LM2854MH-1000/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2854MH-1000/NOPB is a synchronous buck regulator from Texas Instruments, housed in an HTSSOP-16 package. It operates with an input voltage range of 2.95 V to 5.5 V and delivers up to 4 A output current. The device supports switching frequencies of 500 kHz or 1 MHz, with the specific suffix indicating a 1 MHz configuration. Output voltage is adjustable from 800 mV to 5 V. It functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for high power conversion efficiency
• Integrated soft-start capability for controlled startup ramps
• Supports pre-biased load startup without glitches
• Adjustable switching frequency selection

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronics requiring efficient step-down regulation
• Industrial control systems operating on 3.3V or 5V rails
• Embedded computing platforms needing stable low-voltage power
• Battery-powered devices optimizing energy consumption

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact switching frequency variant required, as the '1000' suffix denotes 1 MHz operation. Confirm package integrity upon receipt, as the HTSSOP-16 form factor requires precise soldering techniques. Ensure compatibility with the target PCB layout regarding thermal dissipation and component spacing. Cross-reference the datasheet for specific pinout configurations to avoid installation errors during assembly processes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact synchronous buck solution is needed for inputs between 2.95 V and 5.5 V. It is suitable for applications demanding up to 4 A continuous current with high efficiency. Consider the 1 MHz switching frequency option if smaller external passive components are preferred over lower frequency alternatives. Evaluate thermal requirements based on the HTSSOP-16 package limitations for the intended load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2854 family of PowerWise SIMPLE SWITCHER regulators. These devices are designed for space-constrained applications requiring high efficiency and low noise. The family typically includes variants with different fixed output voltages and switching frequencies, all sharing the same core synchronous buck topology and control logic within the HTSSOP-16 enclosure.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for LM2854MHX-1000/NOPB which shares identical electrical specifications but differs in reel packaging quantity. Verify that any alternative synchronous buck regulators support the same 2.95 V to 5.5 V input range and provide comparable 4 A output current capability. Ensure pin-to-pin compatibility if direct substitution is required without redesigning the PCB footprint.