LA5779MP-E

Voltage Regulators - DC DC Switching Regulators Overview

The LA5779MP-E is a step-down switching voltage regulator manufactured by onsemi, belonging to the LA5779MP series. It operates as a simple DC-DC converter with a Buck topology, designed for surface-mount installation in an SMP-5 package. The device accepts an input voltage range from 4.5 V to 28 V and provides a fixed output of 3.3 V at up to 1.5 A. It features a switching frequency of 160 kHz and supports operation across a temperature range of -30°C to +125°C. Load regulation is specified at 30 mV.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a Buck converter topology for efficient step-down voltage conversion
• Supports wide input voltage ranges up to 28 V for flexible power supply designs
• Provides fixed 3.3 V output capability suitable for standard logic levels

Voltage Regulators - DC DC Switching Regulators Applications

• Simple DC-DC conversion circuits requiring fixed voltage outputs
• Power management modules within automotive or industrial systems
• Embedded applications utilizing surface-mount technology constraints

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS compliance details via official documentation. Check for specific packaging variations such as reel or cut tape options if available through secondary suppliers. Ensure compatibility with existing design specifications before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3 V output is required from inputs between 4.5 V and 28 V. Consider the 1.5 A current limit and 160 kHz switching frequency for thermal and EMI planning. The SMP-5 package suits space-constrained surface-mount layouts. Evaluate load regulation requirements against the 30 mV specification.

Voltage Regulators - DC DC Switching Regulators Part Context

Part of the LA5779MP series of switching regulators, this component serves as a dedicated power management integrated circuit. It falls under the PMIC category, specifically functioning as a step-down voltage converter. The series targets applications needing reliable, compact power solutions with defined electrical characteristics.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data. Consult manufacturer discontinuation notices for potential family replacements.