Overview
The LM78L05ACZX is a 3-terminal positive voltage regulator produced by Fairchild Semiconductor, now part of ON Semiconductor. This component is designed to provide a stable 5V output voltage with a maximum current of 100mA. It is widely used in various electronic applications where a reliable and efficient voltage regulation is required.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 5 | V |
| Output Current | 100 | mA |
| Input Voltage - Min | 5.7 | V |
| Input Voltage - Max | 30 | V |
| Quiescent Current (Iq) | 5.5 | mA |
| Operating Temperature | -40 to +125 | °C |
| Package | TO-92-3, TO-226-3 (TO-226AA) | |
| Mounting Type | Through Hole | |
| Power Dissipation (PD) | ≤ 0.75 | W |
| Ripple Rejection (RR) | 40 dB (at 120 Hz) | |
| Dropout Voltage (VD) | 1.7 | V |
Key Features
- Maximum Output Current of 100mA: The LM78L05ACZX can supply up to 100mA of current, making it suitable for a variety of applications.
- Output Voltage of 5V: The regulator provides a stable 5V output voltage with a tolerance of ±5%.
- Thermal Overload Protection: The component includes thermal overload protection to prevent damage from excessive heat.
- Short-Circuit Current Limiting: It features short-circuit current limiting to protect against overcurrent conditions.
- Low Quiescent Current: The quiescent current is 5.5mA, which is relatively low and efficient.
- Wide Operating Temperature Range: The regulator operates over a temperature range of -40°C to +125°C.
Applications
The LM78L05ACZX is versatile and can be used in a wide range of applications, including:
- Consumer Electronics: Such as audio equipment, TVs, and other household appliances.
- Industrial Control Systems: For regulating power in industrial automation and control systems.
- Automotive Systems: In automotive electronics where a stable 5V supply is needed.
- Medical Devices: In medical equipment that requires reliable voltage regulation.
- Embedded Systems: In microcontroller-based projects and other embedded systems.
Q & A
- What is the output voltage of the LM78L05ACZX?
The output voltage of the LM78L05ACZX is 5V with a tolerance of ±5%. - What is the maximum output current of the LM78L05ACZX?
The maximum output current is 100mA. - What is the input voltage range for the LM78L05ACZX?
The input voltage range is from 5.7V to 30V. - Does the LM78L05ACZX have thermal protection?
Yes, it includes thermal overload protection. - What is the quiescent current of the LM78L05ACZX?
The quiescent current is 5.5mA. - What is the operating temperature range of the LM78L05ACZX?
The operating temperature range is -40°C to +125°C. - What type of package does the LM78L05ACZX come in?
The component comes in TO-92-3 and TO-226-3 (TO-226AA) packages. - Does the LM78L05ACZX have short-circuit current limiting?
Yes, it features short-circuit current limiting. - What is the ripple rejection of the LM78L05ACZX?
The ripple rejection is 40 dB at 120 Hz. - What is the dropout voltage of the LM78L05ACZX?
The dropout voltage is 1.7V.
