LM2853MH-1.8/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2853MH-1.8/NOPB is a synchronous buck regulator from Texas Instruments, designed for high-efficiency power conversion in compact systems. It operates with an input voltage range of 3 V to 5.5 V and delivers a maximum load current of 3 A. The device integrates a fixed switching frequency of 550 kHz and utilizes factory-programmed EEPROM to set the output voltage at 1.8 V. Key electrical parameters include a quiescent current of 850 uA and operation within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification for enhanced efficiency across load ranges
• Utilizes factory-set EEPROM for precise output voltage configuration
• Features fixed 550 kHz switching frequency to minimize external component size

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring efficient step-down regulation
• Industrial control systems with 3V to 5.5V input rails
• Embedded computing modules needing stable 1.8V core power

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'MH' corresponds to the required package type and thermal performance for your PCB layout. Confirm that the factory-set 1.8V output meets your system requirements, as this parameter cannot be adjusted post-manufacture. Ensure compatibility with the specified operating temperature range for your intended environment.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 1.8V output is required from a 3V to 5.5V source with up to 3A load capability. It is suitable for designs prioritizing high efficiency and minimal external passive components due to the integrated synchronous switches and fixed frequency operation. Consider thermal management requirements given the 3A current capacity.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2853 family of synchronous buck regulators. It shares architectural similarities with other members but is distinguished by its factory-programmed 1.8V output setting. The family is characterized by high efficiency and compact solution sizes, targeting applications where space and power consumption are critical constraints.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for LM2853 variants with different factory-set voltages if the 1.8V output is not suitable. Verify pin-to-pin compatibility with alternative regulators offering adjustable outputs if flexibility is needed.