STMicroelectronics

L78M05CP

L78M05CP Description

The L78M05CP is a fixed linear voltage regulator designed and manufactured by STMicroelectronics, a leading global semiconductor company. This device is part of the Linear & Switching Voltage Regulators category and is specifically designed to provide a stable 5V output with a maximum input voltage of 35V. The L78M05CP features a single positive regulator, capable of delivering up to 500mA of output current. Despite being classified as obsolete, it remains a popular choice in certain applications due to its REACH unaffected status and compliance with ROHS3 standards.

L78M05CP Features

• Output Type: Fixed, providing a stable 5V output voltage.
• Voltage - Input (Max): 35V, allowing for a wide range of input voltages.
• Current - Output: 500mA, suitable for low to medium power applications.
• Number of Regulators: 1, ensuring a simple and straightforward design.
• Output Configuration: Positive, ideal for applications requiring a positive voltage output.
• Product Status: Obsolete, but still available and used in certain applications.
• REACH Status: REACH Unaffected, indicating compliance with European chemical regulations.
• RoHS Status: ROHS3 Compliant, adhering to environmental standards.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), allowing for extended storage without desiccant.
• Operating Temperature: 0°C ~ 150°C, suitable for a wide range of environmental conditions.
• Current - Quiescent (Iq): 6 mA, contributing to low power consumption.
• PSRR: 62dB (120Hz), providing excellent power supply rejection ratio.
• ECCN: EAR99, indicating export control classification.
• Mounting Type: Through Hole, facilitating easy installation in various circuit boards.
• Protection Features: Over Current, Over Temperature, Short Circuit, ensuring device safety and reliability.
• Package: Tube, suitable for bulk packaging and handling.

L78M05CP Applications

The L78M05CP is ideal for applications requiring a stable 5V output voltage with low to medium power demands. Some specific use cases include:

1. Portable Electronics: Powering low-power devices such as calculators, digital watches, and small sensors.
2. Industrial Controls: Providing a stable power supply for microcontrollers and other control systems in industrial settings.
3. Telecommunications: Supporting power requirements for communication equipment and network devices.
4. Automotive Electronics: Used in low-power automotive applications, such as infotainment systems and sensor modules.

Conclusion of L78M05CP

While the L78M05CP is classified as obsolete, its unique combination of features, including a fixed 5V output, 500mA output current, and compliance with environmental standards, make it a suitable choice for certain low to medium power applications. Its wide operating temperature range and robust protection features further enhance its versatility. Although newer models may offer improved performance and efficiency, the L78M05CP remains a reliable option for applications where its specific characteristics are required.