LM2577N-ADJ

Description：IC REG BST FLYBACK ADJ 3A 16PDIP
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tube

SKU:76be7abf08d7 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LM2577N-ADJ 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 FLYBACK ADJ 3A 16PDIP. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LM2577N-ADJ

Description：IC REG BST FLYBACK ADJ 3A 16PDIP
Series：SIMPLE SWITCHER®
Mfr：Texas Instruments
Package：Tube
Function：Step-Up, Step-Up/Step-Down
Output Configuration：Positive or Negative
Topology：Boost, Flyback, Forward Converter
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：3.5V
Voltage - Input (Max)：40V
Voltage - Output (Min/Fixed)：1.23V
Voltage - Output (Max)：60V (Switch)
Current - Output：3A (Switch)
Frequency - Switching：52kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Through Hole
Package / Case：16-DIP (0.300", 7.62mm)
Supplier Device Package：16-PDIP
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM2577N-ADJ

LM2577N-ADJ

Voltage Regulators - DC DC Switching Regulators Overview

The LM2577N-ADJ is a SIMPLE SWITCHER step-up voltage regulator manufactured by Texas Instruments. It operates with an input voltage range of 3.5V to 40V and provides an adjustable output voltage from 1.23V to 60V. The device supports a maximum switch current of 3A and features a fixed switching frequency of 52kHz. It utilizes TO-220-5 through-hole packaging and functions in boost, flyback, and forward topologies. The operational temperature range spans from -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated monolithic controller for simplified design
Internal fixed-frequency oscillator at 52kHz
Built-in thermal shutdown protection
On-chip freewheeling diode

Voltage Regulators - DC DC Switching Regulators Applications

General-purpose step-up DC/DC converters
Flyback pre-regulators
Forward converters
Battery-powered systems requiring voltage boosting

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix and manufacturer source when sourcing this component. Confirm that the part matches the original National Semiconductor or Texas Instruments specifications. Ensure the package type corresponds to the required through-hole mounting configuration. Check for any obsolescence notices or lifecycle status updates from the manufacturer before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this regulator for applications requiring high current capability up to 3A in a through-hole package. It is suitable for designs needing simple boost, flyback, or forward topology implementation. Consider the 52kHz switching frequency for EMI constraints. Ensure input voltages remain within the 3.5V to 40V range for proper operation.

Voltage Regulators - DC DC Switching Regulators Part Context

The LM2577 belongs to the SIMPLE SWITCHER family of power management ICs. It is part of a broader series including step-down regulators like the LM2575 and LM2576. This specific model focuses on step-up functionality, complementing the company's portfolio of integrated switching solutions designed for ease of use and robust performance in various power conversion scenarios.