XC9287A33DPR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9287A33DPR-G is a synchronous buck converter from the HiSAT-COT series by Torex Semiconductor. It operates with an input voltage range of 2.5 V to 5.5 V and provides a fixed output voltage of 3.3 V at up to 1.5 A. The device utilizes PWM control with a switching frequency of 1.2 MHz. Key electrical characteristics include a low quiescent current of 15 uA and operation across a temperature range of -40°C to +105°C. It is housed in a compact SOT-89-5 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• HiSAT-COT technology enables stable operation with small external components
• Synchronous rectification improves conversion efficiency
• Integrated shutdown function reduces standby power consumption

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered systems needing low quiescent current
• Embedded circuits within consumer electronics

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix DPR against the official datasheet to confirm the SOT-89-5 package and tape-and-reel configuration. Ensure compatibility with the required 3.3 V output specification. Confirm RoHS compliance status through manufacturer documentation before integration into production designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3 V output is required from a 2.5 V to 5.5 V input source. The SOT-89-5 package suits applications with moderate space constraints compared to smaller alternatives. Consider the 1.5 A current limit and 1.2 MHz frequency for thermal and EMI management in the final design.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9287 family of HiSAT-COT synchronous buck converters. The series offers various fixed output voltages and packaging options, including USP-C-EP-6 and SOT-89-5. The XC9287A33DPR-G specifically targets applications requiring reliable step-down regulation with minimal external component count.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Cross-reference with other XC9287 variants such as XC9287A33CER-G for different package options. Verify pinout compatibility and thermal performance if substituting with packages like USP-C-EP-6. Ensure the replacement maintains the same 3.3 V output and 1.5 A capability.