TC54VC4802EZB

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current
• Package: SOT-23
• Essence: Regulates voltage with low power consumption
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 150mA
• Quiescent Current: 45µA typical
• Output Current: 150mA
• Line Regulation: ±0.3% typical
• Load Regulation: ±0.4% typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC54VC4802EZB has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. VOUT (Pin 3): Output voltage pin.

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• Low quiescent current minimizes power consumption in standby or idle mode.
• Excellent line and load regulation provide stable output voltage under varying conditions.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limiting protects the device from overcurrent conditions.

Advantages and Disadvantages

Advantages

• Low dropout voltage enables efficient voltage regulation.
• Low quiescent current reduces power consumption.
• Compact SOT-23 package allows for space-saving designs.
• Wide operating temperature range makes it suitable for various environments.

Disadvantages

• Limited output current of 150mA may not be sufficient for high-power applications.
• SOT-23 package may require additional thermal management in certain scenarios.

Working Principles

The TC54VC4802EZB is a voltage regulator that maintains a stable output voltage regardless of input voltage fluctuations. It utilizes a feedback mechanism to continuously adjust the internal circuitry, compensating for changes in load and line conditions. By comparing the output voltage with a reference voltage, it regulates the flow of current to maintain the desired output voltage level.

Detailed Application Field Plans

The TC54VC4802EZB is commonly used in various electronic devices and systems, including:

1. Battery-powered devices: Portable electronics, such as smartphones, tablets, and wearable devices, benefit from its low dropout voltage and low quiescent current, extending battery life.
2. Automotive applications: It can regulate voltage in automotive systems, ensuring stable power supply to sensitive components like sensors and microcontrollers.
3. Industrial equipment: The voltage regulator finds application in industrial control systems, providing reliable voltage regulation for sensors, actuators, and communication modules.

Detailed and Complete Alternative Models

1. TC54VC2802EZB: Similar to TC54VC4802EZB but with a lower output current of 80mA.
2. TC54VC5802EZB: Similar to TC54VC4802EZB but with a higher output current of 500mA.
3. TC54VC6802EZB: Similar to TC54VC4802EZB but with a higher output current of 800mA.

These alternative models offer different output current capabilities to suit specific application requirements.

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