RichTek Technology Corporation Voltage Regulators - Linear RT9018B-25GSP

The RT9018B-25GSP is a linear voltage regulator designed for applications requiring a maximum output current of 3A and ultra-low dropout voltage. It operates with an input voltage as low as 1.4V and can provide an adjustable output voltage down to 0.8V, making it suitable for scenarios where the output voltage is close to the input voltage. The device features a power good signal to indicate when the output voltage reaches 90% of its rated value, and it includes thermal and overcurrent protection for enhanced reliability. This regulator is available in two package types: SOP-8 (Exposed Pad) and WDFN-10L 3x3, with preset output voltages of 1V, 1.05V, 1.2V, 1.5V, 1.8V, and 2.5V. The RT9018B-25GSP is RoHS compliant and suitable for both Pb-free and SnPb soldering processes. It is particularly applicable in notebook PC and motherboard applications, where efficient voltage regulation is critical.