Datasheet Linear Technology LT1374

ManufacturerLinear Technology
SeriesLT1374

4.5A, 500kHz Step-Down Switching Regulator

Datasheets

Datasheet LT1374
PDF, 720 Kb, Language: en, File uploaded: Sep 3, 2017, Pages: 32
4.5A, 500kHz Step-Down Switching Regulator
Extract from the document

Prices

Packaging

LT1374CFE#PBFLT1374CFE#TRPBFLT1374CR#PBFLT1374CR#TRPBFLT1374CR-5#PBFLT1374CR-5#TRPBFLT1374CR-5SYNC#PBFLT1374CR-5Sync#TRPBFLT1374CR-SYNC#PBFLT1374CR-Sync#TRPBFLT1374CS8#PBFLT1374CS8#TRPBFLT1374CS8-5#PBFLT1374CS8-5#TRPBFLT1374CS8-5SYNC#PBFLT1374CS8-5Sync#TRPBFLT1374CS8-SYNC#PBFLT1374CS8-Sync#TRPBFLT1374CT7#PBFLT1374CT7-5#PBFLT1374IFE#PBFLT1374IFE#TRPBFLT1374IR#PBFLT1374IR#TRPBFLT1374IR-5#PBFLT1374IR-5#TRPBFLT1374IR-5SYNC#PBFLT1374IR-SYNC#PBFLT1374IS8#PBFLT1374IS8#TRPBFLT1374IS8-5#PBFLT1374IS8-5#TRPBFLT1374IS8-5SYNC#PBFLT1374IS8-SYNC#PBFLT1374IT7#PBFLT1374IT7-5#PBF
N123456789101112131415161718192021222324252627282930313233343536
PackageTSSOP-16
Package Outline Drawing
TSSOP-16
Package Outline Drawing
DDPAK-7
Package Outline Drawing
DDPAK-7
Package Outline Drawing
DDPAK-7
Package Outline Drawing
DDPAK-7
Package Outline Drawing
DDPAK-7
Package Outline Drawing
DDPAK-7
Package Outline Drawing
DDPAK-7
Package Outline Drawing
DDPAK-7
Package Outline Drawing
SO-8
Package Outline Drawing
SO-8
Package Outline Drawing
SO-8
Package Outline Drawing
SO-8
Package Outline Drawing
SO-8
Package Outline Drawing
SO-8
Package Outline Drawing
SO-8
Package Outline Drawing
SO-8
Package Outline Drawing
TO-220
Package Outline Drawing
TO-220
Package Outline Drawing
TSSOP-16
Package Outline Drawing
TSSOP-16
Package Outline Drawing
DDPAK-7
Package Outline Drawing
DDPAK-7
Package Outline Drawing
DDPAK-7
Package Outline Drawing
DDPAK-7
Package Outline Drawing
DDPAK-7
Package Outline Drawing
DDPAK-7
Package Outline Drawing
SO-8
Package Outline Drawing
SO-8
Package Outline Drawing
SO-8
Package Outline Drawing
SO-8
Package Outline Drawing
SO-8
Package Outline Drawing
SO-8
Package Outline Drawing
TO-220
Package Outline Drawing
TO-220
Package Outline Drawing
Package CodeFEFERRRRRRRRS8S8S8S8S8S8S8S8T7T7FEFERRRRRRS8S8S8S8S8S8T7T7
Package Index05-08-1663 (BB)05-08-1663 (BB)05-08-146205-08-146205-08-146205-08-146205-08-146205-08-146205-08-146205-08-146205-08-1610 (S8)05-08-1610 (S8)05-08-1610 (S8)05-08-1610 (S8)05-08-1610 (S8)05-08-1610 (S8)05-08-1610 (S8)05-08-1610 (S8)05-08-1422 (Std)05-08-1422 (Std)05-08-1663 (BB)05-08-1663 (BB)05-08-146205-08-146205-08-146205-08-146205-08-146205-08-146205-08-1610 (S8)05-08-1610 (S8)05-08-1610 (S8)05-08-1610 (S8)05-08-1610 (S8)05-08-1610 (S8)05-08-1422 (Std)05-08-1422 (Std)
Pin Count1616777777778888888877161677777788888877

Parametrics

Parameters / ModelsLT1374CFE#PBFLT1374CFE#TRPBFLT1374CR#PBFLT1374CR#TRPBFLT1374CR-5#PBFLT1374CR-5#TRPBFLT1374CR-5SYNC#PBFLT1374CR-5Sync#TRPBFLT1374CR-SYNC#PBFLT1374CR-Sync#TRPBFLT1374CS8#PBFLT1374CS8#TRPBFLT1374CS8-5#PBFLT1374CS8-5#TRPBFLT1374CS8-5SYNC#PBFLT1374CS8-5Sync#TRPBFLT1374CS8-SYNC#PBFLT1374CS8-Sync#TRPBFLT1374CT7#PBFLT1374CT7-5#PBFLT1374IFE#PBFLT1374IFE#TRPBFLT1374IR#PBFLT1374IR#TRPBFLT1374IR-5#PBFLT1374IR-5#TRPBFLT1374IR-5SYNC#PBFLT1374IR-SYNC#PBFLT1374IS8#PBFLT1374IS8#TRPBFLT1374IS8-5#PBFLT1374IS8-5#TRPBFLT1374IS8-5SYNC#PBFLT1374IS8-SYNC#PBFLT1374IT7#PBFLT1374IT7-5#PBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474ADC187A-A,DC187A-B,DC188A-A,DC188A-B,DC474A
Design ToolsLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice File
Export Controlnononononononononononononononononononononononononononononononononononono
FeaturesExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal SynchronizationExternal Synchronization
Frequency, kHz500500500500500500500500500500500500500500500500500500500500500500500500500500500500500500500500500500500500
Frequency Sync Range580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz580kHz - 1MHz
Integrated Inductornononononononononononononononononononononononononononononononononononono
Ishutdown, µA202020202020202020202020202020202020202020202020202020202020202020202020
Isupply, mA2.52.52.52.52.52.52.52.52.52.52.52.52.52.52.52.52.52.52.52.52.52.52.52.52.52.52.52.52.52.52.52.52.52.52.52.5
Max Phases111111111111111111111111111111111111
Monolithicyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyesyes
Number of Outputs111111111111111111111111111111111111
Operating Temperature Range, °C0 to 700 to 700 to 700 to 700 to 700 to 700 to 700 to 700 to 700 to 700 to 700 to 700 to 700 to 700 to 700 to 700 to 700 to 700 to 700 to 70-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85-40 to 85
Output Current, A3.63.63.63.63.63.63.63.63.63.63.63.63.63.63.63.63.63.63.63.63.63.63.63.63.63.63.63.63.63.63.63.63.63.63.63.6
Polyphasenononononononononononononononononononononononononononononononononononono
Switch Current, A666666666666666666666666666666666666
Synchronousnononononononononononononononononononononononononononononononononononono
TopologyBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuckBuck
Vin Max, V252525252525252525252525252525252525252525252525252525252525252525252525
Vin Min, V555555555555555555555555555555555555
Vout Max, V21.521.521.521.521.521.521.521.521.521.521.521.521.521.521.521.521.521.521.521.521.521.521.521.521.521.521.521.521.521.521.521.521.521.521.521.5
Vout Maximum.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN.86VIN
Vout Min, V2.422.422.422.422.422.422.422.422.422.422.422.422.422.422.422.422.422.422.422.422.422.422.422.422.422.422.422.422.422.422.422.422.422.422.422.42
Vswitch Max, V383838383838383838383838383838383838383838383838383838383838383838383838

Eco Plan

LT1374CFE#PBFLT1374CFE#TRPBFLT1374CR#PBFLT1374CR#TRPBFLT1374CR-5#PBFLT1374CR-5#TRPBFLT1374CR-5SYNC#PBFLT1374CR-5Sync#TRPBFLT1374CR-SYNC#PBFLT1374CR-Sync#TRPBFLT1374CS8#PBFLT1374CS8#TRPBFLT1374CS8-5#PBFLT1374CS8-5#TRPBFLT1374CS8-5SYNC#PBFLT1374CS8-5Sync#TRPBFLT1374CS8-SYNC#PBFLT1374CS8-Sync#TRPBFLT1374CT7#PBFLT1374CT7-5#PBFLT1374IFE#PBFLT1374IFE#TRPBFLT1374IR#PBFLT1374IR#TRPBFLT1374IR-5#PBFLT1374IR-5#TRPBFLT1374IR-5SYNC#PBFLT1374IR-SYNC#PBFLT1374IS8#PBFLT1374IS8#TRPBFLT1374IS8-5#PBFLT1374IS8-5#TRPBFLT1374IS8-5SYNC#PBFLT1374IS8-SYNC#PBFLT1374IT7#PBFLT1374IT7-5#PBF
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

Other Options

LT1374HV

Application Notes

  • Linear Technology Magazine Circuit Collection, Volume IV &mdash AN84
    PDF, 2.4 Mb, File published: Apr 1, 2000
    Application Note 84 is a collection of "power circuits" from the years 1996 through 1998 as seen in the pages of Linear Technology magazine. This Application Note collects circuits that can output tens of amps to circuits that can operate a handheld device for several years. In addition to a wide variety of traditional power supply circuits (Buck, Boost, Inverting, Flyback, Linear Regulators, etc.) we include circuits for charging batteries, several Power Management circuits as well as circuits that highlight a very low noise switching regulator.
    Extract from the document

Design Notes

  • A High Efficiency 500kHz, 4.5A Step-Down Converter in an SO-8 Package &mdash DN181
    PDF, 80 Kb, File published: May 2, 1998
    Extract from the document

Model Line

Manufacturer's Classification

  • Power Management > Switching Regulator > SEPIC Regulators
  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > Internal Power Switch Buck
EMS supplier