LTC2965IDD#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - Low Voltage Supervisor - Adjustable Threshold Voltage - Wide Input Voltage Range - High Accuracy - Low Quiescent Current - Small Package Size

Package: DFN-8 (3mm x 2mm)

Essence: The LTC2965IDD#PBF is a low voltage supervisor IC designed for power management applications. It provides accurate monitoring and control of voltage levels in various systems.

Packaging/Quantity: The LTC2965IDD#PBF is available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 1.6V to 36V
• Adjustable Threshold Voltage: 0.4V to 36V
• Quiescent Current: 10μA
• Operating Temperature Range: -40°C to 125°C
• Output Type: Active Low/Open Drain
• Output Current: 10mA

Pin Configuration

The LTC2965IDD#PBF has the following pin configuration:

```

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| | --| VCC GND |-- Pin 1: Ground (GND) --| VIN VOUT|-- Pin 2: Output Voltage (VOUT) --| TH RST |-- Pin 3: Threshold Voltage (TH) --| EN FLT |-- Pin 4: Enable (EN) |___________| ```

Functional Features

1. Low Voltage Supervision: The LTC2965IDD#PBF monitors the input voltage and compares it with the adjustable threshold voltage. It provides an output signal when the input voltage falls below the threshold.

2. Adjustable Threshold Voltage: The threshold voltage can be adjusted using an external resistor connected to the TH pin. This allows customization according to specific system requirements.

3. Wide Input Voltage Range: The LTC2965IDD#PBF can operate with input voltages ranging from 1.6V to 36V, making it suitable for a wide range of applications.

4. High Accuracy: The IC provides high accuracy voltage monitoring, ensuring precise detection of voltage levels.

5. Low Quiescent Current: With a quiescent current of only 10μA, the LTC2965IDD#PBF minimizes power consumption and extends battery life in portable devices.

6. Small Package Size: The DFN-8 package (3mm x 2mm) offers a compact form factor, ideal for space-constrained applications.

Advantages

• Accurate voltage monitoring
• Adjustable threshold voltage
• Wide input voltage range
• Low power consumption
• Compact package size

Disadvantages

• Limited output current capacity (10mA)

Working Principles

The LTC2965IDD#PBF operates by continuously monitoring the input voltage using an internal voltage reference. When the input voltage falls below the threshold voltage set by the TH pin, the IC triggers an output signal. This signal can be used to activate various actions, such as shutting down the system or triggering an alarm.

Application Field Plans

The LTC2965IDD#PBF finds applications in various fields, including:

1. Battery-Powered Devices: It can be used to monitor battery voltage and trigger low battery warnings or shutdowns to prevent damage to the battery or the device.

2. Power Supply Monitoring: The IC ensures stable power supply operation by monitoring the input voltage and providing alerts when it deviates from the desired range.

3. Industrial Control Systems: It can be employed in industrial control systems to monitor critical voltage levels and trigger appropriate actions in case of voltage fluctuations or failures.

4. Automotive Electronics: The LTC2965IDD#PBF can be utilized in automotive electronics to monitor battery voltage, ensuring proper functioning of various systems and preventing unexpected shutdowns.

Alternative Models

1. LTC2960IDD#PBF: Similar to LTC2965IDD#PBF, but with a different pin configuration.
2. LTC2966IDD#PBF: Offers additional features such as adjustable hysteresis and a wider input voltage range.
3. LTC2964IDD#PBF: Provides dual voltage monitoring channels for applications requiring multiple voltage thresholds.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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