XD9707B75DPR-Q

Voltage Regulators - DC DC Switching Regulators Overview

The XD9707B75DPR-Q is a synchronous step-down DC/DC converter manufactured by Torex Semiconductor Ltd. It operates with an input voltage range of 3 V to 36 V and provides a maximum output current of 600 mA. The device utilizes a fixed internal feedback resistor network to set the output voltage at 2.8 V. It features a high switching frequency of 2.2 MHz, enabling the use of small external components. The converter includes built-in driver FETs and offers protection features such as overcurrent protection and thermal shutdown. It is housed in a compact SOT-89-5 package suitable for surface mount applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture with integrated Nch-Nch driver FETs for improved efficiency
• High-frequency operation at 2.2 MHz allows for miniaturization of passive components
• Integrated protection mechanisms including overcurrent limiting and thermal shutdown
• Fixed output voltage configuration simplifies circuit design

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power conversion
• Industrial equipment power supply lines
• Battery-powered systems needing stable regulated voltage
• General-purpose DC/DC conversion in space-constrained PCB layouts

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the component authenticity against official Torex Semiconductor datasheets. Confirm the specific suffix 'Q' indicates automotive or qualified grade requirements if applicable to your system. Ensure the SOT-89-5 package dimensions match your PCB footprint. Check for RoHS compliance status in the latest manufacturer documentation before finalizing procurement specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.8 V output is required from a wide input voltage range up to 36 V. The 600 mA output capability suits moderate load applications. Consider the 2.2 MHz switching frequency for noise-sensitive designs where smaller inductors are preferred. Evaluate thermal performance within the SOT-89-5 package for your specific ambient temperature conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the XC9705/XD9707 series of synchronous buck converters from Torex Semiconductor. These ICs are designed for high-efficiency power management in portable and industrial applications. The series emphasizes compact size and high integration, combining control logic and power switches in a single small package to reduce board space and component count.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Torex Semiconductor technical support for direct replacements or cross-reference compatible synchronous buck regulators with similar electrical characteristics and pinout configurations.