The Nisshinbo Micro Devices Inc. R1172D181A-TR-FE is a voltage regulator IC, specifically a low-dropout (LDO) regulator. LDO regulators are designed to maintain a stable output voltage even when the input voltage is close to the desired output voltage. This makes them ideal for battery-powered applications and other scenarios where input voltage fluctuations are common.

Applications

• Battery-powered devices
• Smartphones
• Tablets
• Wearable electronics
• Wireless communication devices
• Portable audio players

Features

• Low dropout voltage
• Low quiescent current
• Overcurrent protection
• Thermal shutdown protection
• High output voltage accuracy
• Small package size
• Stable with ceramic capacitors

Benefits

• Extended battery life: The low quiescent current minimizes power consumption, extending the battery life of portable devices.
• Stable output voltage: The low dropout voltage ensures a stable output voltage even with fluctuating input voltage.
• Protection against damage: The overcurrent and thermal shutdown protection features protect the device and the connected load from damage.
• Accurate voltage regulation: High output voltage accuracy ensures reliable operation of the connected load.
• Compact design: The small package size allows for use in space-constrained applications.
• Simplified design: Stability with ceramic capacitors simplifies circuit design and reduces the number of external components.

Additional Details

The R1172D181A-TR-FE has a fixed output voltage of 1.8V. The dropout voltage is typically in the range of tens to hundreds of millivolts at the rated output current (check the datasheet for the exact value). It's crucial to use appropriate input and output capacitors as recommended in the datasheet for stable operation. This LDO is designed to operate over a wide temperature range, making it suitable for use in harsh environments. The device's datasheet provides detailed information about its electrical characteristics, thermal performance, and application circuit examples.

Always refer to the official datasheet for the most accurate and up-to-date specifications and application guidelines.