Datasheet Linear Technology LTC3838EUHF#PBF — Ficha de datos

FabricanteLinear Technology
SerieLTC3838
Numero de parteLTC3838EUHF#PBF

Controlador de CC / CC doble, rápido y preciso, con detección de salida diferencial

Hojas de datos

Datasheet LTC3838
PDF, 746 Kb, Idioma: en, Archivo subido: sept 23, 2017, Páginas: 54
Dual, Fast, Accurate Step- Down DC/DC Controller with Differential Output Sensing
Extracto del documento

Precios

Embalaje

Package5x7 QFN-38
Package CodeUHF
Package Index05-08-1701

Paramétricos

ArchitectureControlled On-Time Valley Current Mode
Demo BoardsDC1626A-A,DC1626A-B,DC1801A-A,DC1801A-B
Design ToolsLTspice File,LTpowerCAD File
Export Controlno
FeaturesDifferential Remote Sense, External Synchronization, Resistor Set Frequency, DCR Current Sense, Power Good, Tracking
Frequency2000 kHz
Frequency Adjust Range200kHz to 2MHz
Frequency Sync Range200kHz to 2MHz
Integrated Inductorno
Ishutdown15 µA
Isupply3 mA
Max Phases2
Monolithicno
Number of Outputs2
Operating Temperature Range0 to 85 °C
Output Current30 A
Output Current 230 A
Polyphaseyes
Sense ResistorRsense, DCR
Switch Current30 A
Switch Current 230 A
Synchronousyes
TopologyBuck
Topology 1Buck
Topology 2Buck
Vin Max38 V
Vin Min4.5 V
Vout Max5.5 V
Vout Maximum5.5V
Vout Min0.6 V
Vout Min 20.6 V
Vref Accuracy Over Temp0.67 %

Plan ecológico

RoHSObediente

Notas de aplicación

  • Modeling and Loop Compensation Design of Switching Mode Power Supplies &mdash AN149
    PDF, 1.4 Mb, Archivo publicado: marzo 23, 2015
    Extracto del documento

Notas de Diseño

  • Dual Controller Provides 2Ојs Step Response and 92% Efficiency for 1.5V Rails &mdash DN505
    PDF, 111 Kb, Archivo publicado: abr 3, 2012
    Extracto del documento

Artículos

  • 2MHz Dual DC/DC Controller Halves Settling Time of Load Release Transients, Features 0.67% Differential VOUT Accuracy and Is Primed for High Step-Down Ratios &mdash LT Journal
    PDF, 2.7 Mb, Archivo publicado: abr 24, 2012
    Extracto del documento
  • Dual, Fast, Step-Down Controller's External Reference Input Enables Dynamic Voltage Scaling from 0.4V to 5.5V and 0.3% Total Combined Regulation Accuracy &mdash LT Journal
    PDF, 2.8 Mb, Archivo publicado: abr 10, 2013
    Extracto del documento

Linea modelo

Clasificación del fabricante

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

Otros nombres:

LTC3838EUHFPBF, LTC3838EUHF PBF