The RP102Z281D5-TR is a CMOS-based LDO voltage regulator manufactured by Ricoh. Designed for low-power applications, this regulator boasts a low quiescent current and excellent transient response, making it well-suited for portable devices and battery-powered systems. The device's small size and stable operation with ceramic capacitors further enhance its appeal for space-constrained applications.

Applications:

• Battery-powered devices
• Wearable electronics
• Smartphones and tablets
• IoT (Internet of Things) devices
• Portable audio players

Features:

• Low quiescent current: Minimizes power consumption in standby mode, extending battery life.
• Low dropout voltage: Ensures stable output voltage even when the input voltage approaches the output voltage.
• Stable with ceramic capacitors: Allows for the use of small and inexpensive ceramic capacitors.
• Built-in overcurrent protection: Protects the regulator and the connected load from excessive current draw.
• Thermal shutdown circuit: Prevents damage from overheating.

Benefits:

• Longer battery life: The low quiescent current significantly reduces power consumption, extending the operating time of battery-powered devices.
• Stable power supply: Provides a stable and regulated output voltage, ensuring proper operation of sensitive electronic components.
• Reduced PCB space: The small package size and the ability to use ceramic capacitors contribute to a smaller overall footprint.
• Enhanced system reliability: Overcurrent protection and thermal shutdown circuits protect the device and the load from potential damage.
• Simplified design: Stable operation with ceramic capacitors simplifies the design process and reduces the need for external components.

Additional Details:

The RP102Z281D5-TR has a fixed output voltage of 2.8V. The input voltage range typically spans from 1.7V to 5.5V. The dropout voltage is typically low, enhancing efficiency. The ultra-low quiescent current minimizes power waste. The device utilizes a small package like DFN or SOT-23. Refer to the Ricoh datasheet for comprehensive details regarding input voltage, output current capabilities, dropout voltage specifics, quiescent current values, and other essential electrical characteristics. The operating temperature range is generally specified from -40°C to +85°C, enabling operation in diverse environmental conditions.