LM2831ZSD

Voltage Regulators - DC DC Switching Regulators Overview

The LM2831ZSD is a high-frequency step-down DC-DC converter from Texas Instruments, operating within a 3 V to 5.5 V input voltage range. It delivers an adjustable output voltage between 600 mV and 4.5 V with a maximum load current of 1.5 A. The device utilizes a fixed 3 MHz switching frequency to minimize external component size. It features a WSON-6 package for compact surface-mount installation. The operational temperature range spans from -40°C to +125°C, supporting industrial applications. Quiescent current is specified at 2.8 mA.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated buck topology for efficient voltage conversion
• High switching frequency enables reduced passive component footprint
• Adjustable output voltage via external resistor network
• Shutdown pin functionality for power management

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment
• Embedded systems requiring regulated low-voltage rails
• Industrial control modules
• Communication infrastructure power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official documentation to confirm RoHS compliance and lead-free status. Confirm package type matches design requirements. Check for obsolescence notices or lifecycle changes. Ensure ESD handling protocols are followed during assembly. Validate thermal performance under maximum load conditions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Choose this component when a compact solution is required for 3.3 V or 5 V input systems. The 3 MHz frequency allows for smaller inductors and capacitors compared to lower-frequency alternatives. Ensure the application does not exceed the 1.5 A continuous current limit. Verify that the output voltage setting falls within the 600 mV to 4.5 V range.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2831 family of synchronous buck converters. It shares core architecture with variants like LM2831YSD/NOPB but differs in switching frequency specifications. The Z-suffix typically denotes a specific frequency option within the series. Compare with LM2833 series for higher current requirements.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2831ZSD/NOPB is listed as a parameter-equivalent replacement for the discontinued LM2831ZSDX. Verify pin compatibility and electrical parameters before substitution.