LTC2919IMS-2.5#TRPBF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	3
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	2.213V, Adj, Adj
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package:	10-MSOP
Base Part Number:	LTC2919

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Introduction

The LTC2919IMS-2.5#TRPBF from Linear Technology is a high precision, ultra-low power supervisor IC that acts as a protector for devices such as processors, memory, and other integrated circuits. As part of Linear Technology’s PMIC Supervisors, the LTC2919IMS-2.5#TRPBF provides uninterrupted power supply and system power monitoring, alerting users whenever there is an undesirable change in system power. Additionally, it eliminates the need for conventional power monitoring and reset circuitry in simple designs, allowing for greater system stability and efficiency.

Product Overview

The LTC2919IMS-2.5#TRPBF manages system power monitoring by keeping track of the system’s current, voltage, and temperature and comparing them to predetermined parameters. In the event of an undesirable change, it is able to take corrective action to ensure system stability and efficiency. It has several features designed to ensure reliable operation, including an adjustable reset output threshold, a power-on reset, and an adjustable power-on reset (POR) delay. The POR delay allows the system to power-up correctly in a predetermined amount of time, while the adjustable reset output threshold allows the device to turn off in the event of a power failure.

Application Fields

The LTC2919IMS-2.5#TRPBF from Linear Technology can be used in a wide variety of applications, from data centers to embedded applications. Its numerous features allow it to be used in low-power systems, including processors, memory, and other integrated circuits. Additionally, its low current consumption and ability to detect system power changes at a wide range of temperatures makes it an ideal choice for battery-powered systems.

Working Principle

The LTC2919IMS-2.5#TRPBF operates by continuously monitoring the system power. Its I/O pins are used to detect the present voltage, current, and temperature and to control the reset output. When the present values exceed the preset values, the reset output will be triggered, triggering a reset of the IC. A power-on reset (POR) feature is also included, allowing the device to power up correctly while suppressing undesirable system behavior. Additionally, the Supervisors are designed to draw minimal current, allowing them to operate without putting too much strain on the system’s components.

Conclusion

The LTC2919IMS-2.5#TRPBF from Linear Technology is an ideal choice for applications that require a reliable, low-power supervisor IC. It provides uninterrupted power supply and system power monitoring, simplifying the design of both low-power and battery-powered systems. It is an excellent choice for both data centers and embedded applications and its adjustable reset output threshold and adjustable power-on reset delay make it an ideal solution for any application requiring a high level of system stability and efficiency.

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