LM2853MH-0.8/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2853MH-0.8/NOPB is a synchronous step-down DC-DC converter from Texas Instruments, operating within an input voltage range of 3 V to 5.5 V. It provides a fixed output voltage of 0.8 V with a maximum load current capability of 3 A. The device integrates a high-side and low-side N-channel MOSFETs for efficient power conversion. It operates at a switching frequency of 550 kHz and features factory-programmed output voltages stored in EEPROM. The component is housed in a 14-pin HTSSOP package with an exposed pad for thermal management.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous buck topology with integrated high-side and low-side MOSFETs
• Factory-set output voltage via internal EEPROM configuration
• Fixed 550 kHz switching frequency for compact external component sizing
• Wide input voltage range supporting standard 3.3 V and 5 V systems

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment requiring efficient voltage regulation
• Embedded systems utilizing 3.3 V or 5 V logic supplies
• Industrial control modules needing stable low-voltage rails
• Communication infrastructure powering digital signal processors

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'MH' indicates the HTSSOP-14 package variant when sourcing. Confirm the '-0.8' designation matches the required 0.8 V output specification. Ensure compatibility with RoHS directives if environmental compliance is mandatory for the assembly process. Cross-reference the datasheet revision date to ensure alignment with latest thermal and electrical characteristics.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 0.8 V output is required without external feedback resistors. It is suitable for designs prioritizing board space reduction due to the integrated MOSFETs and fixed frequency operation. Consider the 3 A current limit against peak load demands. Evaluate thermal performance requirements given the HTSSOP package constraints under full load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the SIMPLE SWITCHER family of regulators, designed for ease of use and high efficiency. The LM2853 series offers various factory-set output options, eliminating the need for precision resistor networks. The NOPB suffix denotes lead-free and halogen-free construction, aligning with global environmental standards for electronic components.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other LM2853 variants with different fixed output voltages (e.g., LM2853MH-1.8/NOPB) if the voltage requirement changes. For adjustable output versions, consider the LM2853MH/NOPB. Verify pinout compatibility before replacing with non-Texas Instruments equivalents.