LM2852YMXAX-1.8

Voltage Regulators - DC DC Switching Regulators Overview

The LM2852YMXAX-1.8 is a synchronous step-down DC-DC converter from the SIMPLE SWITCHER family, manufactured by Texas Instruments following the acquisition of National Semiconductor. It delivers a fixed 1.8V output with a maximum continuous current of 2A. The device supports dual switching frequencies of 500kHz and 1.5MHz to optimize inductor size and transient response. It operates within an input voltage range of 2.85V to 5.5V and features an integrated power MOSFET pair. The component is housed in a 14-pin HTSSOP package with an exposed pad for thermal management, rated for operation between -40°C and 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification eliminates external diodes for improved efficiency.
• Dual selectable switching frequencies allow optimization for size or performance.
• Fixed internal feedback network simplifies design for specific output voltages.

Voltage Regulators - DC DC Switching Regulators Applications

• Power supply stages for microprocessors and DSPs
• Battery-powered portable electronic devices
• Industrial control system logic supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer origin, as National Semiconductor assets are managed by Texas Instruments. Confirm the suffix 'AX' indicates tape-and-reel packaging if required for automated assembly. Ensure the specific voltage variant matches the target application requirements, as other outputs exist within the same package.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this part when a fixed 1.8V rail is required with up to 2A load capability. Choose the 1.5MHz frequency option if minimizing passive component footprint is critical. Verify that the input voltage remains above 2.85V to ensure proper regulation and stability under all operating conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This regulator belongs to the SIMPLE SWITCHER product line, designed for ease of use with minimal external components. The LM2852 series provides a compact solution for converting higher battery or bus voltages down to lower logic levels efficiently.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2852YMXAX-1.8/NOPB

Voltage Regulators - DC DC Switching Regulators FAQ

What is the minimum input voltage for the LM2852YMXAX-1.8?

The device requires a minimum input voltage of 2.85V to maintain regulation.

Does the LM2852YMXAX-1.8 include protection features?

Yes, it includes cycle-by-cycle current limiting and thermal shutdown protection.