The R1170D161B-TR is a voltage regulator IC manufactured by Ricoh. This particular model belongs to the R1170 series, which is known for its low dropout voltage and high accuracy. It's designed to deliver a stable 1.6V output voltage, making it suitable for a variety of applications that require a regulated power supply. The low dropout voltage characteristic allows the regulator to maintain stable output even when the input voltage is close to the output voltage.

Applications

• Microcontroller Power Supplies: Provides stable voltage to microcontrollers, especially in low-power applications.
• Memory Power Supplies: Regulating voltage for RAM and other memory components.
• Sensor Applications: Providing stable voltage for sensors and signal conditioning circuits.
• Battery-Powered Devices: Used in portable devices to efficiently regulate voltage from batteries.
• Wireless Communication Modules: Powering 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 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 dropout voltage and low quiescent current maximize 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 R1170D161B-TR typically comes in a small surface-mount package. Consult the datasheet for detailed specifications, including input voltage range, quiescent current, dropout voltage, and package dimensions. The enable/disable function can be used to further reduce power consumption when the regulator is not in use. This IC is optimized for battery-powered applications where efficiency and space are critical considerations.