LM2830ZMFX

Voltage Regulators - DC DC Switching Regulators Overview

The LM2830ZMFX is a step-down DC-DC switching regulator manufactured by Texas Instruments, originally part of the National Semiconductor portfolio. It operates with an input voltage range of 3 V to 5.5 V and delivers up to 1 A of output current. The device features a fixed 3 MHz switching frequency and supports adjustable output voltages from 600 mV to 4.5 V. It is housed in a compact SOT-23-5 package suitable for surface mount applications. The component functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-frequency buck converter topology for efficient voltage regulation
• Utilizes a compact five-pin surface-mount package to minimize board space
• Supports wide input voltage ranges compatible with single-cell lithium-ion sources

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered electronic devices
• Embedded systems requiring regulated low-voltage power rails
• Industrial control modules operating under varying thermal conditions

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer designation carefully, as the component originates from National Semiconductor but is now managed by Texas Instruments. Confirm the specific suffix indicates the correct tape-and-reel packaging configuration. Ensure compatibility with existing footprint designs before finalizing procurement decisions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this regulator when designing circuits that require a small form factor and high switching frequency to reduce external passive component sizes. It is appropriate for applications powered by 3.3 V or 5 V sources where a stable, lower voltage rail is necessary for logic or sensor operation.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM2830 series of monolithic switching regulators. The series is characterized by its ability to provide high efficiency in a minimal footprint. The ZMF suffix typically denotes the specific package type and environmental rating, distinguishing it from other variants in the same functional family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify electrical pinouts and thermal characteristics against potential alternatives.