Linear Technology's LTC2905IDDB#TRMPBF Precision Dual Voltage Monitor

The LTC2905IDDB#TRMPBF is a highly accurate dual voltage monitor, designed to safeguard system voltages and ensure operational stability in a variety of applications. Manufactured by Linear Technology, now part of Analog Devices, this component offers precision monitoring of two supply voltages without the need for an external resistor divider, simplifying design and enhancing reliability.

Key Features

• Wide Operating Voltage Range: The LTC2905IDDB#TRMPBF operates over a wide supply range of 2.7V to 5.5V, making it suitable for monitoring 3.3V and 5V power supply rails, which are common in digital systems.
• Adjustable Reset Thresholds: This voltage monitor comes with internally fixed thresholds for monitoring a 5V supply and an adjustable threshold for the second voltage, which can be set using an external resistor divider. This flexibility allows for precise monitoring tailored to specific system requirements.
• Low Power Consumption: The device features a low quiescent current of 30µA, making it ideal for power-sensitive applications such as portable or battery-operated devices.
• Guaranteed Reset Output: The LTC2905IDDB#TRMPBF provides a guaranteed reset output down to 1.2V for the monitored supply, ensuring reliable system reset even during low voltage conditions.
• Multiple Reset Timeout Periods: It offers selectable reset timeout periods, allowing designers to choose the appropriate delay for their system's reset de-bounce period.
• Temperature Range: The device operates over a wide temperature range from -40°C to 125°C, accommodating a broad spectrum of environmental conditions.
• Packaging: It comes in a compact 8-lead DFN package with a 3mm x 3mm footprint, which is ideal for space-constrained applications.

Applications

The LTC2905IDDB#TRMPBF is versatile and can be used in a variety of applications, including:

• Computers and Servers
• Portable and Battery-powered Equipment
• Industrial Systems
• Automotive Electronics
• Networking and Telecommunication Infrastructure

With its precision monitoring capabilities and robust feature set, the LTC2905IDDB#TRMPBF is an excellent choice for designers looking to enhance system reliability through vigilant voltage supervision.