LTC2965CDD#TRPBF

Product Overview

Category

LTC2965CDD#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 LTC2965CDD#TRPBF provides accurate monitoring of multiple input voltages.
• Power supply sequencing: It ensures proper power-up and power-down sequencing of various voltage rails.
• Package: The LTC2965CDD#TRPBF comes in a DFN-8 package, which is a small form factor suitable for space-constrained applications.
• Essence: This IC is designed to enhance system reliability by providing precise voltage monitoring and sequencing capabilities.
• Packaging/Quantity: The LTC2965CDD#TRPBF is typically packaged in reels containing 2500 units.

Specifications

The LTC2965CDD#TRPBF has the following specifications:

• Input Voltage Range: 2.7V to 80V
• Voltage Monitoring Accuracy: ±1.5%
• Power Supply Sequencing Delay: Programmable from 10ms to 10s
• Operating Temperature Range: -40°C to 85°C
• Quiescent Current: 20µA (typical)

Detailed Pin Configuration

The LTC2965CDD#TRPBF features the following pin configuration:

1. VIN1: Input voltage 1
2. VIN2: Input voltage 2
3. VIN3: Input voltage 3
4. GND: Ground
5. VCC: Power supply voltage
6. SEQ: Sequencing control pin
7. FLT: Fault output
8. NC: No connection

Functional Features

The LTC2965CDD#TRPBF offers the following functional features:

• Voltage Monitoring: It accurately monitors multiple input voltages and provides a fault output (FLT) in case of any deviations.
• Power Supply Sequencing: The sequencing control pin (SEQ) allows for programmable power-up and power-down sequencing of different voltage rails.
• Fault Detection: The FLT pin indicates any out-of-range or undervoltage conditions, enabling timely system response.
• Programmability: The LTC2965CDD#TRPBF can be configured using external resistors to set the desired voltage thresholds and sequencing delays.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring ensures reliable operation of electronic devices.
• Programmable sequencing capability enables controlled power-up and power-down of voltage rails.
• Small form factor package suits space-constrained applications.
• Wide input voltage range accommodates various system requirements.

Disadvantages

• Limited number of input voltage channels (VIN1, VIN2, VIN3).
• Requires external resistors for configuration, which may increase design complexity.

Working Principles

The LTC2965CDD#TRPBF operates based on a precise voltage comparator circuit. It compares the input voltages with internally set thresholds and generates appropriate outputs accordingly. The sequencing control pin allows for customizable power-up and power-down timing of different voltage rails.

Detailed Application Field Plans

The LTC2965CDD#TRPBF finds applications in various fields, including:

1. Industrial Automation: It ensures proper voltage monitoring and sequencing in control systems, preventing damage due to improper power supply.
2. Automotive Electronics: The IC enhances the reliability of automotive electronics by monitoring critical voltage levels and facilitating controlled power-up sequences.
3. Telecommunications: It plays a vital role in telecom equipment, ensuring stable power supply and preventing voltage-related failures.
4. Medical Devices: The LTC2965CDD#TRPBF contributes to the safe and reliable operation of medical devices by monitoring and sequencing power supplies.

Detailed and Complete Alternative Models

1. LTC2960CDD#TRPBF: Similar to LTC2965CDD#TRPBF, but with fewer input voltage channels (VIN1, VIN2).
2. LTC2964CDD#TRPBF: Offers additional features like adjustable undervoltage lockout and overvoltage protection.
3. LTC2966CDD#TRPBF: Provides higher accuracy in voltage monitoring and sequencing, suitable for more demanding applications.

(Note: The above alternative models are from the same product family and share similar characteristics and functionality.)

In conclusion, the LTC2965CDD#TRPBF is an integrated circuit designed for voltage monitoring and power supply sequencing applications. It offers accurate monitoring, programmable sequencing, and fault detection capabilities. While it has some limitations, it provides essential functionality for various industries such as industrial automation, automotive electronics, telecommunications, and medical devices. Alternative models within the same product family offer different features to cater to specific requirements.