Overview
The L78L05ACZ is a three-terminal positive voltage regulator produced by STMicroelectronics. It is part of the L78L series, designed to provide a fixed output voltage of 5V with a maximum output current of 100 mA. This regulator is known for its robust design, featuring internal current limiting and thermal shutdown, making it highly reliable and essentially indestructible when adequate heat-sinking is provided.
Key Specifications
| Attribute | Value |
|---|---|
| Input Voltage-Max | 30V |
| Output Voltage Fixed | 5V |
| Dropout Voltage-Max | 2V |
| Output Current-Max | 100mA |
| Tolerance (%) | ±4% |
| Operating Temp Range | 0°C to 125°C |
| Regulator Topology | Fixed |
| Quiescent Current | 6mA |
| No. of Outputs | Single |
| Output Noise | 40µV |
| Load Regulation | 60mV |
| Line Regulation | 150mV |
| Package Style | TO-92 |
| Mounting Method | Through Hole |
Key Features
- Output current up to 100 mA
- Output voltage of 5V (available in other voltages in the L78L series: 3.3, 6, 8, 9, 10, 12, 15, 18, 24 V)
- Thermal overload protection
- Short circuit protection
- No external components required
- Available in either ± 5% (AC) or ± 10% (C) selection
Applications
The L78L05ACZ is intended for use in a wide range of applications, including local or on-card regulation. It is particularly useful for eliminating noise and distribution problems associated with single-point regulation. Common applications include power supplies, battery chargers, and any system requiring a stable and reliable voltage source.
Q & A
- What is the maximum input voltage for the L78L05ACZ?
The maximum input voltage for the L78L05ACZ is 30V. - What is the fixed output voltage of the L78L05ACZ?
The fixed output voltage of the L78L05ACZ is 5V. - What is the maximum output current of the L78L05ACZ?
The maximum output current of the L78L05ACZ is 100 mA. - Does the L78L05ACZ have thermal protection?
Yes, the L78L05ACZ features thermal overload protection. - Is the L78L05ACZ protected against short circuits?
Yes, the L78L05ACZ has short circuit protection. - What is the operating temperature range of the L78L05ACZ?
The operating temperature range of the L78L05ACZ is from 0°C to 125°C. - What is the package style of the L78L05ACZ?
The package style of the L78L05ACZ is TO-92. - How is the L78L05ACZ mounted?
The L78L05ACZ is mounted using the through-hole method. - Does the L78L05ACZ require external components?
No, the L78L05ACZ does not require external components. - What are the tolerance options for the L78L05ACZ?
The L78L05ACZ is available in either ± 5% (AC) or ± 10% (C) selection.
