TC1270SERCTR

Product Overview

• Category: Integrated Circuits
• Use: Voltage Supervisor
• Characteristics: Low Power, Precision Monitoring, Reset Output
• Package: SOT-23-3
• Essence: Monitors voltage levels and provides a reset signal when necessary
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Supply Voltage: 1.2V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 4.63V
• Reset Timeout Period: 140ms (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC1270SERCTR is a three-pin device with the following pinout:

1. VCC: Supply Voltage Input
2. GND: Ground
3. RESET: Active-Low Reset Output

Functional Features

• Monitors the supply voltage and asserts the reset output when it falls below the threshold voltage
• Precision monitoring ensures accurate detection of voltage levels
• Low power consumption for energy-efficient operation
• Small form factor package allows for space-saving designs
• Reset output remains asserted until the supply voltage rises above the threshold voltage and the reset timeout period elapses

Advantages and Disadvantages

Advantages

• Wide supply voltage range enables compatibility with various systems
• Multiple threshold voltage options provide flexibility in voltage monitoring
• Precision monitoring ensures reliable operation
• Low power consumption extends battery life
• Small package size allows for compact designs

Disadvantages

• Limited reset timeout period may not be suitable for all applications requiring longer delays
• Only available in SOT-23-3 package, limiting mounting options

Working Principles

The TC1270SERCTR operates by continuously monitoring the supply voltage. When the voltage falls below the programmed threshold voltage, the reset output is asserted. The reset output remains active until the supply voltage rises above the threshold voltage and the reset timeout period elapses. This ensures that the system is properly reset after a power-on or brownout event.

Detailed Application Field Plans

The TC1270SERCTR 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 reset of microcontroller-based systems.
2. Embedded Systems: Providing reliable reset functionality for embedded systems to prevent erratic behavior during power fluctuations.
3. Power Management: Monitoring power supply voltages in power management circuits to protect downstream components.
4. Industrial Control Systems: Resetting control systems in industrial environments to maintain stable operation.

Detailed and Complete Alternative Models

• TC1270SERVCT: Same specifications and features as TC1270SERCTR but available in SOT-23A package.
• TC1270SERCST: Similar specifications and features as TC1270SERCTR but with adjustable threshold voltage option.
• TC1270SERCTG: Same specifications and features as TC1270SERCTR but available in a smaller SC-70 package.

(Note: These alternative models may have slight variations in package type, threshold voltage options, or other minor features.)

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