LM2852XMXAX-1.8

Voltage Regulators - DC DC Switching Regulators Overview

The LM2852XMXAX-1.8 is a synchronous step-down DC-DC converter from Texas Instruments, designed for high-efficiency power management in space-constrained applications. It operates with an input voltage range of 2.85 V to 5.5 V and delivers a maximum output current of 2 A. The device integrates factory-programmed EEPROM to set the output voltage at 1.8 V, eliminating the need for external feedback resistors. It supports switching frequencies of 500 kHz and 1.5 MHz, allowing for optimization between component size and transient response. The regulator features a typical quiescent current of 0.85 mA and operates within an extended temperature range of -40°C to 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated factory-set output voltage via internal EEPROM eliminates external resistor networks
• Synchronous buck architecture ensures high efficiency across wide load ranges
• Dual selectable switching frequencies optimize design trade-offs between size and performance

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring compact power solutions
• Industrial control systems operating in harsh environments
• Embedded processor power supplies needing precise voltage regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'XMXAX' indicates the pre-programmed 1.8 V output variant. Confirm package type HTSSOP (PWP) matches board layout requirements. Ensure ordering codes include '/NOPB' for lead-free compliance if required by assembly specifications. Cross-reference datasheet revision dates to confirm parameter consistency.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model when fixed output voltage simplification is prioritized over adjustable flexibility. Consider the 2 A current limit for load demands and verify thermal dissipation capabilities in the HTSSOP package. Evaluate the 500 kHz or 1.5 MHz frequency options against inductor size constraints and EMI requirements for the target application.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the Simple Switcher family of synchronous buck regulators. It shares architectural similarities with other LM2852 variants but differs in its fixed output configuration. The XMXAX suffix denotes the specific EEPROM programming for 1.8 V operation, distinguishing it from adjustable or other fixed voltage versions within the same product line.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2852XMXAX-3.3/NOPB offers identical functionality with a different fixed output voltage. LM2852XMXA-1.8/NOPB may serve as a direct substitute if pinout and electrical characteristics match exactly. Verify compatibility before substitution to ensure output voltage alignment.