LTC2909IDDB-3.3#TRPBF

Product Overview

Category

The LTC2909IDDB-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.

Characteristics

• Voltage monitoring: The LTC2909IDDB-3.3#TRPBF provides accurate monitoring of voltage levels.
• Power supply sequencing: It ensures proper sequencing of power supplies, preventing potential damage to sensitive components.

Package

The LTC2909IDDB-3.3#TRPBF comes in a small form factor package, making it suitable for space-constrained applications.

Essence

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

Packaging/Quantity

The LTC2909IDDB-3.3#TRPBF is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Voltage Monitoring Threshold: 3.3V
• Operating Temperature Range: -40°C to 85°C
• Output Type: Active Low
• Quiescent Current: 10μA (typical)

Detailed Pin Configuration

The LTC2909IDDB-3.3#TRPBF has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. VIN: Voltage input to be monitored
4. OUT: Active low output indicating voltage status

Functional Features

1. Voltage Monitoring: The LTC2909IDDB-3.3#TRPBF continuously monitors the voltage level at the VIN pin and provides an active low output when the voltage falls below the threshold.
2. Power Supply Sequencing: It ensures proper sequencing of power supplies by monitoring multiple voltage inputs and generating appropriate outputs for controlling power supply enable/disable signals.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring
• Reliable power supply sequencing
• Small form factor package
• Low quiescent current

Disadvantages

• Limited voltage monitoring threshold options
• May require additional external components for specific applications

Working Principles

The LTC2909IDDB-3.3#TRPBF operates based on a voltage comparator circuit. It compares the voltage at the VIN pin with the internally set threshold value. When the voltage drops below the threshold, the output goes active low, indicating a fault condition or the need for power supply sequencing.

Detailed Application Field Plans

The LTC2909IDDB-3.3#TRPBF finds applications in various electronic devices, including:

1. Power management systems
2. Battery-powered devices
3. Industrial control systems
4. Communication equipment
5. Automotive electronics

Detailed and Complete Alternative Models

1. LTC2909IDD-3.3#TRPBF
2. LTC2909IDDB-5#TRPBF
3. LTC2909IDDB-3.3#PBF
4. LTC2909IDDB-5#PBF
5. LTC2909IDD-5#TRPBF

These alternative models offer similar functionality and specifications, providing flexibility in choosing the most suitable option for specific applications.

In conclusion, the LTC2909IDDB-3.3#TRPBF is an integrated circuit used for voltage monitoring and power supply sequencing. Its accurate monitoring capabilities, small form factor package, and reliable performance make it a valuable component in various electronic devices. However, limited voltage threshold options and potential need for additional external components should be considered.