LM2831YMF

Voltage Regulators - DC DC Switching Regulators Overview

The LM2831YMF is a high-frequency step-down DC-DC converter manufactured by Texas Instruments. It operates with an input voltage range of 3 V to 5.5 V and provides a single adjustable output voltage from 600 mV to 4.5 V. The device delivers a maximum load current of 1.5 A and utilizes a fixed switching frequency of 550 kHz. It features a low quiescent current of 2.8 mA and supports a shutdown mode for power conservation. The component is housed in a compact SOT-23-5 package and is rated for operation within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous buck topology for efficient voltage conversion
• Fixed internal switching frequency reduces external component count
• Shutdown pin enables low-power standby modes
• Compact surface-mount packaging suitable for space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered electronic devices
• Embedded systems requiring regulated low-voltage rails
• Industrial control modules with limited board space
• Communication equipment power distribution networks

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm pinout compatibility and thermal characteristics. Ensure that the selected variant matches the required operating temperature range and regulatory compliance standards for the target application environment before finalizing procurement decisions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a moderate switching frequency of 550 kHz balances efficiency and size requirements. The SOT-23-5 package is appropriate for applications prioritizing footprint reduction over maximum thermal dissipation capabilities. Confirm that the input voltage source remains stable within the specified 3 V to 5.5 V operational window to ensure reliable regulation performance.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2831 family of high-frequency step-down converters designed for portable electronics. It shares core architectural similarities with other variants in the series, differing primarily in package type and specific thermal ratings. The family targets applications requiring efficient power management from single-cell lithium-ion or nickel-metal hydride battery sources.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM2831YMFX/NOPB