Overview
The L78L05ACD13TR is a three-terminal positive voltage regulator produced by STMicroelectronics. This component is part of the L78L series, which is known for its reliability and robust performance in various electronic systems. The L78L05ACD13TR is specifically designed to provide a stable output voltage of 5V, making it suitable for a wide range of applications where a consistent voltage supply is crucial.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Output Voltage (VO) | 4.8 | 5 | 5.2 | V |
| Line Regulation (ΔVO) | - | - | 150 mV | - |
| Load Regulation (ΔVO) | - | - | 30 mV | - |
| Quiescent Current (Id) | - | 6 mA | 5.5 mA | - |
| Dropout Voltage (Vd) | - | - | 1.7 V | - |
| Output Noise Voltage (eN) | - | 70 µV | - | - |
| Supply Voltage Rejection (SVR) | - | 37 dB | 44 dB | - |
Key Features
- Internal Current Limiting: The L78L05ACD13TR features internal current limiting, which helps in preventing the regulator from overheating and ensures stable operation.
- Thermal Shutdown: This component includes thermal shutdown protection, which automatically turns off the regulator if it exceeds a certain temperature threshold, enhancing reliability and safety.
- Low Dropout Voltage: With a dropout voltage of 1.7V, this regulator can operate efficiently even when the input voltage is close to the output voltage.
- Low Output Noise: The regulator has a low output noise voltage of 70 µV, making it suitable for applications requiring minimal noise.
- High Supply Voltage Rejection: The L78L05ACD13TR offers high supply voltage rejection, ensuring that the output voltage remains stable despite variations in the input voltage.
Applications
The L78L05ACD13TR is versatile and can be used in a variety of applications, including:
- Consumer Electronics: Suitable for use in devices such as TVs, audio equipment, and other consumer electronics where a stable 5V supply is required.
- Industrial Control Systems: Can be used in industrial control systems, automation, and monitoring devices that need a reliable voltage source.
- Medical Devices: Applicable in medical devices where precision and stability of the voltage supply are critical.
- Automotive Systems: Can be used in automotive systems, including infotainment systems and other electronic components that require a stable 5V supply.
Q & A
- What is the output voltage of the L78L05ACD13TR?
The output voltage of the L78L05ACD13TR is 5V, with a tolerance range of 4.8V to 5.2V. - What is the dropout voltage of this regulator?
The dropout voltage of the L78L05ACD13TR is 1.7V. - Does the L78L05ACD13TR have thermal shutdown protection?
Yes, the L78L05ACD13TR includes thermal shutdown protection to prevent overheating. - What is the quiescent current of this regulator?
The quiescent current of the L78L05ACD13TR is typically 6 mA at 25°C. - What is the output noise voltage of the L78L05ACD13TR?
The output noise voltage of the L78L05ACD13TR is 70 µV. - What is the supply voltage rejection of this regulator?
The supply voltage rejection of the L78L05ACD13TR is between 37 dB and 44 dB. - Can the L78L05ACD13TR be used in automotive systems?
Yes, the L78L05ACD13TR can be used in automotive systems due to its reliability and stability. - What are the typical applications of the L78L05ACD13TR?
The L78L05ACD13TR is typically used in consumer electronics, industrial control systems, medical devices, and automotive systems. - Does the L78L05ACD13TR have internal current limiting?
Yes, the L78L05ACD13TR features internal current limiting to prevent overheating and ensure stable operation. - What is the operating temperature range of the L78L05ACD13TR?
The operating temperature range of the L78L05ACD13TR is from 0°C to 125°C.
