LM2831ZSDX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM2831ZSDX/NOPB is a high-frequency step-down DC-DC switching regulator manufactured by Texas Instruments. It operates with an input voltage range of 3 V to 5.5 V and provides an adjustable output voltage from 600 mV to 4.5 V. The device supports a maximum load current of 1.5 A and utilizes a fixed switching frequency of 3 MHz. It features a WSON-6 package with a bare pad for thermal dissipation. The component functions within a junction temperature range of -40°C to +125°C and includes a shutdown feature for power management.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a synchronous buck converter topology for efficient voltage conversion
• Supports external adjustment of output voltage via feedback resistor network
• Includes integrated shutdown control pin for system power management

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered electronic devices requiring efficient voltage regulation
• Embedded systems utilizing single-cell lithium-ion or lithium-polymer batteries
• Industrial control modules operating within standard low-voltage ranges

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix designation when ordering, as the ZSDX variant indicates tape and reel packaging which differs from cut-tape or tube options. Confirm RoHS compliance status through official manufacturer documentation prior to integration, as environmental declarations may vary by production batch. Ensure that the supplier source provides valid traceability records for quality assurance purposes in regulated manufacturing environments.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits that require high efficiency from a single-cell battery source. The 3 MHz switching frequency allows for the use of smaller passive components compared to lower-frequency alternatives. Consider the thermal performance of the WSON-6 package and ensure adequate PCB copper area is allocated for heat dissipation under full load conditions to maintain reliability across the specified temperature range.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2831 family of high-frequency step-down converters designed for space-constrained applications. It serves as a direct replacement for the discontinued LM2831ZSDX, offering updated manufacturing processes while maintaining identical electrical specifications. The series is characterized by its ability to deliver significant current from low input voltages efficiently.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM2831ZSD/NOPB is documented as a parameter-equivalent substitute for the LM2831ZSDX/NOPB.