Datasheet Linear Technology LT8645S — Datenblatt

HerstellerLinear Technology
SerieLT8645S

65V, 8A Synchroner Step-Down Silent Switcher 2 mit 2,5µA Ruhestrom

Datenblätter

Datasheet LT8645S, LT8646S
PDF, 457 Kb, Sprache: en, Datei hochgeladen: Mar 27, 2018, Seiten: 30
65V, 8A Synchronous Step-Down Silent Switcher 2 with 2.5μA Quiescent Current
Auszug aus dem Dokument

Preise

Verpackung

LT8645SEV#PBFLT8645SIV#PBF
N12
Package6mm × 4mm × 0.94mm LQFN
Paketumrisszeichnung
6mm × 4mm × 0.94mm LQFN
Paketumrisszeichnung
Package CodeLQFNLQFN
Package Index05-08-151205-08-1512
Pin Count3232

Parameter

Parameters / ModelsLT8645SEV#PBFLT8645SIV#PBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC2468ADC2468A
Design ToolsLTspice ModelLTspice Model
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, kHz22002200
Frequency Adjust Range200kHz to 2.2MHz200kHz to 2.2MHz
Frequency Sync Range200kHz to 2.2MHz200kHz to 2.2MHz
Integrated Inductornono
Ishutdown, µA0.750.75
Isupply, mA0.00170.0017
Max Phases11
Monolithicyesyes
Number of Outputs11
Operating Temperature Range, °C0 to 85-40 to 85
Output Current, A88
Polyphasenono
Switch Current, A1414
Synchronousyesyes
TopologyBuckBuck
Topology 1BuckBuck
Vin Max, V6565
Vin Min, V3.43.4
Vin Min Startup, V3.43.4
Vout Max, V64.3564.35
Vout Maximum0.99Vin0.99Vin
Vout Min, V0.970.97
Vref Accuracy Over Temp, %0.60.6

Öko-Plan

LT8645SEV#PBFLT8645SIV#PBF
RoHSCompliantCompliant

Andere Optionen

LT8646S

Modellreihe

Serie: LT8645S (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
Verwandte Veröffentlichungen