RS53317LR

Voltage Regulators - DC DC Switching Regulators Overview

The RS53317LR 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 suitable for single-input power conditions. Output voltage ranges from 0.6 V to 6.0 V with ±1% tolerance across temperature. It utilizes RCOTM control for fast transient response and includes programmable switching frequencies of 600 kHz, 800 kHz, 1.1 MHz, and 2 MHz. Protection features include OCP, NOCP, UVP, UVLO, OTP, and OVP.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Robust constant on-time (RCOTM) control architecture providing fast transient response
• Integrated low-dropout regulator (LDO) enabling operation under single-input power conditions
• Differential sensing scheme combined with internal feedback reference for precise line and load regulation
• Comprehensive protection suite including overcurrent, undervoltage, overtemperature, and overvoltage safeguards

Voltage Regulators - DC DC Switching Regulators Applications

• Telecommunications and data communication systems
• Computing and server infrastructure
• Load point modules
• Standard 12 V rail power distribution
• High-end televisions and gaming consoles

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific ordering suffix 'LR' against the manufacturer's official datasheet to confirm pinout compatibility and package specifications. Ensure that the selected variant matches the required thermal performance and electrical characteristics for the target application environment. Cross-reference the component marking with the official Reed Semiconductor Corp. documentation to prevent substitution errors during assembly.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution with high power density is required for POL applications. Consider the integrated LDO feature if the design benefits from simplified single-input power architectures. Evaluate the programmable switching frequency options to optimize efficiency and filter size based on the specific electromagnetic interference constraints of the system.

Voltage Regulators - DC DC Switching Regulators Part Context

The RS53317 series represents Reed Semiconductor Corp.'s approach to small-size point-of-load conversion. This family integrates synchronous rectification and control logic into a minimal footprint. The LR suffix typically denotes a specific tape and reel packaging configuration or a particular thermal grade within the broader RS53317 product line designed for high-volume manufacturing.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.