The R1115Z181B-TR-F is a voltage regulator IC manufactured by Ricoh. It's part of the R1115 series, which is known for being a low-dropout (LDO) regulator with a focus on low supply current and high-output voltage accuracy. The device is designed for use in a wide array of applications, especially portable and battery-powered devices. This specific model outputs a voltage of 1.8V.

Applications

• Power Source for Microcontrollers: Supplies clean and stable power to microcontrollers in embedded systems.
• Voltage Regulation in Portable Electronics: Used in devices like MP3 players, digital cameras, and handheld gaming consoles.
• Power Management in Wearable Devices: Found in smartwatches, fitness trackers, and other wearable electronics.
• Regulation for IoT (Internet of Things) Devices: Provides a regulated voltage for various sensors and communication modules in IoT applications.
• Power Supply for Mobile Communication Devices: Used in cell phones and other mobile devices to regulate voltage for critical components.

Features

• Output Voltage: Fixed 1.8V output voltage with high accuracy.
• Low Supply Current: Minimizes power consumption, extending battery life.
• Input Voltage Range: Operates with a wide range of input voltages.
• 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

• Extended Battery Life: Low supply current contributes to longer battery life in portable applications.
• Stable Power Supply: High output voltage accuracy ensures a consistent and reliable power source for sensitive electronic components.
• Protection Against Damage: Overcurrent and thermal shutdown protection mechanisms safeguard the regulator and connected circuitry.
• Space-Saving Design: Small package size enables integration into compact devices where board space is limited.
• Wide Application Range: Suitable for various applications due to its versatile features and performance characteristics.

Additional Details

The R1115Z181B-TR-F LDO regulator is packaged in a small surface-mount package like SOT-23. The 'TR' suffix specifies that the part is provided on tape and reel packaging for efficient automated assembly. Its low quiescent current makes it exceptionally well-suited for battery-operated devices which have a need for a long run time between charges. Datasheets detail the precise pinout, absolute maximum ratings, and performance characteristics for this particular part. Often used where a simple, effective, and dependable 1.8V regulated power source is needed.