LM2577T-15/LF03

$3.30

Description：IC REG BST FLYBCK 15V 3A TO220-5
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tube

SKU:a9019c630b98 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM2577T-15/LF03 is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG BST FLYBCK 15V 3A TO220-5. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2577T-15/LF03

Description：IC REG BST FLYBCK 15V 3A TO220-5
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tube
Function：Step-Up, Step-Up/Step-Down
Output Configuration：Positive
Topology：Boost, Flyback, Forward Converter
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：3.5V
Voltage - Input (Max)：40V
Voltage - Output (Min/Fixed)：15V
Voltage - Output (Max)：-
Current - Output：3A (Switch)
Frequency - Switching：52kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Through Hole
Package / Case：TO-220-5 Formed Leads
Supplier Device Package：TO-220-5
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM2577T-15/LF03

LM2577T-15/LF03

Voltage Regulators - DC DC Switching Regulators Overview

The LM2577T-15/LF03 is a SIMPLE SWITCHER power converter from Texas Instruments, functioning as a step-up, flyback, or forward DC-to-DC switching regulator. It delivers a fixed 15V output with a maximum switch current of 3A. The device operates within an input voltage range of 3.5V to 40V and supports a maximum output voltage of 60V. It utilizes a 52kHz internal oscillator frequency and features a TO-220-5 through-hole package. The component is rated for junction temperatures between -40°C and 125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated monolithic controller supporting boost, flyback, and forward topologies
Fixed 15V output configuration eliminates external feedback resistor networks
Internal frequency compensation simplifies minimum external component requirements
Thermal shutdown protection safeguards against excessive junction temperatures

Voltage Regulators - DC DC Switching Regulators Applications

Industrial power supply systems requiring isolated or non-isolated regulated outputs
Battery-powered equipment utilizing step-up conversion architectures
General-purpose DC-DC regulation in embedded control circuits

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix LF03 against manufacturer documentation to confirm pinout compatibility and lead form specifications. Confirm RoHS compliance status and environmental certifications prior to integration. Ensure the supplier provides traceable manufacturing data consistent with Texas Instruments standards for quality assurance.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 15V output is required without external programming resistors. Consider the 3A current limit and 40V maximum input rating for circuit design constraints. Evaluate thermal management needs due to the TO-220-5 package characteristics and ensure the application topology aligns with boost, flyback, or forward converter designs.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM2577 series of SIMPLE SWITCHER regulators, designed for high-efficiency power conversion. It complements other variants offering adjustable outputs or different fixed voltages within the same family. The series is characterized by simplified design processes and robust performance in various industrial and commercial applications.