The Ricoh R5426D105DA-TR-F is a high-performance voltage regulator designed for use in a variety of portable and battery-powered applications. This CMOS-based voltage regulator boasts a low dropout voltage and excellent transient response, making it ideal for sensitive electronic circuits.

Applications

• Smartphones and tablets
• Wearable devices (smartwatches, fitness trackers)
• Portable media players
• Wireless communication devices
• Battery-powered IoT devices

Features

• Low Dropout Voltage: Ensures stable output voltage even with low input voltage.
• High Output Voltage Accuracy: Provides a precise and reliable output voltage for sensitive circuits.
• Low Quiescent Current: Minimizes power consumption in standby mode, extending battery life.
• Overcurrent Protection: Protects the regulator and connected circuits from damage due to overcurrent conditions.
• Thermal Shutdown Protection: Prevents damage from overheating.
• Small Package: Available in a compact package for space-constrained applications.

Benefits

• Extended Battery Life: Low quiescent current and high efficiency contribute to longer battery life in portable devices.
• Improved System Stability: Stable output voltage and excellent transient response ensure reliable performance of connected circuits.
• Enhanced System Protection: Overcurrent and thermal shutdown protection features prevent damage to the regulator and connected components.
• Simplified Design: Integrated features and small package size simplify circuit design and reduce board space requirements.
• Cost-Effective Solution: Provides a high-performance voltage regulation solution at a competitive price.

Additional Details

The R5426D105DA-TR-F operates within a specified input voltage range, typically from 1.7V to 5.5V. The output voltage is fixed at 1.05V. The regulator is designed to handle output currents up to a specific maximum value, typically in the range of 300mA. It is available in a DFN(PLP) package. It also includes a chip enable pin that allows for the regulator to be shut down, further reducing power consumption when the output voltage is not needed.