Datasheet Linear Technology LTC3770 — Ficha de datos

FabricanteLinear Technology
SerieLTC3770

Controlador síncrono reductor rápido sin RSENSE con margen, seguimiento y PLL

Hojas de datos

Datasheet LTC3770
PDF, 273 Kb, Idioma: en, Archivo subido: sept 23, 2017, Páginas: 24
Fast No RSENSE Step-Down Synchronous Controller with Margining, Tracking and PLL
Extracto del documento

Precios

Embalaje

LTC3770EG#PBFLTC3770EG#TRPBFLTC3770EUH#PBFLTC3770EUH#TRPBF
N1234
PackageSSOP-28
Dibujo del esquema del paquete
SSOP-28
Dibujo del esquema del paquete
5x5 QFN-32
Dibujo del esquema del paquete
5x5 QFN-32
Dibujo del esquema del paquete
Package CodeGGUHUH
Package Index05-08-1640 (G28)05-08-1640 (G28)05-08-169305-08-1693
Pin Count28283232

Paramétricos

Parameters / ModelsLTC3770EG#PBFLTC3770EG#TRPBFLTC3770EUH#PBFLTC3770EUH#TRPBF
ArchitectureConstant On-Time Valley Current ModeConstant On-Time Valley Current ModeConstant On-Time Valley Current ModeConstant On-Time Valley Current Mode
Demo BoardsDC774ADC774ADC774ADC774A
Design ToolsLTspice FileLTspice FileLTspice FileLTspice File
Export Controlnononono
FeaturesNo Rsense, Margining, Tracking, External Synchronization, PLL, Power GoodNo Rsense, Margining, Tracking, External Synchronization, PLL, Power GoodNo Rsense, Margining, Tracking, External Synchronization, PLL, Power GoodNo Rsense, Margining, Tracking, External Synchronization, PLL, Power Good
Frequency Sync RangeUp to 1MHzUp to 1MHzUp to 1MHzUp to 1MHz
Integrated Inductornononono
Ishutdown, µA30303030
Isupply, mA1.31.31.31.3
Max Phases1111
Monolithicnononono
Number of Outputs1111
Operating Temperature Range, °C0 to 850 to 850 to 850 to 85
Output Current, A15151515
Polyphasenononono
Sense ResistorNoneNoneNoneNone
Switch Current, A15151515
Synchronousyesyesyesyes
TopologyBuckBuckBuckBuck
Vin Max, V32323232
Vin Min, V4444
Vout Max, V28.828.828.828.8
Vout Maximum0.9Vin0.9Vin0.9Vin0.9Vin
Vout Min, V0.60.60.60.6
Vref Accuracy Over Temp, %0.670.670.670.67

Plan ecológico

LTC3770EG#PBFLTC3770EG#TRPBFLTC3770EUH#PBFLTC3770EUH#TRPBF
RoHSObedienteObedienteObedienteObediente

Notas de Diseño

  • High Accuracy Synchronous Step-Down Controller Provides Output Tracking and Programmable Margining &mdash DN364
    PDF, 97 Kb, Archivo publicado: abr 11, 2005
    Extracto del documento

Linea modelo

Clasificación del fabricante

  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > External Power Switch Buck Controllers