TC1303C-PA0EMF

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 TC1303C-PA0EMF is a low dropout voltage regulator designed for power management applications. It provides a stable output voltage with low quiescent current and offers protection features such as thermal shutdown and overcurrent protection.

Packaging/Quantity: The TC1303C-PA0EMF is available in a SOT-23-5 package. It 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
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The TC1303C-PA0EMF has the following pin configuration:

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

Functional Features

• Low dropout voltage allows operation with small input-output differentials.
• Adjustable output voltage enables flexibility in various applications.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Overcurrent protection safeguards the regulator and connected components from excessive current.

Advantages

• High efficiency power management solution.
• Compact SOT-23-5 package for space-constrained applications.
• Wide input voltage range allows compatibility with various power sources.
• Adjustable output voltage provides versatility in different system requirements.
• Protection features enhance reliability and prevent damage to the circuitry.

Disadvantages

• Limited maximum output current compared to higher power regulators.
• SOT-23-5 package may require additional thermal considerations for high-power applications.
• Not suitable for applications requiring extremely low dropout voltages.

Working Principles

The TC1303C-PA0EMF is a linear voltage regulator that regulates the output voltage by maintaining a constant voltage drop across its internal pass transistor. It operates by comparing the feedback voltage (FB) with a reference voltage, adjusting the pass transistor's resistance to maintain the desired output voltage.

Detailed Application Field Plans

The TC1303C-PA0EMF is commonly used in various battery-powered devices, portable electronics, and low-power microcontroller systems. Some specific application fields include:

1. Mobile Phones and Tablets: Power management for battery charging circuits and system power supplies.
2. Wearable Devices: Voltage regulation for sensors, display modules, and wireless communication modules.
3. IoT Devices: Power management for sensor nodes, edge devices, and wireless connectivity modules.
4. Industrial Control Systems: Voltage regulation for control boards, motor drivers, and communication interfaces.
5. Automotive Electronics: Power management for infotainment systems, lighting modules, and engine control units.

Detailed and Complete Alternative Models

1. TC1303B-PA0EMF: Similar specifications and features, but with a fixed output voltage of 3.3V.
2. TC1303D-PA0EMF: Higher maximum output current of 300mA, suitable for applications with higher power requirements.
3. TC1303E-PA0EMF: Ultra-low quiescent current version, ideal for applications with strict power consumption limitations.

These alternative models provide options based on specific requirements and offer flexibility in design choices.

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