The R1170D161B-TR-FA is a voltage regulator IC manufactured by Ricoh. This model is part of the R1170 series, known for its low dropout voltage and high accuracy. It's designed to provide a stable 1.6V output voltage, making it suitable for various low-voltage applications. The low dropout voltage characteristic allows the regulator to operate efficiently even when the input voltage is only slightly higher than the output voltage.

Applications

• Low-Power Microcontrollers: Providing a stable 1.6V supply to low-power microcontrollers in portable devices.
• Memory Modules: Regulating the voltage for low-voltage memory components.
• Sensor Applications: Providing a stable and accurate voltage for sensor circuits.
• Battery-Powered Devices: Optimizing power consumption in battery-operated equipment.
• Wireless Communication Devices: Powering low-voltage RF transceivers and other wireless components.

Features

• Fixed Output Voltage: Provides a stable 1.6V output.
• Low Dropout Voltage: Maintains regulation even with a small difference between input and output voltage.
• High Output Voltage Accuracy: Ensures the powered devices receive the correct voltage.
• Overcurrent Protection: Protects the IC and load from excessive current.
• 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 dropout voltage 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 Efficiency: Optimized for low-power operation.

Additional Details

The R1170D161B-TR-FA is typically supplied in a small surface-mount package. Refer to the datasheet for detailed specifications, including input voltage range, quiescent current, dropout voltage, and package dimensions. The enable/disable function can be utilized to minimize power consumption when the regulator is not needed. The device is particularly well-suited for low-power applications where a stable and efficient 1.6V supply is required.