NR117K

Voltage Regulators - DC DC Switching Regulators Overview

The NR117K is a buck switching regulator IC manufactured by Sanken Electric USA Inc. It provides a positive adjustable output voltage ranging from 0.8V to 24V with a maximum output current of 2A. The device operates with an input voltage range of 6.5V to 31V and features a fixed switching frequency of 350kHz. It utilizes a synchronous rectifier topology and is housed in an 8-SOIC package with an exposed pad, suitable for surface mount installation across a temperature range of -40°C to 85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates power MOSFETs within the IC package
• Utilizes current mode control architecture
• Supports ultra-low ESR ceramic capacitors
• Features synchronous rectification

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation modules
• Battery-powered equipment power supplies
• Industrial control system power distribution
• Telecommunications infrastructure power stages

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific ordering suffix (e.g., TR, CT) to confirm packaging type before purchase. Confirm RoHS compliance status and moisture sensitivity level requirements against project specifications. Ensure the supplier source is authorized to guarantee component authenticity and traceability. Check for any specific handling instructions related to the exposed pad thermal design during assembly.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution with integrated power switches is required. The 2A output capability suits moderate load applications. Verify that the input voltage range covers the system's operational extremes. Consider the thermal performance of the 8-SOIC-EP package for heat dissipation needs. Ensure compatibility with low-ESR output capacitors for stability.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the NR11E series of step-down regulators from Sanken Electric. These ICs are designed for high efficiency and small footprint applications. The series typically integrates protection features such as overcurrent and thermal shutdown. They are commonly used in consumer electronics and industrial devices requiring reliable DC-DC conversion.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

NR111E: Offers higher current capacity (4A) but shares similar pinout and functionality. Verify thermal management requirements if upgrading current. NR110E: Alternative variant within the same family; check specific electrical parameter differences and application notes for compatibility.