The R1162D281B-TR-A is a voltage regulator IC manufactured by Ricoh. It's designed to maintain a stable 2.8V output voltage, even with variations in input voltage or load current. This regulator is part of the R1162 series, which is known for its low current consumption and high accuracy, making it suitable for portable and battery-powered devices.

Applications

• Mobile Phones: Powering core components and peripherals.
• Portable Audio Players: Providing stable voltage to audio processing circuits.
• Digital Cameras: Regulating voltage for image sensors and processors.
• Wearable Devices: Smartwatches, fitness trackers, and other wearable technology.
• Wireless Communication Modules: Bluetooth and Wi-Fi modules.

Features

• Fixed Output Voltage: Provides a stable 2.8V output.
• Low Supply Current: Minimizes power consumption, extending battery life.
• High Output Voltage Accuracy: Ensures the powered devices receive the correct voltage.
• Overcurrent Protection: Protects the IC and the load from excessive current draw.
• Thermal Shutdown Protection: Prevents damage due to overheating.
• Small Package: Allows for use in compact electronic devices.
• Enable/Disable Function: Provides a way to turn the regulator on or off for power saving.

Benefits

• Stable and Reliable Power: Ensures consistent performance of connected devices.
• Extended Battery Life: Low current consumption maximizes operating time for portable devices.
• Protection from Fault Conditions: Overcurrent and thermal protection prevent damage.
• Compact Design: Suitable for applications with limited board space.
• Improved System Efficiency: Optimized for low-power operation.

Additional Details

The R1162D281B-TR-A typically comes in a small surface-mount package. Consult the datasheet for detailed specifications including input voltage range, quiescent current, and package dimensions. The enable/disable function can be used to further reduce power consumption when the regulator is not needed. The device is designed to provide a cost-effective and reliable voltage regulation solution for a wide range of applications.