Datasheet Linear Technology LTC3857IGN-1#PBF — Ficha de datos

FabricanteLinear Technology
SerieLTC3857-1
Numero de parteLTC3857IGN-1#PBF

Controlador reductor síncrono bifásico dual I Q , dual

Hojas de datos

Datasheet LTC3857-1
PDF, 434 Kb, Idioma: en, Archivo subido: sept 23, 2017, Páginas: 38
Low IQ, Dual, 2-Phase Synchronous Step-Down Controller
Extracto del documento

Precios

Embalaje

PackageSSOP-28
Package CodeGN
Package Index05-08-1641 (GN28)

Paramétricos

ArchitectureConstant Frequency Current Mode
Demo BoardsDC1352A-A
Design ToolsLTspice Model,LTpowerCAD File
Export Controlno
FeaturesBurst Mode, DCR Current Sense, Resistor Set Frequency, External Synchronization, Power Good
Frequency850 kHz
Frequency Adjust Range50kHz - 900kHz
Frequency Sync Range75kHz - 850kHz
Integrated Inductorno
Ishutdown0.01 µA
Isupply0.05 mA
Max Phases2
Monolithicno
Number of Outputs2
Operating Temperature Range-40 to 85 °C
Output Current25 A
Output Current 225 A
Over Voltage Protection40 V
Polyphaseyes
Sense ResistorRsense, DCR
Switch Current25 A
Switch Current 225 A
Synchronousyes
TopologyBuck
Topology 1Buck
Topology 2Buck
Vin Max38 V
Vin Min4 V
Vout Max24 V
Vout Maximum24V
Vout Min0.8 V
Vout Min 2.8 V
Vref Accuracy Over Temp1 %

Plan ecológico

RoHSObediente

Linea modelo

Clasificación del fabricante

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

Otros nombres:

LTC3857IGN-1PBF, LTC3857IGN-1 PBF, LTC3857IGN1#PBF, LTC3857IGN 1#PBF