TC1271ATVRCTR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current
• Package: SOT-23
• Essence: Regulates voltage to provide a stable output
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 100mA load current
• Quiescent Current: 30µA typical
• Output Current: 150mA maximum
• Line Regulation: ±0.3% typical
• Load Regulation: ±0.4% typical
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TC1271ATVRCTR has three pins in the SOT-23 package:

1. VIN - Input voltage pin
2. GND - Ground pin
3. VOUT - Output voltage pin

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• Low quiescent current minimizes power consumption during standby or idle conditions.
• Excellent line and load regulation characteristics provide a stable output voltage under varying conditions.
• Thermal shutdown and current limit protection ensure safe operation.

Advantages and Disadvantages

Advantages

• Small form factor and low profile package make it suitable for space-constrained applications.
• Wide input voltage range allows compatibility with various power sources.
• Low dropout voltage enables efficient power conversion.
• Low quiescent current prolongs battery life in portable devices.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• SOT-23 package may require additional heat dissipation measures in certain scenarios.

Working Principles

The TC1271ATVRCTR is a voltage regulator IC that maintains a stable output voltage regardless of input voltage fluctuations. It achieves this by utilizing an internal reference voltage and feedback mechanism. The input voltage is regulated to the desired output voltage by controlling the pass transistor's resistance. The low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The TC1271ATVRCTR is commonly used in various electronic devices and systems, including but not limited to:

1. Battery-powered portable devices such as smartphones, tablets, and wearable devices.
2. Automotive electronics for voltage stabilization in vehicle systems.
3. Industrial control systems requiring stable power supply for sensors and actuators.
4. Communication equipment like routers, switches, and modems.
5. Consumer electronics such as digital cameras, MP3 players, and gaming consoles.

Detailed and Complete Alternative Models

1. TC1262-3.3VDBTR: 3.3V Voltage Regulator, SOT-23 package, 150mA output current.
2. LM1117IMPX-3.3/NOPB: 3.3V Low Dropout Voltage Regulator, SOT-223 package, 800mA output current.
3. XC6206P332MR: 3.3V Ultra-Low Dropout Voltage Regulator, SOT-23 package, 200mA output current.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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