Datasheet Texas Instruments LM2678 — Datenblatt

HerstellerTexas Instruments
SerieLM2678
Datasheet Texas Instruments LM2678

EINFACHER SCHALTER 8V bis 40V, 5A Hocheffizienter DC / DC-Schaltregler

Datenblätter

LM2678 SIMPLE SWITCHER High Efficiency 5-A Step-Down Voltage Regulator datasheet
PDF, 2.3 Mb, Revision: K, Datei veröffentlicht: Jan 13, 2017
Auszug aus dem Dokument

Preise

Status

LM2678S-12LM2678S-12/NOPBLM2678S-3.3LM2678S-3.3/NOPBLM2678S-5.0LM2678S-5.0/NOPBLM2678S-ADJLM2678S-ADJ/NOPBLM2678SD-12LM2678SD-12/NOPBLM2678SD-3.3/NOPBLM2678SD-5.0/NOPBLM2678SD-ADJLM2678SD-ADJ/NOPBLM2678SDX-3.3/NOPBLM2678SDX-5.0/NOPBLM2678SDX-ADJ/NOPBLM2678SX-12/NOPBLM2678SX-3.3/NOPBLM2678SX-5.0LM2678SX-5.0/NOPBLM2678SX-ADJLM2678SX-ADJ/NOPBLM2678T-12/NOPBLM2678T-3.3/NOPBLM2678T-5.0LM2678T-5.0/NOPBLM2678T-ADJLM2678T-ADJ/NOPB
Lifecycle StatusNRND (Not recommended for new designs)Active (Recommended for new designs)NRND (Not recommended for new designs)Active (Recommended for new designs)NRND (Not recommended for new designs)Active (Recommended for new designs)NRND (Not recommended for new designs)Active (Recommended for new designs)NRND (Not recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)NRND (Not recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)NRND (Not recommended for new designs)Active (Recommended for new designs)NRND (Not recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)Active (Recommended for new designs)NRND (Not recommended for new designs)Active (Recommended for new designs)NRND (Not recommended for new designs)Active (Recommended for new designs)
Manufacture's Sample AvailabilityNoNoNoYesYesYesNoNoNoNoYesNoYesYesNoNoYesYesYesYesNoNoYesNoYesYesNoNoYes

Verpackung

LM2678S-12LM2678S-12/NOPBLM2678S-3.3LM2678S-3.3/NOPBLM2678S-5.0LM2678S-5.0/NOPBLM2678S-ADJLM2678S-ADJ/NOPBLM2678SD-12LM2678SD-12/NOPBLM2678SD-3.3/NOPBLM2678SD-5.0/NOPBLM2678SD-ADJLM2678SD-ADJ/NOPBLM2678SDX-3.3/NOPBLM2678SDX-5.0/NOPBLM2678SDX-ADJ/NOPBLM2678SX-12/NOPBLM2678SX-3.3/NOPBLM2678SX-5.0LM2678SX-5.0/NOPBLM2678SX-ADJLM2678SX-ADJ/NOPBLM2678T-12/NOPBLM2678T-3.3/NOPBLM2678T-5.0LM2678T-5.0/NOPBLM2678T-ADJLM2678T-ADJ/NOPB
N1234567891011121314151617181920212223242526272829
Pin77777777141414141414141414777777777777
Package TypeKTWKTWKTWKTWKTWKTWKTWKTWNHMNHMNHMNHMNHMNHMNHMNHMNHMKTWKTWKTWKTWKTWKTWNDZNDZNDZNDZNDZNDZ
Industry STD TermTO-263TO-263TO-263TO-263TO-263TO-263TO-263TO-263VSONVSONVSONVSONVSONVSONVSONVSONVSONTO-263TO-263TO-263TO-263TO-263TO-263TO-220TO-220TO-220TO-220TO-220TO-220
JEDEC CodeR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-PDSO-NR-PDSO-NR-PDSO-NR-PDSO-NR-PDSO-NR-PDSO-NR-PDSO-NR-PDSO-NR-PDSO-NR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-PSFM-GR-MSFM-LR-MSFM-LR-MSFM-LR-MSFM-LR-MSFM-LR-MSFM-L
Package QTY4545454545454545250250250250250250250025002500500500500500500500454545454545
CarrierTUBETUBETUBETUBETUBETUBETUBETUBESMALL T&RSMALL T&RSMALL T&RSMALL T&RSMALL T&RSMALL T&RLARGE T&RLARGE T&RLARGE T&RLARGE T&RLARGE T&RLARGE T&RLARGE T&RLARGE T&RLARGE T&RTUBETUBETUBETUBETUBETUBE
Device MarkingS-12S-12LM2678S-3.3LM2678S-5.0S-ADJLM2678S0003BBS0003BBS0003CBS0003DBS0003EBS0003EBS0003CBS0003DBS0003EBLM2678S-3.3S-5.0LM2678S-ADJS-ADJT-12LM2678LM2678T-5.0LM2678T-ADJ
Width (mm)8.898.898.898.898.898.898.898.895555555558.898.898.898.898.898.8910.1610.1610.1610.1610.1610.16
Length (mm)10.110.110.110.110.110.110.110.166666666610.110.110.110.110.110.114.98614.98614.98614.98614.98614.986
Thickness (mm)4.444.444.444.444.444.444.444.441111111114.444.444.444.444.444.444.5724.5724.5724.5724.5724.572
Pitch (mm)1.271.271.271.271.271.271.271.27.8.8.8.8.8.8.8.8.81.271.271.271.271.271.271.271.271.271.271.271.27
Max Height (mm)4.654.654.654.654.654.654.654.651111111114.654.654.654.654.654.654.74.74.74.74.74.7
Mechanical DataHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladenHerunterladen

Parameter

Parameters / ModelsLM2678S-12
LM2678S-12
LM2678S-12/NOPB
LM2678S-12/NOPB
LM2678S-3.3
LM2678S-3.3
LM2678S-3.3/NOPB
LM2678S-3.3/NOPB
LM2678S-5.0
LM2678S-5.0
LM2678S-5.0/NOPB
LM2678S-5.0/NOPB
LM2678S-ADJ
LM2678S-ADJ
LM2678S-ADJ/NOPB
LM2678S-ADJ/NOPB
LM2678SD-12
LM2678SD-12
LM2678SD-12/NOPB
LM2678SD-12/NOPB
LM2678SD-3.3/NOPB
LM2678SD-3.3/NOPB
LM2678SD-5.0/NOPB
LM2678SD-5.0/NOPB
LM2678SD-ADJ
LM2678SD-ADJ
LM2678SD-ADJ/NOPB
LM2678SD-ADJ/NOPB
LM2678SDX-3.3/NOPB
LM2678SDX-3.3/NOPB
LM2678SDX-5.0/NOPB
LM2678SDX-5.0/NOPB
LM2678SDX-ADJ/NOPB
LM2678SDX-ADJ/NOPB
LM2678SX-12/NOPB
LM2678SX-12/NOPB
LM2678SX-3.3/NOPB
LM2678SX-3.3/NOPB
LM2678SX-5.0
LM2678SX-5.0
LM2678SX-5.0/NOPB
LM2678SX-5.0/NOPB
LM2678SX-ADJ
LM2678SX-ADJ
LM2678SX-ADJ/NOPB
LM2678SX-ADJ/NOPB
LM2678T-12/NOPB
LM2678T-12/NOPB
LM2678T-3.3/NOPB
LM2678T-3.3/NOPB
LM2678T-5.0
LM2678T-5.0
LM2678T-5.0/NOPB
LM2678T-5.0/NOPB
LM2678T-ADJ
LM2678T-ADJ
LM2678T-ADJ/NOPB
LM2678T-ADJ/NOPB
Approx. Price (US$)2.20 | 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 ModeVoltage Mode
Duty Cycle(Max), %91919191919191919191919191919191919191919191919191919191
Duty Cycle(Max)(%)91
Iout(Max), A5555555555555555555555555555
Iout(Max)(A)5
Iq(Typ), mA4.24.24.24.24.24.24.24.24.24.24.24.24.24.24.24.24.24.24.24.24.24.24.24.24.24.24.24.2
Iq(Typ)(mA)4.2
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 125-40 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-263VSONVSONVSONVSONVSONVSONVSONVSONVSONDDPAK/TO-263DDPAK/TO-263DDPAK/TO-263DDPAK/TO-263DDPAK/TO-263DDPAK/TO-263TO-220TO-220TO-220TO-220TO-220TO-220
RatingCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalogCatalog
Regulated Outputs1111111111111111111111111111
Regulated Outputs(#)1
Special FeaturesFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency SynchronizationFrequency Synchronization
Switching Frequency(Max), kHz260260260260260260260260260260260260260260260260260260260260260260260260260260260260
Switching Frequency(Max)(kHz)260
Switching Frequency(Min), kHz260260260260260260260260260260260260260260260260260260260260260260260260260260260260
Switching Frequency(Min)(kHz)260
TypeConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverterConverter
Vin(Max), V40404040404040404040404040404040404040404040404040404040
Vin(Max)(V)40
Vin(Min), V8888888888888888888888888888
Vin(Min)(V)8
Vout(Max), V37373737373737373737373737373737373737373737373737373737
Vout(Max)(V)37
Vout(Min), V1.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.23
Vout(Min)(V)1.23

Öko-Plan

LM2678S-12LM2678S-12/NOPBLM2678S-3.3LM2678S-3.3/NOPBLM2678S-5.0LM2678S-5.0/NOPBLM2678S-ADJLM2678S-ADJ/NOPBLM2678SD-12LM2678SD-12/NOPBLM2678SD-3.3/NOPBLM2678SD-5.0/NOPBLM2678SD-ADJLM2678SD-ADJ/NOPBLM2678SDX-3.3/NOPBLM2678SDX-5.0/NOPBLM2678SDX-ADJ/NOPBLM2678SX-12/NOPBLM2678SX-3.3/NOPBLM2678SX-5.0LM2678SX-5.0/NOPBLM2678SX-ADJLM2678SX-ADJ/NOPBLM2678T-12/NOPBLM2678T-3.3/NOPBLM2678T-5.0LM2678T-5.0/NOPBLM2678T-ADJLM2678T-ADJ/NOPB
RoHSSee ti.comCompliantSee ti.comCompliantSee ti.comCompliantSee ti.comCompliantSee ti.comCompliantCompliantCompliantSee ti.comCompliantCompliantCompliantCompliantCompliantCompliantTBDCompliantSee ti.comCompliantCompliantCompliantSee ti.comCompliantSee ti.comCompliant
Pb FreeYesYesYesNoYesYesYesYesYes

Anwendungshinweise

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    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
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Modellreihe

Herstellerklassifikation

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