Datasheet Texas Instruments LM2576 — Ficha de datos

FabricanteTexas Instruments
SerieLM2576
Datasheet Texas Instruments LM2576

Regulador reductor SIMPLE SWITCHER® 40V, 3A, bajo conteo de componentes

Hojas de datos

LM2576xx Series SIMPLE SWITCHER 3-A Step-Down Voltage Regulator datasheet
PDF, 4.5 Mb, Revisión: D, Archivo publicado: mayo 27, 2016
Extracto del documento

Precios

Estado

LM2576S-12LM2576S-12/NOPBLM2576S-3.3/NOPBLM2576S-5.0LM2576S-5.0/NOPBLM2576S-ADJ/NOPBLM2576SX-3.3/NOPBLM2576SX-5.0/NOPBLM2576SX-ADJ/NOPBLM2576T-12LM2576T-12/LB03LM2576T-12/LF03LM2576T-12/NOPBLM2576T-15/LF03LM2576T-15/NOPBLM2576T-3.3/LB03LM2576T-3.3/LF03LM2576T-3.3/NOPBLM2576T-5.0LM2576T-5.0/LB03LM2576T-5.0/LF02LM2576T-5.0/LF03LM2576T-5.0/NOPBLM2576T-ADJLM2576T-ADJ/LB03LM2576T-ADJ/LF02LM2576T-ADJ/LF03LM2576T-ADJ/NOPB
Estado del ciclo de vidaNRND (No recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)NRND (No recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)NRND (No recomendado para nuevos diseños)NRND (No recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)NRND (No recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)NRND (No recomendado para nuevos diseños)NRND (No recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)NRND (No recomendado para nuevos diseños)NRND (No recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)Activo (Recomendado para nuevos diseños)
Disponibilidad de muestra del fabricanteNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNo

Embalaje

LM2576S-12LM2576S-12/NOPBLM2576S-3.3/NOPBLM2576S-5.0LM2576S-5.0/NOPBLM2576S-ADJ/NOPBLM2576SX-3.3/NOPBLM2576SX-5.0/NOPBLM2576SX-ADJ/NOPBLM2576T-12LM2576T-12/LB03LM2576T-12/LF03LM2576T-12/NOPBLM2576T-15/LF03LM2576T-15/NOPBLM2576T-3.3/LB03LM2576T-3.3/LF03LM2576T-3.3/NOPBLM2576T-5.0LM2576T-5.0/LB03LM2576T-5.0/LF02LM2576T-5.0/LF03LM2576T-5.0/NOPBLM2576T-ADJLM2576T-ADJ/LB03LM2576T-ADJ/LF02LM2576T-ADJ/LF03LM2576T-ADJ/NOPB
N12345678910111213141516171819202122232425262728
Pin5555555555555555555555555555
Package TypeKTTKTTKTTKTTKTTKTTKTTKTTKTTKCNDHNDHKCNDHKCNDHNDHKCKCNDHNEBNDHKCKCNDHNEBNDHKC
Industry STD TermTO-263TO-263TO-263TO-263TO-263TO-263TO-263TO-263TO-263TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220
JEDEC CodeR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-TR-MSFM-LR-MSFM-LR-PSFM-TR-MSFM-LR-PSFM-TR-MSFM-LR-MSFM-LR-PSFM-TR-PSFM-TR-MSFM-LR-MSFM-LR-PSFM-TR-PSFM-TR-MSFM-LR-MSFM-LR-PSFM-T
Package QTY454545454545500500500454545454545454545454545454545454545
CarrierTUBETUBETUBETUBETUBETUBELARGE T&RLARGE T&RLARGE T&RTUBETUBETUBETUBETUBETUBETUBETUBETUBETUBETUBETUBETUBETUBETUBETUBETUBETUBE
Width (mm)8.428.428.428.428.428.428.428.428.428.5110.1610.168.5110.168.5110.1610.168.518.5110.1610.168.518.5110.1610.168.51
Length (mm)10.1610.1610.1610.1610.1610.1610.1610.1610.1610.1614.98614.98610.1614.98610.1614.98614.98610.1610.1614.98614.98610.1610.1614.98614.98610.16
Thickness (mm)4.584.584.584.584.584.584.584.584.584.584.5724.5724.584.5724.584.5724.5724.584.584.5724.5724.584.584.5724.5724.58
Pitch (mm)1.71.71.71.71.71.71.71.71.71.71.7021.7021.71.7021.71.7021.7021.71.71.7021.7021.71.71.7021.7021.7
Max Height (mm)4.834.834.834.834.834.834.834.834.834.74.74.74.74.74.74.74.74.74.74.74.74.74.74.74.74.7
Mechanical DataDescargarDescargarDescargarDescargarDescargarDescargarDescargarDescargarDescargarDescargarDescargarDescargarDescargarDescargarDescargarDescargarDescargarDescargarDescargarDescargarDescargarDescargarDescargarDescargarDescargarDescargar
Device Marking-3.3 P+

Paramétricos

Parameters / ModelsLM2576S-12
LM2576S-12
LM2576S-12/NOPB
LM2576S-12/NOPB
LM2576S-3.3/NOPB
LM2576S-3.3/NOPB
LM2576S-5.0
LM2576S-5.0
LM2576S-5.0/NOPB
LM2576S-5.0/NOPB
LM2576S-ADJ/NOPB
LM2576S-ADJ/NOPB
LM2576SX-3.3/NOPB
LM2576SX-3.3/NOPB
LM2576SX-5.0/NOPB
LM2576SX-5.0/NOPB
LM2576SX-ADJ/NOPB
LM2576SX-ADJ/NOPB
LM2576T-12
LM2576T-12
LM2576T-12/LB03
LM2576T-12/LB03
LM2576T-12/LF03
LM2576T-12/LF03
LM2576T-12/NOPB
LM2576T-12/NOPB
LM2576T-15/LF03
LM2576T-15/LF03
LM2576T-15/NOPB
LM2576T-15/NOPB
LM2576T-3.3/LB03
LM2576T-3.3/LB03
LM2576T-3.3/LF03
LM2576T-3.3/LF03
LM2576T-3.3/NOPB
LM2576T-3.3/NOPB
LM2576T-5.0
LM2576T-5.0
LM2576T-5.0/LB03
LM2576T-5.0/LB03
LM2576T-5.0/LF02
LM2576T-5.0/LF02
LM2576T-5.0/LF03
LM2576T-5.0/LF03
LM2576T-5.0/NOPB
LM2576T-5.0/NOPB
LM2576T-ADJ
LM2576T-ADJ
LM2576T-ADJ/LB03
LM2576T-ADJ/LB03
LM2576T-ADJ/LF02
LM2576T-ADJ/LF02
LM2576T-ADJ/LF03
LM2576T-ADJ/LF03
LM2576T-ADJ/NOPB
LM2576T-ADJ/NOPB
Approx. Price (US$)1.19 | 1ku
Control ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage ModeVoltage Mode
Duty Cycle(Max), %989898989898989898989898989898989898989898989898989898
Duty Cycle(Max)(%)98
FeaturesEnableEnableEnableEnableEnableEnableEnableEnableEnableEnableEnableEnableEnableEnableEnableEnableEnableEnableEnableEnableEnableEnableEnableEnableEnableEnableEnable
Iout(Max), A333333333333333333333333333
Iout(Max)(A)3
Iq(Typ), mA555555555555555555555555555
Iq(Typ)(mA)5
Operating Temperature Range, C-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125-40 to 125
Operating Temperature Range(C)-40 to 125
Package GroupDDPAK/TO-263DDPAK/TO-263DDPAK/TO-263DDPAK/TO-263DDPAK/TO-263DDPAK/TO-263DDPAK/TO-263DDPAK/TO-263DDPAK/TO-263TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220TO-220
RatingCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalog
Regulated Outputs111111111111111111111111111
Regulated Outputs(#)1
Special FeaturesEnable
Switching Frequency(Max), kHz636363636363636363636363636363636363636363636363636363
Switching Frequency(Max)(kHz)63
Switching Frequency(Min), kHz424242424242424242424242424242424242424242424242424242
Switching Frequency(Min)(kHz)42
TypeConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverter
Vin(Max), V404040404040404040404040404040404040404040404040404040
Vin(Max)(V)40
Vin(Min), V444444444444444444444444444
Vin(Min)(V)4
Vout(Max), V373737373737373737373737373737373737373737373737373737
Vout(Max)(V)37
Vout(Min), V3.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.33.3
Vout(Min)(V)3.3

Plan ecológico

LM2576S-12LM2576S-12/NOPBLM2576S-3.3/NOPBLM2576S-5.0LM2576S-5.0/NOPBLM2576S-ADJ/NOPBLM2576SX-3.3/NOPBLM2576SX-5.0/NOPBLM2576SX-ADJ/NOPBLM2576T-12LM2576T-12/LB03LM2576T-12/LF03LM2576T-12/NOPBLM2576T-15/LF03LM2576T-15/NOPBLM2576T-3.3/LB03LM2576T-3.3/LF03LM2576T-3.3/NOPBLM2576T-5.0LM2576T-5.0/LB03LM2576T-5.0/LF02LM2576T-5.0/LF03LM2576T-5.0/NOPBLM2576T-ADJLM2576T-ADJ/LB03LM2576T-ADJ/LF02LM2576T-ADJ/LF03LM2576T-ADJ/NOPB
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Pb gratisNo

Notas de aplicación

  • High-Efficiency 3A Battery Chargers Use LM2576 Regulators (Rev. B)
    PDF, 187 Kb, Revisión: B, Archivo publicado: abr 23, 2013
    This application report describes two LM2576-based designs that provide up to 3A of current for batterycharging.
  • Battery Charging
    PDF, 146 Kb, Archivo publicado: marzo 21, 2007
  • AN-776 20-W SIMPLE SWITCHER Forward Converter (Rev. A)
    PDF, 593 Kb, Revisión: A, Archivo publicado: abr 23, 2013
    This application note provides information about the 20-watt simple switcher forward converter.
  • AN-1246 Stresses in Wide Input DC-DC Converters (Rev. C)
    PDF, 427 Kb, Revisión: C, Archivo publicado: abr 23, 2013
    This application note discusses stresses in wide input DC-DC converters.
  • Buck Converters Provide a Battery Charger and System Power
    PDF, 61 Kb, Archivo publicado: marzo 21, 2007
  • AN-1197 Selecting Inductors for Buck Converters (Rev. B)
    PDF, 558 Kb, Revisión: B, Archivo publicado: abr 23, 2013
    This application report provides design information to help select an off-the-shelf inductor for anycontinuous-mode buck converter application.
  • AN-2162 Simple Success With Conducted EMI From DC-DC Converters (Rev. C)
    PDF, 2.5 Mb, Revisión: C, Archivo publicado: abr 24, 2013
    Electromagnetic Interference (EMI) is an unwanted effect between two electrical systems as a result ofeither electromagnetic radiation or electromagnetic conduction. EMI is the major adverse effect caused bythe application of switch-mode power supplies (SMPS). In switching power supplies EMI noise isunavoidable due to the switching actions of the semiconductor devices and resulting disconti
  • Semiconductor and IC Package Thermal Metrics (Rev. C)
    PDF, 201 Kb, Revisión: C, Archivo publicado: abr 19, 2016
  • Switching Regulator Fundamentals (Rev. A)
    PDF, 324 Kb, Revisión: A, Archivo publicado: sept 23, 2016
    Theswitchingregulatoris increasingin popularitybecauseit offersthe advantagesof higherpowerconversionefficiencyand increaseddesignflexibility(multipleoutputvoltagesof differentpolaritiescan begeneratedfroma singleinputvoltage).
  • Input and Output Capacitor Selection
    PDF, 219 Kb, Archivo publicado: sept 19, 2005
  • AN-643 EMI/RFI Board Design (Rev. B)
    PDF, 742 Kb, Revisión: B, Archivo publicado: mayo 3, 2004
    Application Note 643 EMI/RFI Board Design
  • AN-1149 Layout Guidelines for Switching Power Supplies (Rev. C)
    PDF, 82 Kb, Revisión: C, Archivo publicado: abr 23, 2013
    When designing a high frequency switching regulated power supply layout is very important. Using agood layout can solve many problems associated with these types of supplies. The problems due to a badlayout are often seen at high current levels and are usually more obvious at large input to output voltagedifferentials. Some of the main problems are loss of regulation at high output current
  • AN-1229 SIMPLE SWITCHER PCB Layout Guidelines (Rev. C)
    PDF, 374 Kb, Revisión: C, Archivo publicado: abr 23, 2013
    This application report provides SIMPLE SWITCHER™ PCB layout guidelines.
  • AN-1520 A Guide to Board Layout for Best Thermal Resistance for Exposed Packages (Rev. B)
    PDF, 9.2 Mb, Revisión: B, Archivo publicado: abr 23, 2013
    This thermal application report provides guidelines for the optimal board layout to achieve the best thermalresistance for exposed packages. The thermal resistance between junction-to-ambient (ОёJA) is highlydependent on the PCB (Printed Circuit Board) design factors. This becomes more critical for packageshaving very low thermal resistance between junction-to-case such as exposed pad TSSOP
  • AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A)
    PDF, 2.7 Mb, Revisión: A, Archivo publicado: abr 23, 2013
    This application report shows how to measure the critical points of a bode plot with only an audiogenerator (or simple signal generator) and an oscilloscope. The method is explained in an easy to followstep-by-step manner so that a power supply designer can start performing these measurements in a shortamount of time.
  • AN-1566 Techniques for Thermal Analysis of Switching Power Supply Designs (Rev. A)
    PDF, 1.4 Mb, Revisión: A, Archivo publicado: abr 23, 2013
    This application note provides thermal power analysis techniques for analyzing the power IC.
  • AN-2155 Layout Tips for EMI Reduction in DC/ DC Converters (Rev. A)
    PDF, 3.6 Mb, Revisión: A, Archivo publicado: abr 23, 2013
    This application note will explore how the layout of your DC/DC power supply can significantly affect theamount of EMI that it produces. It will discuss several variations of a layout analyze the results andprovide answers to some common EMI questions such whether or not to use a shielded inductor.
  • Low EMI Layout Made SIMPLE With LM43600/1/2/3 and LM46000/1/2 (Rev. A)
    PDF, 512 Kb, Revisión: A, Archivo publicado: sept 12, 2014
    Printed Circuit Board (PCB) layout for Switched Mode Power Supplies (SMPS) is critical to achieve proper converter operation good thermal performance and excellent radiated EMI performance. Optimized board layout for low radiated EMI is made very simple by the package and pin arrangement of the SIMPLE SWITCHER Synchronous Buck Converter family LM4360x and LM4600x

Linea modelo

Clasificación del fabricante

  • Semiconductors > Power Management > DC/DC Switching Regulator > Step-Down (Buck) > Buck Converter (Integrated Switch)
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