LM2830ZMFX

Voltage Regulators - DC DC Switching Regulators Overview

The LM2830ZMFX is a step-down switching regulator manufactured by Texas Instruments, designed for high-frequency operation at 3 MHz. It features a compact SOT-23-5 surface-mount package and supports an input voltage range from 3 V to 5.5 V. The device delivers a maximum output current of 1 A with adjustable output voltages ranging from 600 mV to 4.5 V. It operates within a temperature range of -40°C to +125°C and utilizes a buck topology for efficient power conversion.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a 3 MHz fixed-frequency oscillator to minimize external component size
• Provides adjustable output voltage control via external feedback resistors
• Features built-in protection mechanisms including thermal shutdown and current limiting

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment requiring efficient DC-DC conversion
• Embedded systems utilizing low-voltage logic or analog circuits
• General-purpose step-down power supplies in space-constrained designs

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'ZMF' against official documentation to confirm RoHS compliance status, as historical records indicate potential non-compliance for this variant. Confirm availability through authorized channels due to discontinuation risks associated with older manufacturing runs. Ensure the supplier provides valid traceability documents matching the Texas Instruments part number.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a small footprint is critical and input voltages remain between 3 V and 5.5 V. The 3 MHz switching frequency allows for smaller inductors and capacitors compared to lower-frequency alternatives. Ensure the load current does not exceed 1 A and that the required output voltage falls within the 600 mV to 4.5 V range for optimal performance.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2830 series of synchronous buck converters. It is distinct from the LM2831, which offers higher current capability. The ZMFX designation indicates a specific tape-and-reel packaging configuration within the SOT-23-5 family, intended for automated surface-mount assembly processes.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data.