Description
- IC type: Fixed positive voltage regulator.
- Output voltage: 5V DC.
- Maximum output current: 100 to 150mA, depending on the manufacturer and specific version.
- Input voltage range: 7V to 35V DC.
- Internal protection features: Includes thermal shutdown and internal current limiting to prevent overheating and overload.
- Quiescent current: Low bias current compared to a Zener diode/resistor combination.
- Packages: Common package options include TO-92, SOT-89, and SO-8.
- Pin configuration: The pinout can vary depending on the package type. For the TO-92 package, the standard pinout is typically:
- Output
- Ground
- Input.
Applications
The 78L05 is a versatile IC used in many low-power electronic applications, including:
- Powering microcontrollers and other digital logic circuits.
- Battery-powered devices and portable instruments.
- LED lighting.
- Acting as a current limiter or short-circuit protector.
How to use
To use the 78L05, simply connect the:
- Input pin: to the unregulated DC power source.
- Ground pin: to the circuit ground.
- Output pin: will provide a stable 5V output.
For optimal performance and to filter out noise, it is recommended to add capacitors (e.g., 10uF on the input and 1uF on the output) as close to the IC as possible.
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