Datasheet Linear Technology LT8650S

ManufacturerLinear Technology
SeriesLT8650S

Dual Channel 4A, 42V, Synchronous Step-Down Silent Switcher 2 with 6.2µA Quiescent Current

Datasheets

LT8650S - Dual Channel 4A, 42V, Synchronous Step-Down Silent Switcher 2 with 6.2µA Quiescent Current
PDF, 1.5 Mb, File uploaded: Oct 20, 2017
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Prices

Packaging

LT8650SEV#PBFLT8650SIV#PBF
N12
Package6mm × 4mm × 0.94mm LQFN
Package Outline Drawing
6mm × 4mm × 0.94mm LQFN
Package Outline Drawing
Package CodeLQFNLQFN
Package Index05-08-166505-08-1665
Pin Count3232

Parametrics

Parameters / ModelsLT8650SEV#PBFLT8650SIV#PBF
ArchitectureConstant Frequency Peak Current ModeConstant Frequency Peak Current Mode
Demo BoardsDC2407ADC2407A
Design ToolsLTspice File,LTpowerCAD ModelLTspice File,LTpowerCAD Model
Export Controlnono
FeaturesLow EMI, Silent Switcher 2 Architecture, Burst Mode, Resistor Set Frequency, External Synchronization, PolyPhaseLow EMI, Silent Switcher 2 Architecture, Burst Mode, Resistor Set Frequency, External Synchronization, PolyPhase
Frequency, kHz30003000
Frequency Adjust Range300kHz - 3MHz300kHz - 3MHz
Frequency Sync Range300kHz - 3MHz300kHz - 3MHz
Integrated Inductornono
Ishutdown, µA1.71.7
Isupply, mA0.00370.0037
Max Phases22
Monolithicyesyes
Number of Outputs22
Operating Temperature Range, °C0 to 85-40 to 85
Output Current, A44
Output Current 2, A44
Polyphaseyesyes
Switch Current, A8.58.5
Switch Current 2, A8.58.5
Synchronousyesyes
TopologyBuckBuck
Topology 1BuckBuck
Topology 2BuckBuck
Vin Max, V4242
Vin Min, V33
Vout Max, V41.5841.58
Vout Max 2, V41.5841.58
Vout Maximum0.99Vin0.99Vin
Vout Min, V0.80.8
Vout Min 2, V0.80.8
Vref Accuracy Over Temp, %1.251.25

Eco Plan

LT8650SEV#PBFLT8650SIV#PBF
RoHSCompliantCompliant

Design Notes

  • Dual Channel 42V, 4A Monolithic Synchronous Step-Down Silent Switcher 2 with 6.2ОјA Quiescent Current &mdash DN1044
    PDF, 403 Kb, File published: Nov 14, 2017
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Articles

  • High Power Monolithic Silent Switcher 2 Regulators Meet CISPR 25 Class 5 EMI, Fit Tight Spaces &mdash LT Journal
    PDF, 3.5 Mb, File published: Jan 3, 2018
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Model Line

Series: LT8650S (2)

Manufacturer's Classification

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