MC33262DR2

Overview

The MC33262DR2G is an active power factor controller from the MC332 series, designed for pre-converters in electronic ballasts and offline power supplies. It operates within a supply voltage range of 12 V to 28 V and supports surface-mount installation in an 8-pin SOIC package measuring 5 x 4 x 1.5 mm. The device functions reliably across an operating temperature range of -40°C to +105°C, featuring a maximum startup supply current of 0.4 mA and a peak source/sink current capability of 500 mA.

Feature Summary

• Integrates a single-quadrant multiplier for linear transmission curve control
• Includes zero-current detection for critical conduction mode operation
• Features internal start-up timer and fast-start circuitry

Applications

• Active power factor correction in electronic ballasts
• Pre-converter stages in offline power supplies

Procurement Notes

Verify the complete part number suffix, as official documentation typically lists this component as MC33262DR2G. Confirm that the 'G' suffix indicates RoHS compliance and halogen-free status. Ensure the ordering specification matches the required surface-mount packaging and voltage ratings before finalizing procurement.

Selection Notes

Select this controller for applications requiring high linearity and low harmonic distortion in AC-DC conversion. The integrated zero-current detection allows for reduced output rectifier reverse recovery requirements. Consider the 12 V to 28 V supply range and industrial temperature specifications when designing the power stage.

Part Context

This component belongs to the MC332 series of power factor controllers manufactured by onsemi. It shares functional similarities with the MC34262 but is optimized for specific commercial and industrial power supply architectures. The series is characterized by its ability to shape input current to follow the input voltage waveform effectively.

Replacement Considerations

MC34262 is a documented alternative within the same product family.