LTC2965CDD#PBF

Product Overview

Category

LTC2965CDD#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 applications.

Characteristics

• Voltage monitoring: LTC2965CDD#PBF provides accurate monitoring of multiple input voltages.
• Power supply sequencing: It ensures proper power-up and power-down sequencing of various components in a system.
• Low power consumption: The device operates with low quiescent current, making it suitable for battery-powered applications.
• Wide input voltage range: It can handle input voltages ranging from 2.7V to 100V.
• High accuracy: The LTC2965CDD#PBF offers precise voltage monitoring with a typical accuracy of ±1%.

Package and Quantity

The LTC2965CDD#PBF comes in a DFN-8 package. Each package contains one unit of the product.

Specifications

• Input Voltage Range: 2.7V to 100V
• Accuracy: ±1%
• Quiescent Current: 10µA (typical)
• Operating Temperature Range: -40°C to 85°C
• Package Type: DFN-8

Pin Configuration

The LTC2965CDD#PBF has eight pins arranged as follows:

```

---

| | --| VCC |-- --| VIN1 |-- --| VIN2 |-- --| VIN3 |-- --| GND |-- --| FLT |-- --| OUT |-- |_______| ```

Pin descriptions: - VCC: Power supply pin. - VIN1, VIN2, VIN3: Input voltage monitoring pins. - GND: Ground reference pin. - FLT: Fault output pin. - OUT: Power supply sequencing output pin.

Functional Features

1. Voltage Monitoring: The LTC2965CDD#PBF accurately monitors multiple input voltages and provides a fault output (FLT) in case of any abnormality.
2. Power Supply Sequencing: It ensures proper power-up and power-down sequencing of various components in a system, preventing potential damage or malfunction.
3. Adjustable Thresholds: The device allows users to set precise voltage thresholds for monitoring and fault detection.
4. Fault Detection: The fault output (FLT) signals any voltage-related faults, such as overvoltage or undervoltage conditions.
5. Fast Response Time: The LTC2965CDD#PBF quickly detects voltage variations and responds with minimal delay.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring across a wide input voltage range.
• Low power consumption, suitable for battery-powered applications.
• Precise power supply sequencing for system integrity.
• Adjustable voltage thresholds for customized monitoring.
• Fast response time for quick fault detection.

Disadvantages

• Limited to voltage monitoring and power supply sequencing applications.
• Requires additional circuitry for complete power management solutions.

Working Principles

The LTC2965CDD#PBF operates by comparing the input voltages (VIN1, VIN2, VIN3) with user-defined threshold levels. If any input voltage falls outside the specified range, the fault output (FLT) is triggered. The device also ensures proper power-up and power-down sequencing by controlling the power supply output (OUT) based on the monitored voltages.

Application Field Plans

The LTC2965CDD#PBF finds extensive use in various electronic systems, including: 1. Industrial Control Systems: Ensuring reliable power supply sequencing in complex control systems. 2. Automotive Electronics: Monitoring and sequencing power supplies in automotive applications. 3. Telecommunications: Voltage monitoring and sequencing in telecom infrastructure equipment. 4. Medical Devices: Ensuring proper power-up and power-down sequences in medical equipment.

Alternative Models

1. LTC2960CDD#PBF: Similar voltage monitoring and power supply sequencing IC with a different package type (DFN-6).
2. LTC2964CDD#PBF: Voltage monitor and sequencer with additional features like adjustable delay times.
3. LTC2966CDD#PBF: Higher accuracy voltage monitor and sequencer with an extended input voltage range.

Note: These alternative models offer similar functionality but may have variations in specifications and pin configurations.

In conclusion, the LTC2965CDD#PBF is an integrated circuit designed for accurate voltage monitoring and power supply sequencing applications. With its wide input voltage range, low power consumption, and precise monitoring capabilities, it finds extensive use in various electronic systems. While it has certain limitations and requires additional circuitry for complete power management solutions, the device offers numerous advantages such as adjustable thresholds, fast response time, and fault detection.