LM2574-12BWM

Voltage Regulators - DC DC Switching Regulators Overview

The LM2574-12BWM is a buck switching regulator IC manufactured by Micrel Inc. It provides a single positive fixed output voltage of 12V with an output current capacity of up to 500mA. The device operates within an input voltage range of 8V to 40V and utilizes a 14-SOIC package measuring 0.295 inches (7.50mm) in width. Designed as part of the SIMPLE SWITCHER family, it integrates all necessary active circuitry for step-down voltage regulation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates all active circuitry required for complete step-down voltage regulation functionality
• Utilizes SIMPLE SWITCHER architecture requiring minimal external components for operation
• Provides a stable positive fixed output voltage suitable for standard power supply applications

Voltage Regulators - DC DC Switching Regulators Applications

• General-purpose DC-DC step-down conversion circuits
• Embedded system power supply modules
• Industrial control equipment power regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the component matches the specific Micrel Inc. manufacturer designation and the 14-SOIC surface-mount package configuration. Confirm the fixed 12V output specification aligns with design requirements. Ensure compatibility with the intended operating temperature range and input voltage parameters before integration into final assemblies.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 12V output is required from an 8V to 40V input source. It is appropriate for designs needing a compact 14-SOIC footprint and a maximum load current of 500mA. Consider the simplicity of the external component count and the integrated protection features inherent to the SIMPLE SWITCHER topology.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2574 family of switching regulators, which are characterized by their ease of use and fixed-frequency operation. The family includes various output voltage options and adjustable versions, serving as a versatile solution for efficient power management in space-constrained electronic systems requiring reliable step-down conversion.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Cross-reference with other manufacturers offering equivalent 12V fixed-output buck converters in SOIC packages. Verify pinout compatibility and thermal performance characteristics to ensure seamless substitution without redesigning the surrounding passive components or PCB layout.