LM2852YMXAX-3.3/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2852YMXAX-3.3/NOPB is a synchronous step-down DC/DC converter from Texas Instruments, part of the SIMPLE SWITCHER family. It delivers a fixed 3.3V output with a maximum current capability of 2A. The device operates with selectable switching frequencies of 500kHz or 1500kHz and accepts an input voltage range of 2.85V to 5.5V. Packaged in a 14-pin HTSSOP with an exposed pad, it supports junction temperatures from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side N-channel power MOSFETs for efficient synchronous rectification.
• Features adjustable switching frequency selection via an external resistor to optimize efficiency and component size.
• Includes comprehensive protection mechanisms such as cycle-by-cycle current limiting, thermal shutdown, and soft-start.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded processors and microcontrollers
• Battery-powered portable electronic devices requiring efficient step-down conversion
• Industrial control systems and instrumentation power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including the suffix /NOPB to confirm lead-free compliance and RoHS status. Ensure the specific output voltage variant matches the design requirement, as other fixed voltage options exist within the same package. Confirm the switching frequency configuration aligns with the external inductor and capacitor selection used in the target application circuit.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution with integrated power switches is required for 2A loads. The choice between 500kHz and 1500kHz depends on the trade-off between passive component size and electromagnetic interference. Verify that the input voltage remains within the specified 2.85V to 5.5V range during all operating conditions to ensure stable regulation.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2852 series of synchronous buck regulators designed for space-constrained applications. It replaces older discrete solutions by integrating the controller and power stage into a single IC. The SIMPLE SWITCHER architecture simplifies design by providing recommended component values and evaluation boards for rapid prototyping.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2852YMXA-3.3/NOPB serves as a direct equivalent with identical electrical specifications and pinout compatibility. Other variants in the LM2852 family may offer different fixed output voltages but share the same functional interface and packaging constraints.