Microchip Technology Tariff Inquiry

MIC5319-3.0BD5

MIC5319-3.0BD5 Description

The MIC5319-3.0BD5 is a fixed output linear voltage regulator designed by Microchip Technology, offering a stable 3V output voltage with a maximum input voltage of 5.5V. This regulator is capable of delivering up to 500mA of output current, making it suitable for a variety of low-power applications. The device features a low dropout voltage of 0.4V at 500mA, ensuring efficient operation even when the input voltage is close to the output voltage. The regulator is housed in a compact TSOT23-5 package, ideal for space-constrained designs. Despite its small size, the MIC5319-3.0BD5 includes essential protection features such as over-current and over-temperature protection, ensuring reliable performance under various operating conditions.

MIC5319-3.0BD5 Features

• Fixed Output Voltage: Provides a stable 3V output, ideal for applications requiring a precise and consistent power supply.
• Low Dropout Voltage: With a maximum dropout voltage of 0.4V at 500mA, the regulator maintains efficiency even at low input-to-output voltage differentials.
• Low Quiescent Current: Consumes only 150 µA of quiescent current, making it suitable for battery-powered and low-power applications.
• High PSRR: Offers a high power supply rejection ratio (PSRR) of 70dB at 1kHz and 60dB at 10kHz, ensuring minimal noise and ripple on the output voltage.
• Enable Control Feature: Includes an enable pin, allowing for easy control of the regulator's operation and power savings when the regulator is disabled.
• Protection Features: Equipped with over-current and over-temperature protection, safeguarding the device and connected components from damage.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for a wide range of manufacturing processes without additional moisture protection.
• Mounting Type: Surface mount, compatible with automated assembly processes and compact PCB designs.

MIC5319-3.0BD5 Applications

The MIC5319-3.0BD5 is ideal for a range of applications where a stable and efficient power supply is required. Its low dropout voltage and low quiescent current make it particularly suitable for battery-powered devices and portable electronics. The regulator's compact TSOT23-5 package and surface-mount design allow for easy integration into space-constrained designs, such as:

• Consumer Electronics: Portable devices, smartphones, and tablets.
• Industrial Applications: Embedded systems, IoT devices, and sensor modules.
• Medical Devices: Portable medical equipment and wearable health monitors.
• Communication Equipment: Low-power routers, modems, and wireless access points.

Conclusion of MIC5319-3.0BD5

The MIC5319-3.0BD5 is a versatile and efficient linear voltage regulator that offers a stable 3V output with a maximum input voltage of 5.5V. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for low-power applications where efficiency and performance are critical. The inclusion of enable control and comprehensive protection features further enhances its reliability and flexibility. Despite being marked as obsolete, the MIC5319-3.0BD5 remains a valuable component for designers seeking a compact and efficient power solution.