LM2574M-3.3/NOPB

$2.64

Description：IC REG BUCK 3.3V 500MA 14SOIC
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tube

SKU:580a07c40690 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

LM2574M-3.3/NOPB is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG BUCK 3.3V 500MA 14SOIC. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2574M-3.3/NOPB

Description：IC REG BUCK 3.3V 500MA 14SOIC
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tube
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：4V
Voltage - Input (Max)：40V
Voltage - Output (Min/Fixed)：3.3V
Voltage - Output (Max)：-
Current - Output：500mA
Frequency - Switching：52kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：14-SOIC (0.295", 7.50mm Width)
Supplier Device Package：14-SOIC
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM2574M-3.3/NOPB

LM2574M-3.3/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2574M-3.3/NOPB is a SIMPLE SWITCHER power module from Texas Instruments, integrating a 0.5A step-down voltage regulator in a SOIC-Wide-14 package. It operates with an input voltage range of 4V to 40V and provides a fixed 3.3V output. The device features a switching frequency of approximately 52kHz to 58kHz and supports operation temperatures from -40°C to +125°C. Designed for high efficiency, it includes internal frequency compensation and a 150mA standby current capability.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrates a 0.5A switch, control circuitry, and frequency compensation into a single monolithic package
Supports buck and inverting topologies for flexible system design
Includes thermal shutdown and current limit protection for robust operation

Voltage Regulators - DC DC Switching Regulators Applications

Point-of-load regulation for distributed power systems
Pre-regulator stages for switching regulators
Battery-powered equipment requiring efficient voltage conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official Texas Instruments documentation to confirm pinout compatibility and electrical tolerances. Ensure the component meets RoHS standards if required by your manufacturing process. Cross-reference datasheet revisions to validate performance parameters before final integration.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3V output is required from an input voltage between 4V and 40V. It is suitable for applications needing up to 500mA load current with minimal external components. Consider the SOIC-Wide-14 package for surface-mount assembly constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2574 family of SIMPLE SWITCHER regulators. It shares functional similarities with other variants like the LM2574M-5.0/NOPB but differs in its fixed output voltage specification. The family is known for reducing design time through integrated passive component requirements.