R1224N602H-TR-FE

Overview

The R1224N602H-TR-FE is a step-down DC/DC controller from Nisshinbo Micro Devices, designed for high-efficiency power management. It operates with an input voltage range of 2.3V to 18.5V and features a fixed switching frequency of 500kHz. The device supports PWM and VFM modes, offering a maximum duty cycle of 100%. It is housed in a compact SOT-23-5 package, suitable for space-constrained applications requiring reliable voltage regulation.

Feature Summary

• Supports both PWM and VFM control modes for optimized efficiency across varying load conditions
• Enables continuous conduction with a maximum duty cycle of 100%
• Operates within a wide input voltage range up to 18.5V

Applications

• Portable electronic devices requiring efficient step-down conversion
• Battery-powered systems needing stable voltage regulation
• Embedded power management circuits in consumer electronics

Procurement Notes

Verify the specific output voltage configuration against the official datasheet, as suffixes may indicate different fixed output levels. Confirm the SOT-23-5 package type and reel packaging details match your assembly requirements. Ensure compatibility with your target input voltage range of 2.3V to 18.5V before finalizing procurement.

Selection Notes

Select this component when a fixed-output buck controller is needed with a 500kHz switching frequency. It is appropriate for designs prioritizing a balance between efficiency and component count. Consider the SOT-23-5 footprint for size constraints. Verify that the required output voltage matches the specific variant indicated by the model suffix.

Part Context

This part belongs to the R1224N series of switching controllers from Nisshinbo Micro Devices. The series focuses on step-down topologies with integrated control logic. The R1224N602H-TR-FE specifically denotes a variant with defined electrical characteristics, including its input range and switching frequency, distinguishing it from other outputs in the same family.

Replacement Considerations

Direct substitutes within the R1224N series include R1224N602G-TR-FE, which shares similar operational parameters but may differ in output voltage or package specifics. Always cross-reference the full datasheet for pinout and electrical limits before substitution.