LA5779MP-DL-E

$0.88

Description：IC REG BUCK ADJ 3.1A SMP5
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Bulk

SKU:82a2e6f84dfe Category: Voltage Regulators - DC DC Switching Regulators Brand: onsemi

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Product introduction

LA5779MP-DL-E is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists onsemi. Its product description is IC REG BUCK ADJ 3.1A SMP5. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LA5779MP-DL-E

Description：IC REG BUCK ADJ 3.1A SMP5
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Bulk
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：4.5V
Voltage - Input (Max)：28V
Voltage - Output (Min/Fixed)：1.23V
Voltage - Output (Max)：28V
Current - Output：3.1A (Switch)
Frequency - Switching：160kHz
Synchronous Rectifier：No
Operating Temperature：-30°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：TO-252-6, DPAK (5 Leads + Tab)
Supplier Device Package：SMP5
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LA5779MP-DL-E

LA5779MP-DL-E

Voltage Regulators - DC DC Switching Regulators Overview

The LA5779MP-DL-E is a separately-excited step-down switching regulator manufactured by onsemi. It operates with an input voltage range of 4.5 V to 28 V and provides a single adjustable output from 1.23 V up to the input voltage. The device supports a switch current of 3.1 A and functions at a switching frequency of 160 kHz. It features synchronous rectification absence, utilizing external components for control. The unit is housed in a TO-252-6 (DPAK) package with five leads plus a tab, designed for surface mount installation. Operating temperature ranges from -30°C to +125°C TJ.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Separately-excited buck topology for flexible power management
Wide input voltage capability supporting high-voltage sources
Integrated thermal protection mechanisms for reliability

Voltage Regulators - DC DC Switching Regulators Applications

Industrial equipment power distribution
Automotive electronics subsystems
Consumer appliance DC-DC conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distributors due to obsolete status. Confirm package integrity and pin alignment against the TO-252-6 specification. Review datasheet revisions for any historical parameter updates. Ensure supply chain sources provide traceability documentation. Validate compatibility with existing board layouts before integration.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust, high-current buck converter is required for industrial or automotive environments. Consider the wide input range for systems with varying supply voltages. Evaluate thermal performance requirements given the DPAK package limitations. Compare against newer generations if long-term availability is critical for production cycles.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LA5779MP series of switching regulators. It represents a legacy product line from onsemi, formerly associated with Sanyo Semiconductor. The series focuses on simple, cost-effective step-down solutions for medium-power applications. Development tools such as evaluation boards were historically available for design verification.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source data. Users should consult official obsolescence notices for recommended upgrades.

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.