Nisshinbo Micro Devices Inc. Voltage Regulators - Linear R1111N181A-TR-FE

The R1111N181A-TR-FE is a low noise, CMOS-based linear voltage regulator IC designed to provide a fixed output voltage with high accuracy. It supports output currents up to 150mA and features a typical supply current of 35OºA, with a standby mode current of just 0.1OºA. The dropout voltage is low at approximately 0.2V when sourcing 100mA, making it suitable for battery-powered applications. This regulator offers excellent ripple rejection of 70dB at 1kHz and maintains a line regulation of 0.05%/V. The output voltage can be selected in fixed increments from 1.5V to 5.0V, with an accuracy of ±2.0%. The device is housed in a compact SOT-23-5 package, allowing for high-density mounting on PCBs. Additional features include a built-in chip enable circuit, fold-back protection, and a low temperature-drift coefficient of ±100ppm/°C. The R1111N181A-TR-FE is suitable for various applications, including power supplies for cellular phones, cameras, and other handheld devices.