RP400N251A-TR-FE

$0.54

Description：IC REG BOOST 2.5V 600MA SOT23-5
Series：RP400xxx1A
Mfr：Nisshinbo Micro Devices Inc.
Package：Tape & Reel (TR)

SKU:7e7508adeea5 Category: Voltage Regulators - DC DC Switching Regulators Brand: Nisshinbo Micro Devices Inc.

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Product introduction

RP400N251A-TR-FE is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Nisshinbo Micro Devices Inc.. Its product description is IC REG BOOST 2.5V 600MA SOT23-5. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for RP400N251A-TR-FE

Description：IC REG BOOST 2.5V 600MA SOT23-5
Series：RP400xxx1A
Mfr：Nisshinbo Micro Devices Inc.
Package：Tape & Reel (TR)
Function：Step-Up
Output Configuration：Positive
Topology：Boost
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：0.8V
Voltage - Input (Max)：5.5V
Voltage - Output (Min/Fixed)：2.5V
Voltage - Output (Max)：-
Current - Output：600mA
Frequency - Switching：700kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：SC-74A, SOT-753
Supplier Device Package：SOT-23-5
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for RP400N251A-TR-FE

RP400N251A-TR-FE

Voltage Regulators - DC DC Switching Regulators Overview

The RP400N251A-TR-FE is a current mode PWM/VFM step-up DC/DC converter manufactured by Nisshinbo Micro Devices. It operates with an input voltage range of 0.7V to 5.5V and provides a fixed output voltage of 2.5V at a maximum output current of 600mA. The device utilizes a SOT-23-5 package and is designed for high efficiency under light load conditions, making it suitable for intermittent operation applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Supports current mode PWM and VFM control modes for optimized efficiency across varying load conditions.
Features a wide input voltage range starting from 0.7V, enabling operation with single-cell lithium batteries or low-voltage sources.
Delivers a fixed 2.5V output with up to 600mA current capability in a compact surface-mount package.

Voltage Regulators - DC DC Switching Regulators Applications

Intermittent operation applications requiring high efficiency under light loads
Portable electronic devices powered by single-cell lithium batteries
Industrial equipment utilizing Ethernet switch power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix TR-FE against official datasheets to confirm packaging and tape-and-reel specifications. Ensure compatibility with the required 0.7V to 5.5V input range and 2.5V fixed output. Confirm that the SOT-23-5 package fits the PCB layout constraints. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.5V boost regulator is needed with a minimum input voltage of 0.7V. It is appropriate for designs requiring 600mA output current in a small footprint. Consider the PWM/VFM hybrid control for improved efficiency during light-load periods compared to standard PWM-only regulators.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the RP400N series of switching voltage regulators from Nisshinbo Micro Devices. The series is characterized by its ability to maintain high efficiency under light load conditions, which is critical for battery-powered portable electronics. The RP400N251A variant specifically fixes the output voltage at 2.5V.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout and electrical parameters before considering any alternative boost converters from other manufacturers.

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.