Datasheet Linear Technology LT8609S

ManufacturerLinear Technology
SeriesLT8609S

42V, 2A/3A Peak Synchronous Step-Down Regulator with 2.5µA Quiescent Current

Datasheets

LT8609S: 42V, 2A/3A Peak Synchronous Step-Down Regulator with 2.5µA Quiescent Current Data Sheet
PDF, 1.5 Mb, File uploaded: Sep 19, 2017
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Packaging

LT8609SEV#PBFLT8609SIV#PBF
N12
Package3mm × 3mm × 0.94mm LQFN
Package Outline Drawing
3mm × 3mm × 0.94mm LQFN
Package Outline Drawing
Package CodeLQFNLQFN
Package Index05-08-151605-08-1516
Pin Count1616

Parametrics

Parameters / ModelsLT8609SEV#PBFLT8609SIV#PBF
ArchitectureConstant Frequency Current ModeConstant Frequency Current Mode
Demo BoardsDC2522ADC2522A
Design ToolsLTspice File,LTpowerCAD FileLTspice File,LTpowerCAD File
Export Controlnono
FeaturesLow EMI, Silent Switcher 2 Architecture, Internal Capacitors, External Synchronization, Resistor Set Frequency, Burst Mode, Low EMI, Spread Spectrum, Power GoodLow EMI, Silent Switcher 2 Architecture, Internal Capacitors, External Synchronization, Resistor Set Frequency, Burst Mode, Low EMI, Spread Spectrum, 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, µA11
Isupply, mA0.00170.0017
Monolithicyesyes
Number of Outputs11
Operating Temperature Range, °C0 to 85-40 to 85
Output Current, A22
Polyphasenono
Switch Current, A4.754.75
Synchronousyesyes
TopologyBuckBuck
Topology 1BuckBuck
Vin Max, V4242
Vin Min, V3.03.0
Vin Min Startup, V3.03.0
Vout Max, V41.5841.58
Vout Maximum0.99VIn0.99VIn
Vout Min, V0.7740.774
Vref Accuracy Over Temp, %0.50.5

Eco Plan

LT8609SEV#PBFLT8609SIV#PBF
RoHSCompliantCompliant

Model Line

Series: LT8609S (2)

Manufacturer's Classification

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