LTC2920-1CS5#TRMPBF

Product Overview

The LTC2920-1CS5#TRMPBF belongs to the category of voltage supervisors and monitors. It is commonly used in electronic systems to monitor power supply voltages and provide reset signals to microcontrollers, ASICs, and other digital devices. The LTC2920-1CS5#TRMPBF is known for its high accuracy, low power consumption, small package size, and robust performance, making it suitable for a wide range of applications. It is available in a 5-lead SOT-23 package and is designed to operate over a temperature range of -40°C to 125°C.

Package and Quantity

The LTC2920-1CS5#TRMPBF is packaged in a 5-lead SOT-23 package, and it is typically available in reels containing a specific quantity based on the manufacturer's specifications.

Specifications

• Operating Temperature Range: -40°C to 125°C
• Supply Voltage Range: 1.6V to 6V
• Reset Threshold Accuracy: ±1.5%
• Quiescent Current: 6µA
• Manual Reset Input
• Open-Drain RST Output

Pin Configuration

The LTC2920-1CS5#TRMPBF features a 5-lead SOT-23 package with the following pin configuration: 1. GND 2. MR (Manual Reset) 3. RST (Reset Output) 4. SENSE- 5. SENSE+

Functional Features

• Precision Monitoring: The LTC2920-1CS5#TRMPBF provides accurate monitoring of supply voltages, ensuring reliable operation of connected digital devices.
• Manual Reset Input: The device includes a manual reset input that allows external control of the reset function.
• Open-Drain RST Output: The open-drain reset output facilitates easy interfacing with various digital systems.

Advantages and Disadvantages

Advantages

• High Accuracy: The LTC2920-1CS5#TRMPBF offers precise voltage monitoring, enhancing system reliability.
• Low Power Consumption: With a quiescent current of 6µA, the device minimizes power usage in electronic systems.
• Small Package Size: The 5-lead SOT-23 package enables compact and space-efficient designs.

Disadvantages

• Limited Supply Voltage Range: The device's operating range of 1.6V to 6V may not be suitable for certain applications requiring higher voltage monitoring.

Working Principles

The LTC2920-1CS5#TRMPBF operates by comparing the monitored supply voltage with a preset threshold. When the supply voltage falls below the threshold, the device asserts the reset output, signaling the connected digital devices to enter a safe state or initiate a reset sequence. The manual reset input allows for external intervention in the reset process, providing flexibility in system control.

Application Field Plans

The LTC2920-1CS5#TRMPBF finds extensive use in various electronic systems, including: - Microcontroller-Based Systems - Industrial Control Systems - Automotive Electronics - Consumer Electronics - Medical Devices

Alternative Models

For applications requiring similar functionality, alternative models to the LTC2920-1CS5#TRMPBF include: - MAX809 - ADM811 - TPS3808

In summary, the LTC2920-1CS5#TRMPBF is a versatile voltage supervisor and monitor with precise monitoring capabilities, low power consumption, and a compact form factor. Its application spans across diverse electronic systems, offering reliable voltage monitoring and reset functionality.

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