Nisshinbo Micro Devices Inc. Voltage Regulators - Linear R1191L032D-TR

The R1191L032D-TR is a linear voltage regulator from Quarktwin Technology Ltd. designed to provide a stable output current of 300mA. It operates within an input voltage range of 3.5V to 16V and offers an output voltage range from 2.0V to 15.0V in 0.1V increments. The device features a low supply current of approximately 50µA in fast mode and only 0.3µA in standby mode, making it suitable for low-power applications. This regulator includes reverse current protection, which prevents current from flowing back into the VDD pin when the output voltage exceeds the input voltage, enhancing its reliability in backup circuits. It also incorporates thermal shutdown and fold-back protection to safeguard against overheating and short-circuit conditions. The typical dropout voltage is 0.55V at 300mA output, and it provides a ripple rejection of 60dB at 1kHz. The R1191L032D-TR is available in compact packages such as DFN1616-6, SOT-23-5, and SOT-89-5, allowing for high-density mounting on circuit boards. Recommended external components include ceramic capacitors with a minimum input capacitance of 2.2µF and output capacitance of 4.7µF. This product is suitable for applications in digital home appliances and audio-visual equipment.