Overview
The L78L06ABUTR is a linear voltage regulator from STMicroelectronics, part of the L78L series. This three-terminal positive regulator is designed to provide a stable 6V output voltage with a maximum current of 100mA. It is known for its robust design, featuring internal current limiting and thermal shutdown, which makes it essentially indestructible. This regulator is often used as a replacement for Zener diode/resistor combinations, offering improvements in terms of lower quiescent current and lower noise.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 5.76 to 6.24 | V |
| Input Voltage Range | 8.5 to 30 | V |
| Output Current | 100 | mA |
| Quiescent Current | 6 (at 25°C), 5.5 (at 125°C) | mA |
| Line Regulation | 100 to 150 mV | mV |
| Load Regulation | 30 to 60 mV | mV |
| Dropout Voltage | 1.7 | V |
| Operating Junction Temperature Range | -40 to 125 | °C |
| Package Type | SOT-89-3 |
Key Features
- Fixed 6V output voltage with high accuracy and stability.
- Internal current limiting and thermal shutdown for enhanced reliability.
- Low quiescent current and low noise output.
- Wide input voltage range from 8.5V to 30V.
- Compact SOT-89-3 package.
- Supply voltage rejection ratio of 39 to 46 dB at 120 Hz.
Applications
The L78L06ABUTR is suitable for a variety of applications requiring a stable and reliable voltage source. These include:
- Power supplies for electronic devices.
- Voltage regulation in automotive systems.
- Industrial control systems.
- Consumer electronics.
- Replacement for Zener diode/resistor combinations in various circuits.
Q & A
- What is the output voltage of the L78L06ABUTR? The output voltage is fixed at 6V.
- What is the maximum output current of the L78L06ABUTR? The maximum output current is 100mA.
- What are the key protection features of the L78L06ABUTR? It features internal current limiting and thermal shutdown.
- What is the input voltage range for the L78L06ABUTR? The input voltage range is from 8.5V to 30V.
- What is the quiescent current of the L78L06ABUTR? The quiescent current is 6mA at 25°C and 5.5mA at 125°C.
- What is the dropout voltage of the L78L06ABUTR? The dropout voltage is 1.7V.
- What is the operating junction temperature range of the L78L06ABUTR? The operating junction temperature range is -40°C to 125°C.
- In what package is the L78L06ABUTR available? It is available in the SOT-89-3 package.
- What are some common applications of the L78L06ABUTR? Common applications include power supplies, automotive systems, industrial control systems, and consumer electronics.
- How does the L78L06ABUTR compare to Zener diode/resistor combinations? It offers lower quiescent current and lower noise compared to Zener diode/resistor combinations.
