LA5759-MDB-E

Voltage Regulators - DC DC Switching Regulators Overview

The LA5759-MDB-E is a buck switching regulator IC manufactured by onsemi. It features a positive adjustable output voltage starting at 1.26V with a single output channel capable of delivering up to 5.4A switch current. The device operates within an input voltage range of 4.5V to 28V and utilizes a TO-220-5 package with formed leads. Key electrical specifications include a load regulation of 30mV, a switching frequency of 160kHz, and an operating temperature range from -30°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Buck topology for step-down voltage conversion
• Positive adjustable output voltage capability
• High current switching output performance
• Wide input voltage operational range

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial power supply systems
• Embedded DC-DC conversion circuits
• General purpose voltage regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific ordering suffix MDB-E against the manufacturer's official datasheet to confirm pinout compatibility and lead forming requirements. Ensure that the thermal management design accommodates the TO-220-5 package characteristics under maximum load conditions. Confirm availability status as distribution channels may vary regarding stock levels for this specific component variant.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust buck converter with high current capacity is required for industrial or embedded applications. The wide input voltage range supports various power sources, while the adjustable output allows for precise voltage targeting. Consider the thermal performance of the through-hole package for integration into systems requiring significant heat dissipation capabilities.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to onsemi's portfolio of switching voltage regulators designed for power management integrated circuits (PMIC). It serves as a solution for efficient DC-DC conversion in environments demanding reliability and stable operation across varying temperature extremes.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official cross-reference lists for direct substitutes. Verify that any alternative component matches the 5.4A current rating, 28V maximum input limit, and TO-220-5 physical footprint to ensure mechanical and electrical compatibility.