The R1115Z281D-TR-F is a low-dropout (LDO) voltage regulator manufactured by Ricoh. It is part of the R1115 series, known for its low supply current, high accuracy, and small package size. This particular model provides a stable 2.8V output voltage, making it suitable for a wide range of portable devices and power management applications.

Applications

• Powering Microcontrollers: Provides a stable voltage supply for microcontrollers in embedded systems.
• Mobile Phones and Smartphones: Used in power management circuits to regulate voltage for various components within the device.
• Wearable Devices: Suited for use in smartwatches, fitness trackers, and other wearable electronics.
• IoT (Internet of Things) Devices: Ideal for providing regulated power in low-power IoT applications.
• Portable Audio Players: Regulates voltage for audio amplifiers and other circuits in portable music players.

Features

• Output Voltage: Fixed 2.8V output voltage with high accuracy.
• Low Supply Current: Minimizes power consumption, extending battery life.
• Input Voltage Range: Supports a wide range of input voltages for flexibility in power source selection.
• Overcurrent Protection: Protects the regulator and connected devices from damage due to excessive current flow.
• Thermal Shutdown Protection: Prevents overheating and potential damage at high temperatures.
• Small Package: Available in a compact package for space-constrained applications.

Benefits

• Stable Voltage Supply: Ensures a consistent and reliable voltage source for sensitive electronic components.
• Extended Battery Life: Low supply current helps maximize battery life in portable devices.
• Protection Against Overload: Built-in overcurrent and thermal protection mechanisms enhance system reliability.
• Compact Design: Small package size allows for easy integration into space-limited applications.
• Wide Operating Range: Suitable for a variety of operating conditions due to its wide input voltage range.

Additional Details

The R1115Z281D-TR-F typically comes in a small surface-mount package such as SOT-23. The 'TR' suffix usually signifies tape and reel packaging, which is designed for automated assembly. Its low quiescent current renders it well suited for battery-driven applications where long service life is desired. This component is likely to incorporate short-circuit protection for preventing damage due to load shorts. Datasheets offer detailed specifications regarding package dimensions, operating conditions, and pinout. It is commonly employed in applications needing a simple, efficient, and reliable 2.8V regulated supply.