LTC2919HDDB-3.3#TRMPBF

Product Overview

Category

The LTC2919HDDB-3.3#TRMPBF 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 LTC2919HDDB-3.3#TRMPBF provides accurate monitoring of input voltages.
• Power supply sequencing: It enables controlled power-up and power-down sequences for multiple power supplies.
• High precision: The IC offers high accuracy in voltage monitoring, ensuring reliable operation of the device it is integrated into.
• Low power consumption: The LTC2919HDDB-3.3#TRMPBF is designed to consume minimal power, making it suitable for battery-powered applications.

Package

The LTC2919HDDB-3.3#TRMPBF comes in a small form factor package, allowing for easy integration onto circuit boards.

Essence

The essence of this product lies in its ability to monitor voltages and control power supply sequencing, ensuring proper functioning and protection of electronic devices.

Packaging/Quantity

The LTC2919HDDB-3.3#TRMPBF is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to 85°C
• Quiescent Current: 10µA (typical)
• Accuracy: ±1.5% (typical)

Detailed Pin Configuration

The LTC2919HDDB-3.3#TRMPBF has the following pin configuration:

1. VIN1: Input voltage 1
2. VIN2: Input voltage 2
3. GND: Ground
4. VCC: Power supply voltage
5. SEQ: Sequencing control input
6. FLT: Fault output
7. EN: Enable input

Functional Features

1. Voltage Monitoring: The LTC2919HDDB-3.3#TRMPBF accurately monitors the input voltages and provides a fault output (FLT) if any of the monitored voltages fall outside the specified range.
2. Power Supply Sequencing: It allows for controlled power-up and power-down sequences, ensuring proper operation and preventing potential damage to the device.
3. Enable Control: The enable input (EN) allows for easy on/off control of the monitoring and sequencing functions.
4. Fault Detection: The fault output (FLT) signals any voltage faults detected by the LTC2919HDDB-3.3#TRMPBF.

Advantages and Disadvantages

Advantages

• High accuracy in voltage monitoring ensures reliable operation of electronic devices.
• Low power consumption makes it suitable for battery-powered applications.
• Small form factor package enables easy integration onto circuit boards.
• Controlled power supply sequencing prevents potential damage to devices during power-up and power-down.

Disadvantages

• Limited input voltage range (2.7V to 5.5V).
• Operating temperature range may not be suitable for extreme environments.

Working Principles

The LTC2919HDDB-3.3#TRMPBF operates by continuously monitoring the input voltages (VIN1 and VIN2). If any of the monitored voltages fall outside the specified range, a fault output (FLT) is triggered. Additionally, the sequencing control input (SEQ) allows for controlled power-up and power-down sequences, ensuring proper operation and protection of the device.

Detailed Application Field Plans

The LTC2919HDDB-3.3#TRMPBF finds applications in various electronic devices, including: - Power management systems - Battery-powered devices - Industrial control systems - Communication equipment - Automotive electronics

Detailed and Complete Alternative Models

1. LTC2919IDDB-3.3#TRMPBF: Similar to LTC2919HDDB-3.3#TRMPBF but with a different package.
2. LTC2919HDDB-5#TRMPBF: Similar functionality as LTC2919HDDB-3.3#TRMPBF but with a higher input voltage range.

These alternative models provide similar voltage monitoring and power supply sequencing capabilities, catering to different application requirements.

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