RP500K311A-TR

Voltage Regulators - DC DC Switching Regulators Overview

The RP500K311A-TR is a synchronous step-down DC/DC converter from the Nisshinbo RP500K series. It integrates high-side and low-side MOSFETs to deliver a fixed 3.1V output at up to 600mA. The device operates with an input voltage range of 2.55V to 5.5V and features a 1.2MHz switching frequency. It supports PWM/VFM modes for efficiency optimization. Packaged in a DFN-1820-6 footprint, it functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification with internal high-side and low-side MOSFETs
• Supports automatic transition between PWM and VFM control modes
• Provides fixed output voltage options via internal resistor network

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered electronic devices
• Embedded systems requiring efficient buck conversion
• IoT modules and sensor nodes

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official datasheets to confirm output voltage and package type. Confirm RoHS compliance status through manufacturer documentation. Ensure ordering quantities align with reel specifications. Validate thermal performance requirements for the target application environment before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.1V output is required from a 2.55V to 5.5V supply. The 600mA current rating suits moderate load applications. The DFN-1820-6 package offers compact board space utilization. Consider the 1.2MHz frequency for balancing component size and efficiency.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the RP500K series of synchronous buck converters. It shares architectural similarities with other RP500K variants but differs in fixed output voltage settings. The series targets portable electronics needing high efficiency and small form factors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct substitutes within the RP500K family offering different fixed voltages. Verify pin compatibility if replacing with other Nisshinbo buck regulators. Cross-reference electrical parameters with alternative manufacturers' synchronous buck ICs.