LM2853MH-1.0

Voltage Regulators - DC DC Switching Regulators Overview

The LM2853MH-1.0 is a synchronous step-down switching voltage regulator from Texas Instruments, designed for high-efficiency power conversion. It operates with an input voltage range of 3V to 5.5V and delivers up to 3A of output current at a fixed 1.0V setting. The device integrates a 550kHz switching frequency, enabling the use of compact passive components. It features an extended operating junction temperature range from -40°C to +125°C and is housed in a 14-pin HTSSOP package with an exposed pad for thermal management.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for enhanced efficiency across load ranges
• Fixed 550kHz switching frequency optimizes external component size
• Built-in soft-start functionality limits inrush current during startup
• Compact HTSSOP-14 package with exposed pad for improved thermal dissipation

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment requiring efficient DC-DC conversion
• Embedded systems with single 1.0V rail requirements
• Industrial control modules operating within extended temperature ranges
• Communication infrastructure power distribution networks

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the ordering suffix matches the required package variant and temperature grade. Confirm that the specific sub-model corresponds to the intended output voltage configuration. Ensure compatibility with the target PCB footprint for the HTSSOP-14-EP package. Cross-reference the datasheet revision to validate pinout assignments and electrical characteristics against the design specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this regulator when a fixed 1.0V output is required with up to 3A load capability. Consider the 550kHz frequency trade-off between component size and electromagnetic interference. Evaluate thermal performance based on the PCB copper area connected to the exposed pad. Ensure the input voltage source remains stable within the 3V to 5.5V operational window.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM2853 family of synchronous buck regulators. The family offers various output voltage options and packaging styles to suit different power density requirements. The MH-1.0 designation specifically indicates the 1.0V fixed output version in the HTSSOP package. This series is engineered for applications demanding high efficiency and compact form factors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2853MH-1.0/NOPB is the direct equivalent part number with lead-free compliance.