LM2853MH-3.0/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2853MH-3.0/NOPB is a fixed-output step-down DC-DC converter manufactured by Texas Instruments, designed for high-efficiency power management in compact applications. This device integrates a 3A switch and operates with an input voltage range of 3V to 5.5V, delivering a precise fixed output of 3.0V. It utilizes a TSSOP-14 package to facilitate surface-mount assembly while maintaining robust thermal performance. The component supports a switching frequency up to 0.55MHz, enabling the use of small external passive components. It features comprehensive protection mechanisms including overcurrent limiting and thermal shutdown, ensuring reliable operation across industrial temperature ranges from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-current 3A power switch for efficient step-down conversion
• Provides a fixed 3.0V output for stable power supply requirements
• Supports wide input voltage range suitable for single-cell lithium battery systems
• Includes built-in thermal shutdown and current limit protection

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics powered by single-cell lithium batteries
• Embedded systems requiring regulated 3.0V logic supplies
• Industrial control modules operating within extended temperature ranges
• Battery-powered sensor nodes and IoT devices

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact part number suffix against official Texas Instruments documentation to confirm the fixed 3.0V output specification. Ensure the TSSOP-14 package variant matches your PCB footprint requirements. Cross-reference RoHS compliance status with the latest manufacturer datasheet before finalizing procurement decisions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.0V output is required from a 3V to 5.5V input source with up to 3A load capability. Consider the TSSOP-14 package constraints and thermal dissipation needs for your specific enclosure design. Evaluate the 0.55MHz switching frequency against EMI sensitivity and inductor size trade-offs compared to lower-frequency alternatives.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2853 family of synchronous buck converters from Texas Instruments. It is engineered for applications demanding high efficiency and compact solution size. The family typically includes variants with different fixed output voltages, sharing common internal architecture and protection features while differing only in the feedback resistor network configuration.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other LM2853 variants with different fixed output voltages if the voltage requirement changes. Verify pin-to-pin compatibility and thermal characteristics when considering alternative manufacturers' synchronous buck converters with similar 3A current ratings and TSSOP-14 packaging.