LTC2919CDDB-5#TRMPBF

Product Overview

Category

LTC2919CDDB-5#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 LTC2919CDDB-5#TRMPBF provides accurate monitoring of multiple voltage levels.
• Power supply sequencing: It enables controlled power-up and power-down sequences, ensuring proper operation of complex systems.
• Low power consumption: The IC is designed to consume minimal power, making it suitable for battery-powered devices.
• High accuracy: The LTC2919CDDB-5#TRMPBF offers precise voltage monitoring with low tolerance.

Package

The LTC2919CDDB-5#TRMPBF comes in a small form factor package, which is DFN (Dual Flat No-Lead) with 8 pins.

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 LTC2919CDDB-5#TRMPBF 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
• Operating Temperature Range: -40°C to +85°C
• Input Voltage Range: 0V to VCC
• Voltage Threshold Accuracy: ±1.5%
• Quiescent Current: 10µA (typical)
• Output Type: Active-Low/Open-Drain
• Pin Count: 8

Detailed Pin Configuration

1. GND: Ground connection
2. IN1: Input voltage 1
3. IN2: Input voltage 2
4. IN3: Input voltage 3
5. IN4: Input voltage 4
6. OUT1: Output for voltage 1 monitoring
7. OUT2: Output for voltage 2 monitoring
8. OUT3: Output for voltage 3 monitoring

Functional Features

• Voltage Monitoring: The LTC2919CDDB-5#TRMPBF can monitor up to four different voltage levels simultaneously.
• Power Supply Sequencing: It allows controlled power-up and power-down sequences, preventing potential damage to sensitive components.
• Adjustable Thresholds: The voltage thresholds for monitoring can be adjusted using external resistors.
• Fault Detection: The IC can detect undervoltage and overvoltage conditions, triggering appropriate actions or alerts.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures reliable operation of electronic devices.
• Low power consumption extends battery life in portable applications.
• Small form factor package enables space-saving designs.
• Adjustable thresholds provide flexibility for various voltage level requirements.

Disadvantages

• Limited to monitoring up to four voltage levels.
• Requires external resistors for threshold adjustment.

Working Principles

The LTC2919CDDB-5#TRMPBF operates by comparing the input voltages with the internally set thresholds. When an input voltage crosses a threshold, the corresponding output pin is activated, indicating the status of that voltage level. The IC continuously monitors the voltages and updates the output pins accordingly.

Detailed Application Field Plans

The LTC2919CDDB-5#TRMPBF finds applications in various fields, including: 1. Power supply management in industrial control systems. 2. Battery-powered devices, such as portable medical equipment. 3. Automotive electronics for voltage monitoring and sequencing. 4. Telecommunications equipment for fault detection and protection.

Detailed and Complete Alternative Models

1. LTC2919IDDB-5#TRMPBF: Similar to LTC2919CDDB-5#TRMPBF, but with an inverted output logic.
2. LTC2919CDDB-5#TRPBF: Same as LTC2919CDDB-5#TRMPBF, but without tape and reel packaging.
3. LTC2919IDDB-5#TRPBF: Inverted output logic version without tape and reel packaging.

These alternative models provide similar functionality and characteristics, allowing users to choose the most suitable option for their specific requirements.

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