onsemi

L78LR05D-MA-E

L78LR05D-MA-E Description

The L78LR05D-MA-E is a linear voltage regulator designed by onsemi, offering a fixed output voltage of 5V and a maximum output current of 150mA. This regulator is housed in a TP5HFA package, making it suitable for surface-mount applications. Despite its obsolescence status, the L78LR05D-MA-E remains a reliable choice for applications requiring a stable and efficient power supply. With a maximum input voltage of 20V, this regulator ensures robust performance across a wide range of input conditions. Its dropout voltage of 2.2V at 40mA ensures efficient operation even at lower input voltages, making it ideal for battery-powered devices.

L78LR05D-MA-E Features

• Output Type: Fixed, providing a stable 5V output voltage.
• Input Voltage Range: Capable of handling up to 20V, ensuring compatibility with various power sources.
• Output Current: Delivers a consistent 150mA, suitable for a wide range of low-power applications.
• Dropout Voltage: A maximum of 2.2V at 40mA, enhancing efficiency in low-voltage scenarios.
• Output Configuration: Positive, simplifying circuit design and integration.
• Protection Features: Over-current and over-temperature protection ensures reliability and longevity.
• Control Features: Reset functionality allows for controlled power cycling and system resets.
• Performance: A Power Supply Rejection Ratio (PSRR) of 79dB at 120Hz, ensuring minimal noise and high stability.
• Compliance: REACH Unaffected and ROHS3 Compliant, adhering to stringent environmental and safety standards.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited), suitable for various manufacturing environments.

L78LR05D-MA-E Applications

The L78LR05D-MA-E is well-suited for applications requiring a stable 5V power supply with moderate current capabilities. Its compact TP5HFA package and surface-mount design make it ideal for space-constrained environments. Specific use cases include:

• Consumer Electronics: Powering small devices such as portable chargers, handheld gaming consoles, and low-power peripherals.
• Industrial Equipment: Providing stable power to sensors, microcontrollers, and other low-power components in industrial settings.
• Telecommunications: Ensuring reliable power supply for low-power communication modules and IoT devices.
• Automotive: Suitable for powering auxiliary systems and electronic control units in vehicles.

Conclusion of L78LR05D-MA-E

The L78LR05D-MA-E, despite being marked as obsolete, continues to offer significant value in applications requiring a stable 5V power supply with moderate current capabilities. Its robust protection features, efficient dropout voltage, and compliance with environmental standards make it a reliable choice. While newer alternatives may offer enhanced performance, the L78LR05D-MA-E remains a cost-effective and dependable solution for a variety of low-power applications.