TC54VN4402EZB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Adjustable output voltage - Thermal shutdown protection - Overcurrent protection

Package: SOT-23

Essence: The TC54VN4402EZB is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The TC54VN4402EZB is typically sold in reels, with 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
Output Current: Up to 150mA
Quiescent Current: 75µA
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TC54VN4402EZB has three pins:

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

Functional Features

Low Dropout Voltage: The TC54VN4402EZB has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
High Output Current Capability: With a maximum output current of 150mA, this voltage regulator can power a wide range of electronic devices.
Adjustable Output Voltage: The output voltage can be adjusted within the specified range using external resistors.
Thermal Shutdown Protection: The IC includes a thermal shutdown feature that protects it from overheating by shutting down the output when the temperature exceeds a certain threshold.
Overcurrent Protection: The TC54VN4402EZB incorporates overcurrent protection to safeguard against excessive current flow, preventing damage to the IC and connected devices.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation. - High output current capability allows for versatile applications. - Adjustable output voltage provides flexibility. - Thermal shutdown and overcurrent protection enhance reliability.

Disadvantages: - Limited input voltage range (2.5V to 6.0V). - Maximum output current may not be sufficient for power-hungry devices.

Working Principles

The TC54VN4402EZB is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor's resistance accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The TC54VN4402EZB can be used in various applications, including but not limited to: 1. Battery-powered devices 2. Portable electronic devices 3. IoT devices 4. Automotive electronics 5. Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the TC54VN4402EZB include: 1. LM1117-ADJ 2. LT1763-3.3 3. MCP1700-3302E/TO

These alternatives offer similar functionality and can be considered based on specific requirements and availability.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TC54VN4402EZB v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TC54VN4402EZB in technical solutions:

Q: What is TC54VN4402EZB? A: TC54VN4402EZB is a voltage supervisor IC (Integrated Circuit) used for monitoring power supply voltages in electronic systems.
Q: What is the purpose of using TC54VN4402EZB in technical solutions? A: The purpose of using TC54VN4402EZB is to ensure stable and reliable operation of electronic systems by monitoring power supply voltages and generating reset signals when necessary.
Q: How does TC54VN4402EZB work? A: TC54VN4402EZB continuously monitors the input voltage and compares it with a preset threshold. If the voltage drops below the threshold, it generates a reset signal to initiate a system reset.
Q: What are the key features of TC54VN4402EZB? A: Some key features of TC54VN4402EZB include low power consumption, wide operating voltage range, adjustable reset threshold, and built-in hysteresis for noise immunity.
Q: Can TC54VN4402EZB be used in battery-powered applications? A: Yes, TC54VN4402EZB can be used in battery-powered applications as it operates over a wide voltage range and consumes very low power.
Q: Is TC54VN4402EZB suitable for automotive applications? A: Yes, TC54VN4402EZB is suitable for automotive applications as it meets the required automotive standards and has built-in protection features against voltage transients.
Q: Can TC54VN4402EZB be used in industrial control systems? A: Absolutely, TC54VN4402EZB is commonly used in industrial control systems to monitor power supply voltages and ensure reliable operation.
Q: How can I adjust the reset threshold of TC54VN4402EZB? A: The reset threshold of TC54VN4402EZB can be adjusted by connecting external resistors to the appropriate pins as specified in the datasheet.
Q: Does TC54VN4402EZB have any built-in protection features? A: Yes, TC54VN4402EZB has built-in protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown.
Q: Can TC54VN4402EZB be used in low-power applications? A: Yes, TC54VN4402EZB is suitable for low-power applications due to its low quiescent current consumption and ability to operate at low supply voltages.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.