RS53317HR

Voltage Regulators - DC DC Switching Regulators Overview

The RS53317HR is a high-power density, fully integrated synchronous buck converter manufactured by Reed Semiconductor Corp. It supports a wide input voltage range of 2.85 V to 16 V with external bias or 4 V to 16 V with internal bias. The device delivers up to 6 A continuous output current and features an integrated LDO for single-input power conditions. It utilizes RCOTM control for robust constant on-time operation and offers programmable switching frequencies of 600 kHz, 800 kHz, 1,100 kHz, and 2,000 kHz. The unit is housed in a compact 2 mm x 3 mm 14-lead QFN package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a low-dropout regulator (LDO) suitable for single-input power supply configurations
• Employs Robust Constant On-Time (RCOTM) control architecture for stable performance
• Features differential sensing with internal feedback reference for precise voltage regulation
• Includes comprehensive protection mechanisms such as overcurrent, undervoltage, and thermal shutdown

Voltage Regulators - DC DC Switching Regulators Applications

• Telecommunications and data communication systems
• Computing and server infrastructure
• Load point module implementations
• Standard 12 V rail power distribution
• High-end television sets

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix HR against the manufacturer's official documentation to confirm pinout compatibility and electrical characteristics. Ensure the selected packaging option aligns with assembly requirements. Cross-reference the component revision level to guarantee consistency with existing design specifications. Confirm RoHS compliance status through the latest datasheet before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution with high power density is required for point-of-load applications. The integrated LDO simplifies designs requiring multiple voltage rails from a single source. Consider the programmable switching frequency options to optimize efficiency and filter size based on specific electromagnetic interference constraints and transient response needs.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the RS53317 series of small-size Point-of-Load (POL) converters. The series is designed for high-efficiency DC-DC conversion in space-constrained environments. The RS53317HR variant specifically denotes a particular packaging or tape-and-reel configuration within the broader product family offered by Reed Semiconductor Corp.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.