LTC2908CDDB-A1#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: The LTC2908CDDB-A1#TRPBF is a precision voltage monitor and reset controller designed for use in various electronic systems. It provides accurate monitoring of power supply voltages and generates reset signals when the voltage falls below a specified threshold.

Characteristics: - Precision voltage monitoring - Reset signal generation - Low quiescent current - Wide operating voltage range - Small package size

Package: The LTC2908CDDB-A1#TRPBF is available in a DFN-6 package, which stands for Dual Flat No-Lead. This package offers a compact footprint and excellent thermal performance.

Essence: The essence of the LTC2908CDDB-A1#TRPBF is to ensure reliable operation of electronic systems by monitoring power supply voltages and initiating appropriate actions when necessary.

Packaging/Quantity: The LTC2908CDDB-A1#TRPBF is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Threshold Accuracy: ±1.5%
• Quiescent Current: 10μA (typical)
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active-Low Open-Drain
• Power-On Reset Delay: 200ms (typical)

Pin Configuration

The LTC2908CDDB-A1#TRPBF has the following pin configuration:

```

---

| | --| VCC GND |-- Pin 1: Ground (GND) --| RESET OUT |-- Pin 2: Reset Output --| THRESHOLD |-- Pin 3: Threshold Input --| GND |-- Pin 4: Ground (GND) --| VCC |-- Pin 5: Supply Voltage (VCC) |___________| ```

Functional Features

1. Voltage Monitoring: The LTC2908CDDB-A1#TRPBF continuously monitors the power supply voltage and compares it to a user-defined threshold.
2. Reset Signal Generation: When the voltage falls below the threshold, the device generates an active-low reset signal to initiate system reset or other necessary actions.
3. Precision Monitoring: The integrated circuit provides accurate voltage monitoring with a threshold accuracy of ±1.5%.
4. Low Quiescent Current: The device operates with a low quiescent current of only 10μA, minimizing power consumption.
5. Wide Operating Voltage Range: The LTC2908CDDB-A1#TRPBF can operate within a wide voltage range of 2.7V to 5.5V, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures reliable operation of electronic systems. - Low quiescent current minimizes power consumption. - Wide operating voltage range allows for versatile application.

Disadvantages: - Limited to monitoring a single power supply voltage. - Requires an external threshold voltage reference.

Working Principles

The LTC2908CDDB-A1#TRPBF works by comparing the power supply voltage with a user-defined threshold voltage. When the power supply voltage drops below the threshold, the device generates an active-low reset signal. This signal can be used to reset the system or trigger other necessary actions. The precision voltage monitoring and low quiescent current make it an ideal choice for applications where reliable power supply monitoring is critical.

Application Field Plans

The LTC2908CDDB-A1#TRPBF finds applications in various electronic systems that require accurate power supply monitoring and reset control. Some potential application fields include:

1. Embedded Systems: The IC can be used in embedded systems to monitor the power supply voltage and initiate system reset or other actions when necessary.
2. Industrial Control Systems: It can be employed in industrial control systems to ensure reliable operation by monitoring critical power supply voltages.
3. Automotive Electronics: The device can be utilized in automotive electronics to monitor battery voltage and trigger appropriate actions in case of low voltage conditions.
4. Telecommunications Equipment: It can be integrated into telecommunications equipment to monitor power supply voltages and ensure uninterrupted operation.

Alternative Models

1. LTC2908CDDB: This is a similar model without the "A1" suffix, offering slightly different specifications.
2. LTC2908CDD: Another alternative model with similar functionality but packaged in a different package type.
3. LTC2908IDD: This model is available in an alternative package and offers extended temperature range capabilities.

These alternative models provide flexibility in choosing the most suitable