LM2574-5.0BN

Description：IC REG BUCK 5V 500MA 8PDIP
Series：-
Mfr：Microchip Technology
Package：Bulk

SKU:34a2c7321928 Category: Voltage Regulators - DC DC Switching Regulators Brand: Microchip Technology

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Product introduction

LM2574-5.0BN is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is IC REG BUCK 5V 500MA 8PDIP. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2574-5.0BN

Description：IC REG BUCK 5V 500MA 8PDIP
Series：-
Mfr：Microchip Technology
Package：Bulk
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：-
Voltage - Input (Max)：40V
Voltage - Output (Min/Fixed)：5V
Voltage - Output (Max)：-
Current - Output：500mA
Frequency - Switching：52kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Through Hole
Package / Case：8-DIP (0.300", 7.62mm)
Supplier Device Package：8-PDIP
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM2574-5.0BN

LM2574-5.0BN

Voltage Regulators - DC DC Switching Regulators Overview

The LM2574-5.0BN is a monolithic integrated circuit step-down switching regulator manufactured by Microchip Technology. It provides a fixed 5.0 V output capable of driving a 500 mA load with excellent line and load regulation. The device operates from an input voltage range of 4 V to 40 V using a 52 kHz internal oscillator. Packaged in an 8-pin PDIP, it requires minimal external components for buck converter design.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Fixed 5.0 V output voltage configuration
Integrated 52 kHz fixed frequency oscillator
Built-in thermal shutdown and current limit protection

Voltage Regulators - DC DC Switching Regulators Applications

Simple high-efficiency step-down (buck) regulators
Efficient pre-regulator for linear regulators
On-card switching regulators

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer designation carefully, as the LM2574 series is widely produced by Texas Instruments and onsemi. Confirm that the specific Microchip Technology variant matches the required 8-pin PDIP package and fixed 5.0 V output specification before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5.0 V output is required without external feedback resistors. Ensure the application supports through-hole mounting due to the PDIP package. Verify that the 500 mA output current meets the load requirements and that the 40 V maximum input voltage is sufficient for the supply rail.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2574 family of simple switchers designed for easy power supply implementation. While often associated with National Semiconductor or TI, Microchip Technology also produces variants within this lineage. The 'BN' suffix typically denotes the 8-pin PDIP package and fixed 5.0 V output version.