TC1271AMVRCTR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Fixed Output Voltage
• Package: SOT-23-5
• Essence: Regulates input voltage to a fixed output voltage
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 3.3V
• Dropout Voltage: 200mV at 100mA
• Maximum Output Current: 250mA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC1271AMVRCTR has a total of 5 pins:

1. GND (Ground): Connected to the ground reference of the circuit.
2. VIN (Input Voltage): Connects to the input voltage source.
3. VOUT (Output Voltage): Provides the regulated output voltage.
4. BYP (Bypass): Used for noise reduction by connecting a bypass capacitor to ground.
5. EN (Enable): Controls the enable/disable functionality of the regulator.

Functional Features

• Low dropout voltage allows for efficient regulation even with small input-output differentials.
• Fixed output voltage ensures a stable power supply for connected devices.
• Excellent line and load regulation characteristics provide consistent performance across varying conditions.
• Low quiescent current minimizes power consumption in standby or low-load situations.
• Enable pin allows for easy on/off control of the regulator.

Advantages and Disadvantages

Advantages

• Compact SOT-23-5 package enables space-saving integration into various applications.
• Wide input voltage range allows for compatibility with different power sources.
• Low dropout voltage ensures efficient operation even with low input-output differentials.
• Excellent line and load regulation characteristics provide stable output voltage.
• Low quiescent current minimizes power consumption in standby mode.

Disadvantages

• Maximum output current of 250mA may limit its use in high-power applications.
• Fixed output voltage may not be suitable for applications requiring adjustable voltages.

Working Principles

The TC1271AMVRCTR is a voltage regulator that operates by comparing the output voltage to a reference voltage. It adjusts the pass transistor's resistance to maintain a constant output voltage, compensating for changes in input voltage and load conditions. The enable pin controls the on/off state of the regulator, allowing for power management.

Detailed Application Field Plans

The TC1271AMVRCTR can be used in various applications, including:

1. Battery-powered devices: Provides a stable power supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Embedded systems: Ensures reliable voltage regulation for microcontrollers, sensors, and other components in embedded systems.
3. Automotive electronics: Suitable for automotive applications where a regulated power supply is required for sensors, actuators, and control modules.
4. Industrial equipment: Used in industrial automation, robotics, and control systems to maintain consistent power supply for critical components.

Detailed and Complete Alternative Models

1. LM1117-3.3: Similar fixed-output voltage regulator with a TO-220 package.
2. MCP1700-3302E: Low dropout voltage regulator with a SOT-23 package.
3. TS2937CP-3.3: Adjustable output voltage regulator with a TO-220 package.

These alternative models offer similar functionality and can be considered as substitutes for the TC1271AMVRCTR based on specific application requirements.

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