TS78L03CX RFG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Fixed Output Voltage
• Package: TO-252, 3-Pin
• Essence: Linear Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2,500 units per reel

Specifications

• Input Voltage Range: 4.75V to 20V
• Output Voltage: 3.3V
• Output Current: 100mA
• Dropout Voltage: 0.5V (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TS78L03CX RFG is a 3-pin device with the following pin configuration:

1. Input (VIN): Connects to the input voltage source.
2. Ground (GND): Common ground reference.
3. Output (VOUT): Provides the regulated output voltage.

Functional Features

• Low Dropout: The TS78L03CX RFG has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• Fixed Output Voltage: It provides a fixed output voltage of 3.3V, ensuring a stable power supply for connected components.
• Short Circuit Protection: The device includes built-in short circuit protection, safeguarding against excessive current flow.
• Thermal Shutdown: In case of overheating, the regulator automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages: - Compact and easy to integrate into various electronic circuits. - Stable and reliable output voltage regulation. - Suitable for low-power applications. - Built-in protection features enhance safety and durability.

Disadvantages: - Limited output current capacity. - Not suitable for high-power applications.

Working Principles

The TS78L03CX RFG operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The device compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The TS78L03CX RFG is commonly used in various electronic devices and applications, including but not limited to:

1. Battery-Powered Devices: Portable electronics such as smartphones, tablets, and portable audio players often require a stable power supply, making the TS78L03CX RFG an ideal choice.
2. Embedded Systems: Microcontrollers, sensors, and other components in embedded systems benefit from the regulated voltage provided by the TS78L03CX RFG.
3. Automotive Electronics: The regulator can be used in automotive applications where a stable power supply is crucial for various components like sensors, actuators, and control modules.

Detailed and Complete Alternative Models

• LM1117-3.3: Another popular 3.3V linear voltage regulator with similar specifications and pin configuration.
• MCP1703-3302E: Low dropout voltage regulator offering a fixed 3.3V output with higher output current capability.

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