TC1303B-1H0EMFTR

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-1H0EMFTR is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The TC1303B-1H0EMFTR is available in a reel packaging with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 0.8V to VIN
• Output Current: Up to 500mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC1303B-1H0EMFTR has a SOT-23-5 package with the following pin configuration:

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

Functional Features

• Low Dropout Voltage: The TC1303B-1H0EMFTR has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: With a low quiescent current, the TC1303B-1H0EMFTR minimizes power consumption when the load is light or idle.
• High Output Current: This voltage regulator can deliver a high output current of up to 500mA, making it suitable for power-hungry applications.
• Adjustable Output Voltage: The output voltage can be adjusted within the specified range to meet the requirements of different electronic devices.
• Thermal Shutdown Protection: The TC1303B-1H0EMFTR incorporates thermal shutdown protection, which prevents the IC from overheating and ensures its safe operation.

Advantages and Disadvantages

Advantages: - Stable output voltage regulation - Wide input voltage range - Low dropout voltage - Adjustable output voltage - Thermal shutdown protection

Disadvantages: - Limited maximum output current compared to some other voltage regulators - SOT-23-5 package may require additional space on the PCB

Working Principles

The TC1303B-1H0EMFTR operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the feedback received from the FB pin. When the input voltage is higher than the desired output voltage, the pass transistor adjusts its resistance to maintain a stable output voltage. The EN pin allows the regulator to be enabled or disabled as needed.

Detailed Application Field Plans

The TC1303B-1H0EMFTR is commonly used in various electronic devices that require a stable and regulated power supply. Some typical application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players.
2. Wireless Communication Systems: Wi-Fi modules, Bluetooth devices.
3. Consumer Electronics: Digital cameras, portable gaming consoles.
4. Industrial Equipment: Sensors, control systems, measurement devices.
5. Automotive Electronics: Infotainment systems, navigation devices.

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable voltage regulator with similar specifications and package.
2. MCP1700-3302E/TO: Fixed output voltage regulator with a SOT-23-5 package.
3. TPS79333DBVR: Low dropout voltage regulator with adjustable output voltage.

These alternative models offer similar functionality and can be considered as substitutes for the TC1303B-1H0EMFTR in various applications.

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