The LM7808S/TR is a three-terminal positive voltage regulator manufactured by HGSEMI. It is designed to provide a stable 8V output voltage, stepping down from a higher input voltage. This type of regulator is frequently used in electronic circuits to guarantee a constant voltage supply for components that require 8V.
Applications
- Microcontroller Power Supplies: Provides a regulated 8V power supply for microcontrollers.
- Operational Amplifier Power Supplies: Used to provide stable voltage for op-amps.
- Sensor Power Supplies: Provides a stable 8V for sensors needing a precise voltage.
- Audio Equipment: Used to regulate voltage in audio amplifiers and other audio circuits.
- General-Purpose Voltage Regulation: Used in various electronic projects requiring stable voltage regulation.
Features
- Fixed 8V Output Voltage: Delivers a consistent 8V output.
- Three-Terminal Configuration: Easy to use with input, output, and ground pins.
- Internal Thermal Overload Protection: Protects the regulator from overheating.
- Short-Circuit Current Limiting: Limits the output current during short-circuit conditions.
- Output Transistor Safe-Area Compensation: Enhances the regulator's reliability.
- High Ripple Rejection: Filters out ripple voltage from the input.
Benefits
- Stable 8V Output: Provides a reliable and consistent voltage supply.
- Easy to Use: Simple three-terminal design facilitates circuit integration.
- Overload Protection: Enhances reliability and prevents damage due to overheating or short circuits.
- Cost-Effective: Provides an affordable voltage regulation solution.
- Wide Input Voltage Range: Can operate with a variety of input voltages.
Additional Details
The LM7808S/TR typically requires a heat sink to dissipate heat efficiently, especially when operating at higher input voltages and output currents. The 'TR' suffix usually indicates that the component is supplied in Tape and Reel packaging. Detailed electrical characteristics, such as input voltage range, output current capability, and thermal resistance, are available in the manufacturer's datasheet. It is commonly available in TO-220 packages and is widely used to supply a stable 8V voltage in various electronic circuits.