Datasheet Linear Technology LT8643S — Datenblatt

HerstellerLinear Technology
SerieLT8643S

42 V, 6 A Synchronous Step-Down Silent Switcher 2 mit 2,5 µA Ruhestrom

Datenblätter

Datasheet LT8640S, LT8643S
PDF, 2.3 Mb, Sprache: en, Datei hochgeladen: Sep 20, 2017, Seiten: 30
42V, 6A Synchronous Step-Down Silent Switcher 2 with 2.5µA Quiescent Current
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Preise

Verpackung

LT8643SEV#PBFLT8643SIV#PBF
N12
Package4mm × 4mm × 0.94mm LQFN
Paketumrisszeichnung
4mm × 4mm × 0.94mm LQFN
Paketumrisszeichnung
Package CodeLQFNLQFN
Package Index05-08-151105-08-1511
Pin Count2424

Parameter

Parameters / ModelsLT8643SEV#PBFLT8643SIV#PBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC2658ADC2658A
Design ToolsLTspice Model,LTpowerCAD FileLTspice Model,LTpowerCAD File
Export Controlnono
FeaturesLow EMI, Silent Switcher 2 Architecture, Internal Bypass Caps, Resistor Set Frequency, External Synchronization, Burst Mode, Tracking, Power GoodLow EMI, Silent Switcher 2 Architecture, Internal Bypass Caps, Resistor Set Frequency, External Synchronization, Burst Mode, Tracking, Power Good
Frequency, kHz30003000
Frequency Adjust Range200kHz - 3MHz200kHz - 3MHz
Frequency Sync Range200kHz - 3MHz200kHz - 3MHz
Integrated Inductornono
Ishutdown, µA1.71.7
Isupply, mA0.0210.021
Max Phases11
Monolithicyesyes
Number of Outputs11
Operating Temperature Range, °C0 to 85-40 to 85
Output Current, A66
Polyphasenono
Switch Current, A1010
Synchronousyesyes
TopologyBuckBuck
Topology 1BuckBuck
Vin Max, V4242
Vin Min, V3.43.4
Vin Min Startup, V3.43.4
Vout Max, V41.5841.58
Vout Maximum0.99Vin0.99Vin
Vout Min, V0.970.97
Vref Accuracy Over Temp, %1.231.23

Öko-Plan

LT8643SEV#PBFLT8643SIV#PBF
RoHSCompliantCompliant

Andere Optionen

LT8640S LT8640S

Modellreihe

Serie: LT8643S (2)

Herstellerklassifikation

  • Power Management > Switching Regulator > Ultralow Noise Regulators
  • Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck | High Input Voltage Buck
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