ST2S06D33PQR

Voltage Regulators - DC DC Switching Regulators Overview

The ST2S06D33PQR is a dual synchronous rectification step-down DC-DC converter manufactured by STMicroelectronics. It provides two fixed positive output voltages of 3.3V with an output current capability of 800mA. The device operates within an input voltage range of 2.5V to 5.5V and utilizes a high switching frequency of 1.5MHz. It employs a current mode PWM topology for low output ripple and features internal soft start, thermal protection, and current limiting. The component is housed in a 12-VQFN package with an exposed pad.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Dual synchronous rectification architecture for efficient power conversion
• Fixed 3.3V output configuration optimized for low-voltage digital cores
• High switching frequency enabling the use of compact surface-mount components
• Integrated protection mechanisms including thermal shutdown and current limiting

Voltage Regulators - DC DC Switching Regulators Applications

• Optical disc drive (ODD) applications
• Powering low-voltage digital cores
• Replacing high-current linear solutions to reduce heat dissipation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component status as this part may be discontinued or obsolete. Confirm availability through authorized distributors only. Ensure compatibility with RoHS3 specifications if required. Check for alternative replacement parts from the same family if supply chain constraints exist. Validate packaging details against specific project requirements.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when dual isolated 3.3V rails are required from a single input source. Consider the 800mA current limit per channel for load requirements. The 1.5MHz frequency allows for smaller passive components compared to lower-frequency alternatives. Evaluate thermal performance in the target application environment due to the QFN package characteristics.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the ST2S06 series of dual step-down converters designed for ODD applications. It serves as a high-efficiency alternative to linear regulators, addressing thermal management issues in dense electronic designs. The series supports both adjustable and fixed output configurations across different variants.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers: ST2S06A33PQR, ST2S06B.