LTC2919CDDB-3.3#TRPBF

Product Overview

Category

LTC2919CDDB-3.3#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for voltage monitoring and power supply sequencing applications.

Characteristics

The LTC2919CDDB-3.3#TRPBF is a precision voltage monitor with an adjustable threshold. It offers accurate monitoring of voltages in the range of 0V to 5V, making it suitable for various low voltage applications. The device operates at a supply voltage of 2.7V to 5.5V and has a quiescent current of only 20µA.

Package

The LTC2919CDDB-3.3#TRPBF comes in a small 8-pin DFN (Dual Flat No-Lead) package, which ensures space-saving integration into electronic circuits.

Essence

The essence of this product lies in its ability to provide precise voltage monitoring and power supply sequencing, enhancing the reliability and performance of electronic systems.

Packaging/Quantity

The LTC2919CDDB-3.3#TRPBF is typically available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Quiescent Current: 20µA
• Voltage Monitoring Range: 0V to 5V
• Adjustable Threshold Voltage
• Operating Temperature Range: -40°C to 85°C
• Package Type: 8-pin DFN

Detailed Pin Configuration

1. GND (Ground)
2. IN (Voltage Input)
3. TH (Threshold Voltage Adjust)
4. VCC (Supply Voltage)
5. FLT (Fault Output)
6. GND (Ground)
7. FLT (Fault Output)
8. VCC (Supply Voltage)

Functional Features

• Precise voltage monitoring with adjustable threshold
• Fault output for indicating out-of-range voltages
• Wide operating voltage range for compatibility with various systems
• Low quiescent current for power efficiency
• Compact package for space-saving integration

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring enhances system reliability
• Adjustable threshold allows customization for specific applications
• Fault output provides real-time indication of voltage anomalies
• Wide operating voltage range ensures compatibility with different power supplies
• Low quiescent current minimizes power consumption

Disadvantages

• Limited to low voltage applications (up to 5V)
• Requires external components for complete functionality

Working Principles

The LTC2919CDDB-3.3#TRPBF operates by comparing the input voltage (IN) with the threshold voltage (TH). If the input voltage exceeds the threshold, a fault signal is generated at the FLT pin. This feature enables the device to monitor voltage levels and detect any deviations from the desired range.

Detailed Application Field Plans

The LTC2919CDDB-3.3#TRPBF finds application in various electronic systems where precise voltage monitoring and power supply sequencing are critical. Some potential application fields include:

1. Battery-powered devices: Ensuring efficient use of battery power by monitoring voltage levels and triggering appropriate actions.
2. Industrial control systems: Monitoring power supply voltages to prevent damage to sensitive equipment and ensure reliable operation.
3. Automotive electronics: Detecting abnormal voltage conditions to protect vehicle components and enhance safety.
4. Telecommunications equipment: Monitoring voltage levels in communication systems to maintain stable operation and prevent failures.
5. Consumer electronics: Enhancing the performance and longevity of electronic devices by monitoring and controlling voltage levels.

Detailed and Complete Alternative Models

1. LTC2917CDDB-3.3#TRPBF: Similar to LTC2919CDDB-3.3#TRPBF, but with additional features for power supply sequencing.
2. MAX16050ETN+: Voltage monitor IC with adjustable threshold and integrated power-on reset function.
3. ADM1185ARUZ: Precision voltage monitor with adjustable threshold and fault detection capabilities.

These alternative models offer similar functionality and can be considered as substitutes for the LTC2919CDDB-3.3#TRPBF in specific applications.

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