Product Summary

The RT9266PE is a compact, high efficiency, and lowvoltage step-up DC/DC converter with anAdaptive Current Mode PWM control loop, includes an error amplifier, ramp generator, comparator, switch pass element and driver in which providing a stable and high efficient operation over a wide range of load currents. RT9266PE operates in stable waveforms without external compensation. The low start-up input voltage below 1V makes RT9266PE suitable for 1 to 4 battery cells applications of providing up to 300mA output current. The 450kHz high switching rateminimized the size of external components.

Parametrics

RT9266PE absolute maximum ratings: (1)Supply Voltage: -0.3V to 7V; (2)LX Pin Switch Voltage: -0.3V to 7V; (3)Other I/O Pin Voltages: -0.3V to (VDD + 0.3V); (4)LXPin Switch Current: 2.5A; (5)EXTPinDriver Current: 200mA; (6)Package ThermaResistance: 145℃/W; (7)Operating Junction Temperature: 125℃; (8)Storage Temperature Range: -65℃ to +150℃.

Features

RT9266PE features: (1)1.0V Low Start-up Input Voltage; (2)High Supply Capability to Deliver 3.3V 100mA with 1 Alkaline Cell; (3)17mAQuiescent (Switch-off) Supply Current; (4)Zero Shutdown Mode Supply Current; (5)90%Efficiency; (6)450kHz Fixed Switching Frequency; (7)Providing Flexibility forUsing Internaand ExternaPower Switches; (8)Smal SOT-23-6 & SOT-89-5 Package; (9)RoHS Compliant and 100% Lead (Pb)-Free.

Diagrams

RT9266PE Typical Application Circuit

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