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The RT9078 is a low-dropout (LDO) voltage regulator with an enable function that operates from a 1.2V to 5.5V supply. It provides up to 300mA of output current in miniaturized packaging.The device features a 2μA low quiescent current and 0.5μA shutdown current, making it ideal for battery-powered applications requiring extended service life. Additional features include a current limit function, over-temperature protection, and output discharge function.The recommended junction temperature range is -40°C to 125°C.
Input Voltage Range: 1.2V to 5.5V
2μA Ground Current (IQ) at no Load
PSRR = 75dB at 1kHz
Adjustable Output Voltage Range: ► 0.8V to 5V (TSOT-23-5 Package with SNS Pin Only)
±2% Output Accuracy
Low (0.1μA) Shutdown Current
Dropout Voltage: 0.15V at 300mA when VVOUT ≥ 3V
Support Fixed Output Voltage: 0.8V, 1.0V, 1.05V, 1.1V, 1.2V, 1.25V, 1.3V, 1.5V, 1.8V, 1.85V, 2V, 2.5V, 2.8V, 2.85V, 3V, 3.1V, 3.3V, 3.45V
Current Limit Protection
Over Temperature Protection
Output Active Discharge Function
Available in TSOT-23-5 and ZQFN-4L 1x1 (ZDFN-4L 1x1) Packages
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