LM2852XMXAX-3.3/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2852XMXAX-3.3/NOPB is a synchronous buck regulator from the SIMPLE SWITCHER family, manufactured by Texas Instruments. It provides a fixed 3.3V output with a maximum current capability of 2A. The device supports adjustable switching frequencies of 500kHz and 1500kHz to optimize efficiency and component size. It operates within an input voltage range of 2.85V to 5.5V and features an integrated power MOSFET. The unit is housed in a 14-pin HTSSOP package with an exposed pad for thermal management, suitable for space-constrained designs.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification using internal high-side and low-side N-channel MOSFETs for improved efficiency.
• Adjustable switching frequency selection allows optimization between transient response and passive component size.
• Fixed 3.3V output configuration eliminates external feedback resistor requirements for standard voltage rails.
• Compact 14-pin HTSSOP package with exposed thermal pad facilitates heat dissipation in dense layouts.

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation for embedded processors and microcontrollers
• Battery-powered portable electronics requiring efficient step-down conversion
• Industrial control systems utilizing single-supply architectures

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 voltages exist within the LM2852 series. Confirm the package type corresponds to the intended PCB footprint, as pin configurations may vary across similar regulators.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3V rail is required with up to 2A load current. Consider the 500kHz or 1500kHz frequency options based on available inductor sizes and efficiency targets. Evaluate the input voltage range against the source supply to ensure operation within the specified 2.85V to 5.5V limits without exceeding absolute maximum ratings.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2852 SIMPLE SWITCHER family, designed for high-efficiency DC/DC conversion. It integrates power switches and control logic into a single IC, reducing external component count compared to asynchronous alternatives. The family supports various fixed output voltages and packaging options to accommodate diverse power management needs in compact form factors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2852YMXAX-3.3/NOPB serves as a functional substitute within the same family, offering identical electrical characteristics and pinout compatibility. Verify that any replacement maintains the same output voltage tolerance and switching frequency capabilities to ensure circuit stability.