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Datasheet Linear Technology LTC3128

ManufacturerLinear Technology
SeriesLTC3128

3A Monolithic Buck-Boost Supercapacitor Charger and Balancer with Accurate Input Current Limit

Datasheets

  • Download » Datasheet, PDF, 520 Kb, Revision: F
    LTC3128 - 3A Monolithic Buck-Boost Supercapacitor Charger and Balancer with Accurate Input Current Limit
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    LTC3128
    3A Monolithic Buck-Boost
    Supercapacitor Charger and
    Balancer with Accurate Input Current Limit
    FEATURES DESCRIPTION ±2% Accurate Average Input Current Limit
    Programmable Up to 3A
    n Programmable Maximum Capacitor Voltage Limit
    n Active Charge Balancing for Fast Charging of
    Unmatched Capacitors
    n Charges Single or Stacked Capacitors
    n V Range: 1.73V to 5.5V
    IN
    n V
    OUT Range: 1.8V to 5.5V
    n <2µA Quiescent Current from V
    OUT When Charged
    n Output Disconnect in Shutdown: <1µA I Shutdown
    Q
    n Power-Good Comparator
    n Power Failure Indicator
    n Thermally Enhanced 20-Lead (4mm × 5mm × 0.75mm)
    QFN and 24-Lead TSSOP Packages The LTC®3128 is a highly efficient, buck-boost DC/DC
    supercapacitor charger. It operates efficiently from input ...

Prices

Packaging

LTC3128EFE#PBFLTC3128EFE#TRPBFLTC3128EUFD#PBFLTC3128EUFD#TRPBFLTC3128IFE#PBFLTC3128IFE#TRPBFLTC3128IUFD#PBFLTC3128IUFD#TRPBF
PackageTSSOP-24TSSOP-244x5 QFN-204x5 QFN-20TSSOP-24TSSOP-244x5 QFN-204x5 QFN-20
Package CodeFEFEUFDUFDFEFEUFDUFD

Parametrics

LTC3128EFE#PBFLTC3128EFE#TRPBFLTC3128EUFD#PBFLTC3128EUFD#TRPBFLTC3128IFE#PBFLTC3128IFE#TRPBFLTC3128IUFD#PBFLTC3128IUFD#TRPBF
Demo BoardsDC1887ADC1887ADC1887ADC1887ADC1887ADC1887ADC1887ADC1887A
Design ToolsLTspice ModelLTspice ModelLTspice ModelLTspice ModelLTspice ModelLTspice ModelLTspice ModelLTspice Model
Export Control, yes/nonononononononono
FeaturesProgrammable Current Limit, Burst Mode, Active Charge Balancing, Output Disconnect, Power GoodProgrammable Current Limit, Burst Mode, Active Charge Balancing, Output Disconnect, Power GoodProgrammable Current Limit, Burst Mode, Active Charge Balancing, Output Disconnect, Power GoodProgrammable Current Limit, Burst Mode, Active Charge Balancing, Output Disconnect, Power GoodProgrammable Current Limit, Burst Mode, Active Charge Balancing, Output Disconnect, Power GoodProgrammable Current Limit, Burst Mode, Active Charge Balancing, Output Disconnect, Power GoodProgrammable Current Limit, Burst Mode, Active Charge Balancing, Output Disconnect, Power GoodProgrammable Current Limit, Burst Mode, Active Charge Balancing, Output Disconnect, Power Good
Ishutdown, A22222222
Isupply, mA0.60.60.60.60.60.60.60.6
Operating Temperature Range, °C0 to 850 to 850 to 850 to 85-40 to 85-40 to 85-40 to 85-40 to 85
Output Current, A33333333
Supercaps In Series22222222
TopologyBuck-BoostBuck-BoostBuck-BoostBuck-BoostBuck-BoostBuck-BoostBuck-BoostBuck-Boost
Vin Max, V5.55.55.55.55.55.55.55.5
Vin Min, V1.731.731.731.731.731.731.731.73
Vout Max, V5.55.55.55.55.55.55.55.5
Vout Maximum5.5V5.5V5.5V5.5V5.5V5.5V5.5V5.5V

Eco Plan

Moldel Line

Series: LTC3128 (8)

Manufacturer's Classification

  • Power Management > Supercapacitor Chargers

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