TC1303B-ZA0EUN

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage Regulator

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

Package: SOT-23-5

Essence: The TC1303B-ZA0EUN is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The TC1303B-ZA0EUN is available in a SOT-23-5 package and is typically sold in reels of 3000 units.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 30µA
• Output Current: Up to 500mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC1303B-ZA0EUN has the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. VOUT: Output Voltage

Functional Features

• Low dropout voltage ensures efficient power conversion even with small input-output voltage differentials.
• Low quiescent current minimizes power consumption during standby or idle modes.
• High output current capability allows for powering a wide range of electronic components.
• Adjustable output voltage enables flexibility in meeting specific device requirements.
• Thermal shutdown protection prevents damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - Efficient power conversion - Low power consumption - Wide range of output current - Adjustable output voltage - Thermal protection

Disadvantages: - Limited input voltage range (2.5V to 6.0V) - Dropout voltage may affect performance in low battery conditions

Working Principles

The TC1303B-ZA0EUN is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage to adjust the pass transistor's resistance and maintain a stable output voltage. The enable pin (EN) controls the regulator's operation, allowing for power-saving modes when not required.

Detailed Application Field Plans

The TC1303B-ZA0EUN is commonly used in various applications, including: 1. Battery-powered devices 2. Portable electronic devices 3. IoT devices 4. Wearable devices 5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the TC1303B-ZA0EUN include: 1. LM1117-ADJ 2. MCP1700T-3302E/TT 3. LP2985-33DBVR 4. TPS79333DBVR 5. LT1763CS8-3.3

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

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