LTC2964IUDC#PBF

Product Overview

Category

LTC2964IUDC#PBF 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: LTC2964IUDC#PBF provides accurate monitoring of multiple voltages within a system.
• Power supply sequencing: It ensures proper power-up and power-down sequences, preventing potential damage to sensitive components.
• Package: The product comes in a small 12-pin DFN package, making it suitable for space-constrained applications.
• Essence: LTC2964IUDC#PBF is designed to enhance system reliability by providing precise voltage monitoring and sequencing capabilities.
• Packaging/Quantity: It is typically sold in reels containing a specific quantity of units.

Specifications

The specifications of LTC2964IUDC#PBF include:

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

Detailed Pin Configuration

LTC2964IUDC#PBF has a total of 12 pins, each serving a specific function. The pin configuration is as follows:

1. VIN1: Input voltage 1
2. VIN2: Input voltage 2
3. VIN3: Input voltage 3
4. GND: Ground
5. VCC: Power supply voltage
6. FLT: Fault output
7. EN: Enable input
8. PGOOD: Power good output
9. OV1: Overvoltage threshold 1
10. OV2: Overvoltage threshold 2
11. OV3: Overvoltage threshold 3
12. SS: Soft-start capacitor

Functional Features

The LTC2964IUDC#PBF offers several functional features, including:

• Accurate voltage monitoring: It provides precise monitoring of multiple input voltages, ensuring system stability and reliability.
• Programmable power supply sequencing: The product allows users to define the desired power-up and power-down sequences, preventing potential damage to components.
• Fault detection: The FLT pin indicates any fault condition, such as overvoltage or undervoltage, enabling timely system response.
• Power good output: The PGOOD pin signals when all monitored voltages are within the specified range, indicating a safe operating condition.

Advantages and Disadvantages

Advantages

• High accuracy voltage monitoring
• Programmable power supply sequencing
• Compact package size
• Fault detection capability
• Power good output for system status indication

Disadvantages

• Limited input voltage range (up to 80V)
• Requires external soft-start capacitor

Working Principles

LTC2964IUDC#PBF operates by continuously monitoring the input voltages and comparing them to the programmed thresholds. If any voltage exceeds the defined limits, the fault output (FLT) is triggered, alerting the system. The power good output (PGOOD) indicates when all monitored voltages are within the acceptable range, ensuring safe operation.

Detailed Application Field Plans

LTC2964IUDC#PBF finds applications in various fields, including:

1. Industrial automation: It ensures proper power sequencing and voltage monitoring in control systems, preventing damage to critical components.
2. Telecommunications: The product safeguards sensitive telecom equipment by monitoring voltage levels and providing fault detection capabilities.
3. Automotive electronics: LTC2964IUDC#PBF helps maintain stable power supply and protects automotive electronic systems from voltage fluctuations.
4. Medical devices: It ensures reliable power sequencing and voltage monitoring in medical equipment, enhancing patient safety.

Detailed and Complete Alternative Models

Some alternative models to LTC2964IUDC#PBF include:

1. LTC2960IUDC#PBF: Similar functionality with a different pin configuration.
2. LTC2966IUDC#PBF: Offers additional features such as undervoltage detection.
3. LTC2965IUDC#PBF: Provides higher input voltage range and adjustable thresholds.

These alternative models offer similar capabilities but may have slight variations in specifications and pin configurations.

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