LTC2919CDDB-2.5#TRPBF

Product Overview

Category

The LTC2919CDDB-2.5#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

• Voltage monitoring: The LTC2919CDDB-2.5#TRPBF provides accurate monitoring of input voltages.
• Power supply sequencing: It ensures proper power-up and power-down sequencing of multiple voltage rails.
• Low power consumption: The IC operates with low power consumption, making it suitable for battery-powered devices.
• High accuracy: The LTC2919CDDB-2.5#TRPBF offers high precision voltage monitoring.

Package

The LTC2919CDDB-2.5#TRPBF is available in a DFN (Dual Flat No-Lead) package.

Essence

The essence of this product lies in its ability to monitor and control voltage levels, ensuring reliable operation of electronic systems.

Packaging/Quantity

The LTC2919CDDB-2.5#TRPBF is typically packaged in reels and is available in quantities suitable for both small-scale and large-scale production.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Threshold Voltage Accuracy: ±1.5%
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active-Low Open-Drain
• Quiescent Current: 10µA (typical)

Detailed Pin Configuration

The LTC2919CDDB-2.5#TRPBF features the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. VIN: Voltage input to be monitored
4. TH: Threshold voltage pin
5. OUT: Output pin for voltage monitoring status

Functional Features

1. Voltage Monitoring: The LTC2919CDDB-2.5#TRPBF continuously monitors the input voltage and compares it with the threshold voltage.
2. Power Supply Sequencing: It ensures proper sequencing of multiple power supply rails, preventing potential damage to sensitive components.
3. Open-Drain Output: The active-low open-drain output provides flexibility in interfacing with other devices.
4. Adjustable Threshold: The threshold voltage can be adjusted using an external resistor divider network.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring
• Low power consumption
• Flexible open-drain output
• Wide operating temperature range

Disadvantages

• Requires external resistor divider network for threshold adjustment
• Limited input voltage range (2.7V to 5.5V)

Working Principles

The LTC2919CDDB-2.5#TRPBF operates by comparing the input voltage with the threshold voltage set by the TH pin. If the input voltage exceeds the threshold, the output goes low, indicating an overvoltage condition. Conversely, if the input voltage falls below the threshold, the output remains high, indicating a normal voltage level.

Detailed Application Field Plans

The LTC2919CDDB-2.5#TRPBF finds applications in various fields, including:

1. Power Management Systems: It is used in power management systems to monitor and control voltage levels, ensuring stable operation of electronic devices.
2. Battery-Powered Devices: The IC's low power consumption makes it suitable for battery-powered devices such as portable electronics and IoT devices.
3. Industrial Automation: It is employed in industrial automation systems to monitor voltage levels and prevent damage to sensitive equipment.
4. Automotive Electronics: The LTC2919CDDB-2.5#TRPBF is used in automotive electronics to monitor voltage rails and ensure proper power sequencing.

Detailed and Complete Alternative Models

1. LTC2919CDDB-3.3#TRPBF: Similar to LTC2919CDDB-2.5#TRPBF, but with a threshold voltage of 3.3V.
2. LTC2919CDDB-1.8#TRPBF: Similar to LTC2919CDDB-2.5#TRPBF, but with a threshold voltage of 1.8V.
3. LTC2919CDDB-ADJ#TRPBF: Adjustable threshold voltage version, allowing for custom threshold settings.

These alternative models provide similar functionality with varying threshold voltage options to suit different application requirements.

Word count: 520 words