The MIC5393-SSYMTTR is a high-performance, dual, low-dropout (LDO) regulator from Micrel, now Microchip Technology. This device is designed to provide a regulated voltage output with high accuracy and low noise, making it suitable for a wide range of applications requiring stable power supplies. It integrates two independent LDO regulators in a small, thermally efficient package.

Applications

• Mobile phones and smartphones: Powering core logic, memory, and peripheral devices.
• Tablets and portable devices: Ensuring stable power for processors, displays, and wireless communication modules.
• Digital cameras: Regulating power for image sensors, processors, and display drivers.
• Wireless communication devices: Supplying clean power to RF transceivers and baseband processors.
• Battery-powered systems: Providing efficient and regulated power from battery sources.
• Point-of-load regulation: Used in various electronic systems to provide regulated power at the point of load.

Features

• Dual LDO Regulators: Integrates two independent LDO regulators in a single package.
• Low Dropout Voltage: Provides regulated output voltage even with a small difference between input and output voltage.
• High Output Accuracy: Ensures stable and precise output voltage regulation.
• Low Noise: Minimizes output voltage noise for sensitive applications.
• Low Quiescent Current: Reduces power consumption in standby mode, extending battery life.
• Overcurrent and Thermal Protection: Protects the device from damage due to excessive current and temperature.
• Small Package Size: Available in a compact package for space-constrained applications.

Benefits

• Improved System Performance: Stable and accurate power regulation enhances the performance and reliability of electronic devices.
• Extended Battery Life: Low quiescent current minimizes power consumption, increasing battery life in portable applications.
• Simplified Design: Integrated dual LDO regulators reduce the number of external components required, simplifying circuit design.
• Enhanced Protection: Overcurrent and thermal protection features ensure device reliability and prevent damage.
• Space Savings: Small package size allows for compact system designs.
• Reduced Noise: Low output noise ensures clean power for sensitive analog and digital circuits.

Technical Specifications

The MIC5393-SSYMTTR typically operates with an input voltage range of 2.5V to 5.5V. The dropout voltage is typically very low, often in the range of 100mV to 200mV at full load current. The output voltage is fixed at a specific value, indicated by the part number suffix. The quiescent current is typically a few microamperes. The device includes thermal shutdown and current limiting protection. It is commonly available in a small outline package, such as a TDFN or similar.