LM2852YMXAX-1.2

Voltage Regulators - DC DC Switching Regulators Overview

The LM2852YMXAX-1.2 is a synchronous step-down DC/DC converter from Texas Instruments' SIMPLE SWITCHER family, housed in a 14-PowerTSSOP package. It provides a fixed 1.2V output with a maximum current of 2A. The device operates within an input voltage range of 2.85V to 5.5V and supports switching frequencies of 500kHz or 1.5MHz. It features integrated power MOSFETs for high efficiency and includes comprehensive protection mechanisms such as overcurrent protection and thermal shutdown. The component is rated for junction temperatures between -40°C and 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification using internal N-channel power MOSFETs
• Fixed 1.2V output voltage configuration
• Supports selectable switching frequencies of 500kHz and 1.5MHz
• Includes overcurrent protection and thermal shutdown capabilities

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronics requiring efficient step-down conversion
• Industrial control systems operating within specified voltage limits
• Embedded systems utilizing the SIMPLE SWITCHER topology

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'AX-1.2' against the manufacturer's official datasheet to confirm the fixed 1.2V output and package type. Confirm that the 'NOPB' variant is acceptable if lead time or availability is a constraint, as it represents the non-pb-free equivalent. Ensure the selected frequency setting matches the design requirements for 500kHz or 1.5MHz operation.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 1.2V output at 2A is required from a 2.85V to 5.5V input source. Consider the 14-PowerTSSOP package for space-constrained PCB layouts. Evaluate the need for external compensation components based on the chosen switching frequency. Verify that the load transient response meets system specifications given the synchronous buck architecture.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2852 series of synchronous buck regulators. It shares architectural similarities with other devices in the SIMPLE SWITCHER family but is distinguished by its fixed 1.2V output option. The series is designed for applications requiring high efficiency and compact solution size without the complexity of adjustable feedback networks.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM2852YMXAX-1.2/NOPB is a confirmed substitute offering identical functionality. Verify pin compatibility and thermal performance when transitioning between these variants.