Datasheet Texas Instruments LM2577T-15/NOPB

ManufacturerTexas Instruments
SeriesLM2577
Part NumberLM2577T-15/NOPB
Datasheet Texas Instruments LM2577T-15/NOPB

SIMPLE SWITCHER? 3.5V to 40V, 3A Low Component Count Step-Up Regulator 5-TO-220 -40 to 125

Datasheets

LM1577/LM2577 SIMPLE SWITCHER Step-Up Voltage Regulator (Rev. D)
PDF, 4.7 Mb, Revision: D, File published: Apr 3, 2013

Prices

Status

Lifecycle StatusLifebuy (Manufacturer has announced that the device will be discontinued, and a lifetime-buy period is in effect)
Manufacture's Sample AvailabilityNo

Packaging

Pin55
Package TypeKCKC
Industry STD TermTO-220TO-220
JEDEC CodeR-PSFM-TR-PSFM-T
Package QTY4545
CarrierTUBETUBE
Device MarkingP+LM2577T-15
Width (mm)8.518.51
Length (mm)10.1610.16
Thickness (mm)4.584.58
Pitch (mm)1.71.7
Max Height (mm)4.74.7
Mechanical DataDownloadDownload

Replacements

ReplacementLM2585T-ADJ/NOPB
Replacement CodeF

Parametrics

Approx. Price (US$)2.65 | 1ku
Duty Cycle(Max)(%)95
Iq(Typ)(mA)10
Operating Temperature Range(C)-40 to 125
Package GroupTO-220
RatingCatalog
Regulated Outputs(#)1
Switch Current Limit(Typ)(A)3
Switching Frequency(Max)(kHz)52
TypeConverter
Vin(Max)(V)40
Vin(Min)(V)3.5
Vout(Max)(V)15
Vout(Min)(V)1.23

Eco Plan

RoHSCompliant
Pb FreeYes

Application Notes

  • AN-777 LM2577 Three Output, Isolated Flyback Regulator (Rev. B)
    PDF, 278 Kb, Revision: B, File published: Apr 23, 2013
    Many voltage regulator applications require multiple outputs, such as a computer's power supply or a regulator used to meet the voltage requirements inside an automobile. Some of these applications r
  • AN-643 EMI/RFI Board Design (Rev. B)
    PDF, 742 Kb, Revision: B, File published: May 3, 2004
    Application Note 643 EMI/RFI Board Design
  • AN-776 20-W SIMPLE SWITCHER Forward Converter (Rev. A)
    PDF, 593 Kb, Revision: A, File published: Apr 23, 2013
    This application note provides information about the 20-watt simple switcher forward converter.
  • Working With Boost Converters
    PDF, 159 Kb, File published: Jun 15, 2015
    This brief note highlights some of the more common pitfalls when using boost regulators. These include maximum achievable output current and voltage, short circuit behavior and basic layout issues. I
  • Input and Output Capacitor Selection
    PDF, 219 Kb, File published: Sep 19, 2005
  • Basic Calculation of a Boost Converter's Power Stage (Rev. C)
    PDF, 186 Kb, Revision: C, File published: Jan 8, 2014
    This application note gives the equations to calculate the power stage of a boost converter built with an IC with integrated switch and operating in continuous conduction mode. It is not intended to g
  • Negative Buck Switching Regulator (using LM258x)
    PDF, 122 Kb, File published: Mar 21, 2007
  • AN-2155 Layout Tips for EMI Reduction in DC/ DC Converters (Rev. A)
    PDF, 3.6 Mb, Revision: A, File published: Apr 23, 2013
    This application note will explore how the layout of your DC/DC power supply can significantly affect the amount of EMI that it produces. It will discuss several variations of a layout, analyze the r
  • AN-1566 Techniques for Thermal Analysis of Switching Power Supply Designs (Rev. A)
    PDF, 1.4 Mb, Revision: A, File published: Apr 23, 2013
    This application note provides thermal power analysis techniques for analyzing the power IC.
  • Semiconductor and IC Package Thermal Metrics (Rev. B)
    PDF, 180 Kb, Revision: B, File published: Jul 5, 2012
    Many thermal metrics exist for integrated circuit (IC) packages ranging from ?<sub>ja</sub> to ?<sub>jt</sub>. Often, these thermal metrics are misapplied by those who try to use them to estimate junc
  • Linear and Switching Voltage Regulator Fundamental Part 2
    PDF, 181 Kb, File published: Mar 21, 2007
  • AN-1149 Layout Guidelines for Switching Power Supplies (Rev. C)
    PDF, 82 Kb, Revision: C, File published: Apr 23, 2013
    When designing a high frequency switching regulated power supply, layout is very important. Using a good layout can solve many problems associated with these types of supplies. The problems due to a
  • Understanding Boost Power Stages In Switchmode Power Supplies
    PDF, 149 Kb, File published: Mar 4, 1999
    A switching power supply consists of the power stage and the control circuit. The power stage performs the basic power conversion from the input voltage to the output voltage and includes switches and
  • AN-1229 SIMPLE SWITCHER PCB Layout Guidelines (Rev. C)
    PDF, 373 Kb, Revision: C, File published: Apr 23, 2013
    This application report provides SIMPLE SWITCHER&trade; PCB layout guidelines.

Model Line

Manufacturer's Classification

  • Semiconductors > Power Management > Non-isolated DC/DC Switching Regulator > Step-Up (Boost) > Boost Converter (Integrated Switch)

Other Names:

LM2577T15/NOPB, LM2577T 15/NOPB

EMS supplier