RP402N501E-TR-FE

Voltage Regulators - DC DC Switching Regulators Overview

The RP402N501E-TR-FE is a synchronous step-up DC/DC converter manufactured by Nisshinbo Micro Devices. It operates with an input voltage range of 600 mV to 5.5 V and provides a fixed output voltage of 5 V at up to 100 mA. The device features a switching frequency of 1.2 MHz and includes internal synchronous rectification for improved efficiency. It functions within a temperature range of -40°C to +85°C and is housed in a compact SOT-23-5 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification to enhance conversion efficiency under load conditions.
• Supports ultra-low input voltages starting from 600 mV for extended battery operation.
• Utilizes a small SOT-23-5 surface-mount package for space-constrained designs.

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronic devices
• Low-voltage sensor power supplies
• Wearable technology circuits

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'E' against the official datasheet to confirm the exact output voltage and current ratings, as variations exist within the series. Ensure the ordering code matches the required tape and reel packaging specifications. Cross-reference the manufacturer's latest documentation to validate RoHS compliance status and environmental certifications prior to final procurement decisions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5 V output is required from low-voltage sources such as single-cell lithium batteries or supercapacitors. The synchronous design offers better efficiency than non-synchronous alternatives at moderate loads. Consider the 1.2 MHz switching frequency for balancing EMI performance and external component size requirements in the target application circuit.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the RP402N series of boost converters from Nisshinbo Micro Devices. The series is designed for applications requiring efficient power management from low-input voltage sources. The RP402N variant specifically incorporates synchronous rectification, distinguishing it from earlier asynchronous models in the broader product family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

RP401N501C-TR-FE (Asynchronous alternative)

Voltage Regulators - DC DC Switching Regulators FAQ

Does the RP402N501E-TR-FE include a shutdown pin?

Official documentation for the RP402N series indicates that shutdown functionality varies by specific sub-model suffix; verify the pinout diagram in the specific datasheet for this part number.

What is the maximum input voltage for this converter?

The maximum input voltage rating for the RP402N series is 5.5 V.