onsemi

MC78LC33HT1G

MC78LC33HT1G Description

The MC78LC33HT1G is a Linear & Switching Voltage Regulator offered by onsemi. This device is designed for applications requiring a fixed output voltage of 3.3V and can deliver a maximum output current of 50mA. It features a positive output configuration and is available in a surface-mount SOT89-3 package. Despite being classified as obsolete, the MC78LC33HT1G remains a reliable choice for certain applications due to its REACH unaffected status and compliance with various international trade regulations.

MC78LC33HT1G Features

• Output Type: Fixed, ensuring a stable and predictable output voltage.
• Voltage - Input (Max): 12V, allowing for a wide range of input voltages.
• Current - Output: 50mA, suitable for low-power applications.
• Number of Regulators: 1, providing a single output for simplicity.
• Output Configuration: Positive, ideal for applications requiring a positive voltage reference.
• Product Status: Obsolete, but still available for legacy systems or specific applications.
• REACH Status: REACH Unaffected, indicating compliance with European chemical regulations.
• Mfr: onsemi, a reputable manufacturer in the semiconductor industry.
• Voltage - Output (Min/Fixed): 3.3V, providing a stable and consistent output voltage.
• Voltage Dropout (Max): 0.053V @ 1mA, ensuring efficient operation even under low load conditions.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), allowing for storage and handling without special precautions.
• Current - Quiescent (Iq): 3.3 µA, contributing to low power consumption in standby modes.
• ECCN: EAR99, indicating that the device is not subject to export controls.
• Mounting Type: Surface Mount
• HTSUS: 8542.39.0001, facilitating customs clearance and import/export processes.
• Package: Tape & Reel (TR), optimizing for automated handling and assembly.

MC78LC33HT1G Applications

The MC78LC33HT1G is ideal for applications where a stable 3.3V output is required, such as:

• Portable Electronics: Powering low-power circuits in devices like smartphones, tablets, and wearables.
• Industrial Controls: Providing a reliable voltage source for microcontrollers and sensors in industrial automation systems.
• Medical Devices: Ensuring a stable power supply for low-power medical instruments and diagnostic equipment.

Conclusion of MC78LC33HT1G

While the MC78LC33HT1G is classified as obsolete, it remains a viable option for applications that require a stable 3.3V output with low quiescent current. Its fixed output, positive configuration, and low dropout voltage make it suitable for a range of low-power applications. Despite its age, the MC78LC33HT1G's performance and reliability continue to meet the needs of many electronic systems, particularly in legacy or specialized applications.