LTC2903IS6-C1#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: The LTC2903IS6-C1#TRPBF is a precision voltage monitor and reset generator IC. It is designed to monitor the power supply voltage of electronic systems and provide a reset signal when the voltage falls below a certain threshold.

Characteristics: - Precision voltage monitoring - Reset generation - Low power consumption - Small package size - Wide operating temperature range

Package: SOT-23-6

Essence: The LTC2903IS6-C1#TRPBF is an essential component for ensuring the reliable operation of electronic systems by monitoring the power supply voltage and generating a reset signal when necessary.

Packaging/Quantity: The LTC2903IS6-C1#TRPBF is typically available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

• Supply Voltage Range: 2.5V to 6V
• Threshold Voltage Accuracy: ±1.5%
• Quiescent Current: 10μA
• Reset Timeout Period: Adjustable from 100ms to 10s
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The LTC2903IS6-C1#TRPBF has six pins arranged as follows:

```

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| | --| VCC |-- --| GND |-- --| RESET |-- --| TH |-- --| TL |-- |_______| ```

Pin Descriptions: - VCC: Power supply input - GND: Ground reference - RESET: Reset output - TH: High threshold voltage input - TL: Low threshold voltage input

Functional Features

1. Precision Voltage Monitoring: The LTC2903IS6-C1#TRPBF accurately monitors the power supply voltage and compares it with the high and low threshold voltages set by the TH and TL pins.

2. Reset Generation: When the power supply voltage falls below the low threshold voltage, the LTC2903IS6-C1#TRPBF generates a reset signal on the RESET pin. This signal can be used to initiate a system reset or trigger other necessary actions.

3. Adjustable Reset Timeout Period: The reset timeout period can be adjusted using external timing components, allowing flexibility in defining the duration of the reset signal.

4. Low Power Consumption: The IC operates with a low quiescent current of only 10μA, minimizing power consumption and extending battery life in portable applications.

5. Wide Operating Temperature Range: The LTC2903IS6-C1#TRPBF is designed to operate reliably over a wide temperature range from -40°C to 85°C, making it suitable for various environmental conditions.

Advantages

• Accurate voltage monitoring ensures reliable operation of electronic systems.
• Adjustable reset timeout period allows customization based on specific application requirements.
• Low power consumption extends battery life in portable devices.
• Small package size enables space-efficient PCB design.
• Wide operating temperature range ensures performance in diverse environments.

Disadvantages

• Requires external timing components for adjusting the reset timeout period.
• Limited availability of alternative models may restrict sourcing options.

Working Principles

The LTC2903IS6-C1#TRPBF works by continuously monitoring the power supply voltage through the TH and TL pins. It compares the voltage with the high and low threshold voltages set by these pins. If the voltage falls below the low threshold, the IC generates a reset signal on the RESET pin. The reset timeout period can be adjusted using external timing components connected to the IC. This allows customization of the duration for which the reset signal remains active.

Application Field Plans

The LTC2903IS6-C1#TRPBF is widely used in various electronic systems where reliable power supply monitoring and reset generation are critical. Some application fields include:

1. Embedded Systems: The IC ensures proper functioning of microcontrollers, DSPs, and other embedded systems by providing a reset signal when the power supply voltage drops below a certain level.

2. Industrial Automation: It is utilized in industrial automation equipment to monitor power supply integrity and initiate system resets if necessary, preventing malfunctions and downtime.

3. Telecommunications: The IC plays a vital role in telecommunications infrastructure, where it monitors power supply voltages in network equipment and triggers resets to maintain uninterrupted operation.

4. Medical Devices: Medical devices rely on the LTC2903IS6-C1#TRPBF to monitor power supply voltages and generate reset signals to ensure patient safety and proper device functionality.

Alternative Models

While the LTC2903IS6-C1#TRPBF is a highly reliable and widely used IC, there are alternative models available in the market that offer similar functionality.