RT9261B Datasheet (RICHTEK) - VFM Step-up DC/DC Converter

RT9261B, VFM Step-up DC/DC Converter

The RT9261B Series are VFM Step-up DC/DC converter ICs with ultra low supply current by CMOS process and suitable for use with battery-powered instruments.

The RT9261B IC consists of an oscillator, a VFM control circuit, a driver transistor (LX switch), a reference voltage unit, an error amplifier,

RT9261B Features

* z Minimal Number of External Components (Only an Inductor, a Diode, and a Capacitor) Ultra Low Input Current (6.5µA at Switch Off) Capable of Supplying 50mA Output Current with Internal Switch ±2% Output Voltage Accuracy Low Ripple and Low Noise Low Start-up Voltage, 0.8V at 1mA 80% Efficiency with