TC1270ARCVCTTR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Supervisor
• Characteristics: Low Power Consumption, Wide Operating Voltage Range
• Package: SOT-23-5
• Essence: Monolithic CMOS IC
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.2V to 5.5V
• Reset Threshold Voltage Options: 2.93V, 3.08V, 4.63V, 4.38V
• Reset Timeout Period Options: 140ms, 280ms, 560ms, 1120ms
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 1.5µA (typical)

Detailed Pin Configuration

The TC1270ARCVCTTR has a standard SOT-23-5 package with the following pin configuration:

1. GND (Ground)
2. RESET (Reset Output)
3. VCC (Supply Voltage)
4. MR (Manual Reset Input)
5. N/C (No Connection)

Functional Features

• Voltage Monitoring: The TC1270ARCVCTTR monitors the supply voltage and provides a reset signal when it falls below the specified threshold.
• Manual Reset: The MR pin allows for manual reset of the device by pulling it low.
• Power-On Reset: The device generates a reset signal upon power-up to ensure proper initialization of the system.
• Reset Timeout: The reset signal remains active for a programmable timeout period after the supply voltage rises above the threshold.

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered applications. - Wide operating voltage range allows for compatibility with various systems. - Small form factor package enables space-saving designs. - Manual reset option provides flexibility in system control.

Disadvantages: - Limited number of reset threshold voltage and timeout period options. - No adjustable hysteresis feature.

Working Principles

The TC1270ARCVCTTR operates by continuously monitoring the supply voltage. When the voltage falls below the programmed threshold, the device asserts the reset signal. The reset signal remains active for the specified timeout period after the voltage rises above the threshold. The MR pin allows for manual reset, overriding the automatic reset function.

Detailed Application Field Plans

The TC1270ARCVCTTR is commonly used in various applications where reliable voltage monitoring and reset functionality are required. Some typical application fields include:

1. Microcontrollers: Ensuring proper initialization and safe operation of microcontroller-based systems.
2. Embedded Systems: Providing a reset signal to ensure stable operation of embedded systems.
3. Power Management: Monitoring power supply voltages in power management circuits.
4. Industrial Control Systems: Ensuring reliable operation of control systems by resetting them upon power-up or voltage fluctuations.

Detailed and Complete Alternative Models

1. MAX809: Voltage Supervisors with Adjustable Reset Threshold and Timeout Periods.
2. ADM803: Microprocessor Supervisory Circuits with Manual Reset Option.
3. MCP130: Low-Power Voltage Detectors with Fixed Reset Thresholds.
4. TPS3808: Precision Voltage Supervisors with Programmable Delay Times.

Note: These alternative models offer similar functionality but may have different specifications and package options.

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