTION
LTC1728ES5-2.5#TRPBF	PRODUCTION
LTC1728ES5-5#TRMPBF	PRODUCTION
LTC1728ES5-5#TRPBF	PRODUCTION
LTC1728HS5-5#TRMPBF	PRODUCTION
LTC1728HS5-5#TRPBF	PRODUCTION
Apr 14, 2025 - 25_0017 Bond Wire Change from Gold to Copper
		PCN25_0017_Form Material_Report Qualification Results Summary
LTC1728ES5-3.3#TRMPBF	PRODUCTION
LTC1728ES5-3.3#TRPBF	PRODUCTION

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

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Tools & Simulations

LTspice 1

LTC1728 - Supervisory Circuits

Models for the following parts are available in LTspice:

LTC1728-1.8
LTC1728-2.5
LTC1728-3.3
LTC1728-5

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.

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LTC1728

Part Details

Documentation

Data Sheet 1

Reliability Data 1

Technical Articles 1

Product Selector Card 1