The R1170H181B-T1-F is a low dropout (LDO) voltage regulator IC manufactured by Ricoh. It's designed to provide a stable 1.8V output voltage, making it suitable for a variety of applications requiring a regulated power supply. The device operates with a low quiescent current, maximizing efficiency and prolonging battery life in portable devices.

Applications

• Powering microcontrollers
• Regulating voltage in portable electronics (e.g., smartphones, tablets)
• Battery-powered applications
• Sensor circuits requiring stable voltage
• Wireless communication modules

Features

• Output Voltage: Fixed 1.8V output.
• Input Voltage Range: Typically operates with an input voltage range of 1.4V to 6.0V.
• Low Dropout Voltage: Ensures regulation even when the input voltage is close to the output voltage.
• Low Supply Current: Minimizes power consumption, extending battery life.
• Overcurrent Protection: Protects the device and load from excessive current.
• Short-Circuit Protection: Protects the device and load from damage due to short circuits.
• Thermal Shutdown Protection: Prevents overheating by shutting down the regulator at high temperatures.

Benefits

• Stable and Accurate Voltage: Provides a reliable power supply for sensitive electronic components.
• Improved Battery Life: Low supply current optimizes power usage in battery-powered systems.
• Enhanced System Reliability: Built-in protection features prevent damage from common electrical faults.
• Compact Size: Allows for integration into small form-factor devices.
• Easy to Use: Requires minimal external components for operation.

Additional Details

The R1170H181B-T1-F is a CMOS-based LDO regulator offering high performance and reliability. The "F" suffix often denotes specific tape and reel packaging or other minor variations. External capacitors are typically required for stable operation; refer to the datasheet for recommended capacitor values and types. Proper PCB layout is crucial for minimizing noise and ensuring stable operation. Consult the datasheet for detailed specifications, application notes, and package dimensions. The device is designed to be RoHS compliant.