The R5478N128EC-TR-FF is a voltage regulator manufactured by Ricoh Electronic Devices. This regulator is designed to provide a stable and precise output voltage, making it suitable for a variety of electronic devices. It incorporates features such as low dropout voltage and overcurrent protection to ensure reliable performance.

Applications

• Portable Devices: Used in smartphones, tablets, and other portable devices to provide stable power.
• Battery-Powered Systems: Provides regulated voltage for battery-powered devices, such as IoT devices and wearables.
• Power Management Circuits: Used in power management circuits to regulate voltage for sensitive components.
• Microcontroller Power Supply: Provides a stable voltage supply for microcontrollers in embedded systems.
• Sensor Power Supply: Powers sensors in various applications, such as environmental monitoring and industrial control.

Features

• Low Dropout Voltage: Offers low dropout voltage, enabling operation with low input voltage.
• High Output Voltage Accuracy: Provides precise and stable output voltage.
• Overcurrent Protection: Includes overcurrent protection to prevent damage from excessive current.
• Thermal Shutdown Protection: Incorporates thermal shutdown protection to prevent overheating.
• Small Package: Available in a small package for space-saving designs.

Benefits

• Stable Power Supply: Provides a stable and regulated voltage supply for sensitive components.
• Extended Battery Life: Low dropout voltage improves battery life in portable devices.
• Enhanced Reliability: Overcurrent and thermal shutdown protection enhance system reliability.
• Simplified Design: Integrates multiple features into a single chip, simplifying design.
• Versatile Application: Suitable for a wide range of voltage regulation applications.

Additional Details

The R5478N128EC-TR-FF typically has an output voltage of 1.2V and an input voltage range of 1.7V to 5.5V. The output current capability is typically up to 300mA. The device includes protection features such as short-circuit protection and reverse voltage protection. It is important to consult the datasheet for specific electrical characteristics, such as the exact output voltage accuracy, dropout voltage, and protection thresholds, as these can vary based on the specific part number and manufacturing date. The operating temperature range is typically from -40°C to +85°C. The R5478N128EC-TR-FF is often available in DFN or similar surface-mount packages.