K7803-500R2

$4.29

Description：IC REG BUCK 3.3V 400MA/500MA DL
Series：K78xx-500R2
Mfr：Mornsun America, LLC
Package：Tube

SKU:bbc66fd31a17 Category: Voltage Regulators - DC DC Switching Regulators Brand: Mornsun America, LLC

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Product introduction

K7803-500R2 is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Mornsun America, LLC. Its product description is IC REG BUCK 3.3V 400MA/500MA DL. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for K7803-500R2

Description：IC REG BUCK 3.3V 400MA/500MA DL
Series：K78xx-500R2
Mfr：Mornsun America, LLC
Package：Tube
Function：Step-Down
Output Configuration：Positive and Negative
Topology：Buck
Output Type：Fixed
Number of Outputs：2
Voltage - Input (Min)：12V, 24V
Voltage - Input (Max)：25V, 28V
Voltage - Output (Min/Fixed)：±3.3V
Voltage - Output (Max)：-
Current - Output：400mA, 500mA
Frequency - Switching：330kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 85°C
Mounting Type：Through Hole
Package / Case：3-SIP Module
Supplier Device Package：-
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for K7803-500R2

K7803-500R2

Voltage Regulators - DC DC Switching Regulators Overview

The K7803-500R2 is a non-isolated DC/DC switching regulator manufactured by Mornsun America, LLC. It functions as a linear regulator replacement with an output voltage of 3.3V and a maximum output current of 500mA. The device operates within an input voltage range of 4.75V to 36V. It features a synchronous rectifier architecture and a switching frequency of 330kHz. The component supports an operating temperature range from -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Pin-out compatible with LM78XX linears for direct replacement
Synchronous rectifier design for improved efficiency
No heat sink required under standard conditions

Voltage Regulators - DC DC Switching Regulators Applications

ITE (Information Technology Equipment)
Commercial applications requiring linear regulator replacement
Board-mounted DC-DC conversion systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix R2 against datasheet documentation to confirm pin compatibility and electrical characteristics. Ensure the application environment remains within the specified -40°C to +85°C operating temperature range. Confirm that the input voltage stays between 4.75V and 36V to maintain stable operation.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a drop-in replacement for LM78XX series linear regulators is required in space-constrained designs. The synchronous rectifier technology offers higher efficiency compared to traditional linear solutions. Verify thermal requirements, although heat sinks are typically not needed, to ensure reliable performance across the full industrial temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the K7803 series of non-isolated DC/DC converters designed to replace linear regulators. The series provides fixed output voltages with high efficiency. The R2 suffix indicates specific packaging or revision details within the Mornsun product line, distinct from other variants like the R3 series.