TC1303B-VA0EMFTR

Product Overview

Category: Integrated Circuits (ICs)

Use: Power Management IC

Characteristics: - Low Dropout Voltage Regulator - Adjustable Output Voltage - Low Quiescent Current - Thermal Shutdown Protection - Overcurrent Protection

Package: SOT-23-5

Essence: The TC1303B-VA0EMFTR is a low dropout voltage regulator designed for power management applications. It provides a stable output voltage with low quiescent current, making it suitable for battery-powered devices.

Packaging/Quantity: The TC1303B-VA0EMFTR is available in a SOT-23-5 package. Each package contains one unit of the IC.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 100mA Load
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC1303B-VA0EMFTR has five pins arranged as follows:

┌───┐ VIN│ │GND │ │ VOUT│ │EN │ │ └───┘

• VIN: Input Voltage Pin
• GND: Ground Pin
• VOUT: Output Voltage Pin
• EN: Enable Pin (Active High)

Functional Features

• Low Dropout Voltage: The TC1303B-VA0EMFTR maintains a low dropout voltage, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage can be adjusted within a specified range, allowing flexibility in various applications.
• Low Quiescent Current: The IC consumes minimal current when in standby mode, conserving power and extending battery life.
• Thermal Shutdown Protection: The TC1303B-VA0EMFTR incorporates thermal shutdown protection to prevent damage due to excessive heat.
• Overcurrent Protection: The IC includes overcurrent protection circuitry, safeguarding against excessive current flow.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - Adjustable output voltage provides flexibility for different applications. - Low quiescent current extends battery life. - Thermal shutdown protection prevents damage from overheating. - Overcurrent protection safeguards against excessive current flow.

Disadvantages: - Limited input voltage range (2.5V to 6.0V). - SOT-23-5 package may require surface mount soldering expertise.

Working Principles

The TC1303B-VA0EMFTR is a linear voltage regulator that regulates the output voltage by maintaining a constant voltage drop between the input and output pins. It uses a feedback mechanism to adjust the internal pass transistor, ensuring the desired output voltage is maintained even with varying input voltages and load conditions.

Detailed Application Field Plans

The TC1303B-VA0EMFTR is commonly used in various battery-powered devices, such as: - Portable electronic devices (e.g., smartphones, tablets) - Wearable devices (e.g., smartwatches, fitness trackers) - Wireless communication modules - IoT devices - Medical devices

Detailed and Complete Alternative Models

Some alternative models to the TC1303B-VA0EMFTR include: - LM1117-ADJ: Adjustable Output Voltage, Low Dropout Voltage Regulator - MCP1700-3302E/TO: Fixed Output Voltage, Low Quiescent Current LDO Regulator - TPS7A4700: Ultra-Low Dropout Voltage Regulator with Adjustable Output

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

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