LTC2965HDD#TRPBF

Product Overview

Category

LTC2965HDD#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 LTC2965HDD#TRPBF provides accurate monitoring of multiple voltages, ensuring proper functioning of electronic systems.
• Power supply sequencing: It enables controlled power-up and power-down sequences, preventing potential damage to sensitive components.
• Package: The LTC2965HDD#TRPBF is available in a 10-pin DFN package, which offers compactness and ease of integration into various circuit designs.
• Essence: This IC is designed to enhance system reliability by providing precise voltage monitoring and power sequencing capabilities.
• Packaging/Quantity: The LTC2965HDD#TRPBF is typically sold in reels containing a quantity of 250 units.

Specifications

The LTC2965HDD#TRPBF has the following specifications:

• Input Voltage Range: 2.7V to 80V
• Voltage Monitoring Accuracy: ±1.5%
• Power Supply Sequencing Delay: Programmable from 0ms to 10s
• Operating Temperature Range: -40°C to 85°C
• Quiescent Current: 20µA (typical)

Detailed Pin Configuration

The LTC2965HDD#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. EN: Enable pin
7. FLT: Fault output
8. PGOOD: Power good output
9. SEQ: Sequencing control
10. VOUT: Output voltage

Functional Features

The LTC2965HDD#TRPBF offers the following functional features:

1. Voltage Monitoring: It accurately monitors multiple input voltages and provides corresponding outputs for fault detection.
2. Power Sequencing: The sequencing control pin allows for controlled power-up and power-down sequences, ensuring proper system operation.
3. Fault Detection: The fault output pin (FLT) signals any abnormal voltage conditions, enabling timely response to potential issues.
4. Power Good Indication: The power good output pin (PGOOD) indicates when all monitored voltages are within the specified range, ensuring safe operation.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring enhances system reliability.
• Programmable power sequencing prevents damage to sensitive components.
• Compact package enables easy integration into various circuit designs.
• Wide input voltage range allows for versatile applications.

Disadvantages

• Limited to voltage monitoring and power sequencing applications.
• Requires external components for complete functionality.
• Relatively higher quiescent current compared to some alternative models.

Working Principles

The LTC2965HDD#TRPBF operates based on a combination of voltage monitoring and power sequencing principles. It continuously measures the input voltages and compares them to predefined thresholds. If any voltage falls outside the acceptable range, the fault output is triggered. Additionally, the sequencing control pin allows for controlled power-up and power-down sequences, preventing potential damage to sensitive components during system operation.

Detailed Application Field Plans

The LTC2965HDD#TRPBF finds applications in various fields, including but not limited to:

1. Industrial Automation: It ensures reliable voltage monitoring and power sequencing in industrial control systems, preventing unexpected shutdowns and equipment failures.
2. Automotive Electronics: The LTC2965HDD#TRPBF contributes to the safe and efficient operation of automotive electronic systems by monitoring critical voltages and enabling controlled power-up sequences.
3. Telecommunications: It plays a vital role in voltage monitoring and power sequencing applications within telecommunications infrastructure, ensuring uninterrupted operation of network equipment.

Detailed and Complete Alternative Models

1. LTC2960HDD#TRPBF: This alternative model offers similar voltage monitoring and power sequencing capabilities but with lower quiescent current.
2. MAX16065GTL+: Another alternative model providing voltage monitoring and power sequencing features, with additional built-in protection mechanisms.
3. TPS389533DRCR: This alternative model offers comparable functionality, including voltage monitoring and power sequencing, with a wider operating temperature range.

In conclusion, the LTC2965HDD#TRPBF is an integrated circuit designed for accurate voltage monitoring and power sequencing applications. Its compact package, wide input voltage range, and functional features make it suitable for various industries. However, it has some limitations, such as the need for external components and relatively higher quiescent current. Alternative models like LTC2960HDD#TRPBF, MAX16065GTL+, and TPS389533DRCR offer similar functionalities