TC1270ANLVRCTR

Product Overview

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

Specifications

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

Detailed Pin Configuration

The TC1270ANLVRCTR has a total of five pins:

1. GND: Ground pin
2. RESET: Active-low reset output
3. MR: Manual reset input
4. VCC: Positive supply voltage
5. N/C: No connection

Functional Features

• Monitors the power supply voltage and asserts the reset output when it falls below the specified threshold.
• Provides a manual reset input for external system control.
• Offers various reset threshold voltage and timeout period options for flexibility in different applications.
• Low quiescent current consumption ensures minimal power usage.

Advantages

• Wide supply voltage range allows compatibility with a variety of systems.
• Precision monitoring ensures reliable operation by accurately detecting voltage deviations.
• Reset output facilitates proper system initialization after power-up or voltage fluctuations.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited number of reset threshold voltage and timeout period options may not cater to all specific requirements.
• The SOT-23-5 package may not be suitable for applications with space constraints.

Working Principles

The TC1270ANLVRCTR operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage falls below the programmed threshold, the reset output is asserted, indicating a power failure or voltage drop. The manual reset input allows external control to override the reset function if required.

Detailed Application Field Plans

The TC1270ANLVRCTR is commonly used in various electronic systems where reliable voltage supervision is crucial. Some typical application fields include:

1. Microcontrollers and Microprocessors: Ensures proper initialization and prevents erratic behavior during power-up or voltage fluctuations.
2. Communication Systems: Provides reliable reset functionality to maintain system integrity.
3. Industrial Control Systems: Monitors power supply voltage to prevent damage to sensitive equipment.
4. Automotive Electronics: Ensures stable operation of critical components during voltage variations.

Detailed and Complete Alternative Models

1. MAX809: Low-Power Microprocessor Reset Circuits
2. ADM708: Precision Voltage Monitor with Watchdog Timer
3. MCP100: Voltage Supervisor with Manual Reset Input
4. TPS3808: Ultra-Low Quiescent Current Supervisor with Programmable Delay Time

These alternative models offer similar voltage monitoring and reset functionalities, catering to different specifications and requirements.

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