Datasheet Linear Technology LTC4040

ManufacturerLinear Technology
SeriesLTC4040

2.5A Battery Backup Power Manager

Datasheets

Datasheet LTC4040
PDF, 1.4 Mb, Language: en, File uploaded: Oct 2, 2017, Pages: 26
2.5A Battery Backup Power Manager
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Prices

Packaging

LTC4040EUFD#PBFLTC4040EUFD#TRPBFLTC4040IUFD#PBFLTC4040IUFD#TRPBF
N1234
Package4x5 QFN-24
Package Outline Drawing
4x5 QFN-24
Package Outline Drawing
4x5 QFN-24
Package Outline Drawing
4x5 QFN-24
Package Outline Drawing
Package CodeUFDUFDUFDUFD
Package Index05-08-169605-08-169605-08-169605-08-1696
Pin Count24242424

Parametrics

Parameters / ModelsLTC4040EUFD#PBFLTC4040EUFD#TRPBFLTC4040IUFD#PBFLTC4040IUFD#TRPBF
Battery ChemistryLi-Ion, Li-Poly, LiFePO4Li-Ion, Li-Poly, LiFePO4Li-Ion, Li-Poly, LiFePO4Li-Ion, Li-Poly, LiFePO4
Boost Switch Current, A6.56.56.56.5
Buck Output Current, A2.52.52.52.5
Charge TerminationTimerTimerTimerTimer
Demo BoardsDC2118ADC2118ADC2118ADC2118A
Export Controlnononono
FeaturesAutomatic Backup Power SwitchoverAutomatic Backup Power SwitchoverAutomatic Backup Power SwitchoverAutomatic Backup Power Switchover
Float Voltage, V3.45V, 3.5V, 3.55V, 3.6V, 3.95V,4.0V,4.05V,4.1V3.45V, 3.5V, 3.55V, 3.6V, 3.95V,4.0V,4.05V,4.1V3.45V, 3.5V, 3.55V, 3.6V, 3.95V,4.0V,4.05V,4.1V3.45V, 3.5V, 3.55V, 3.6V, 3.95V,4.0V,4.05V,4.1V
Internal Pass Elementyesyesyesyes
Max Charge Current, A2.52.52.52.5
Number of Cells1111
Operating Temperature Range, °C0 to 850 to 85-40 to 85-40 to 85
Type of ChargerSwitchingSwitchingSwitchingSwitching
Vin Max, V5.55.55.55.5
Vin Min, V3.53.53.53.5

Eco Plan

LTC4040EUFD#PBFLTC4040EUFD#TRPBFLTC4040IUFD#PBFLTC4040IUFD#TRPBF
RoHSCompliantCompliantCompliantCompliant

Model Line

Manufacturer's Classification

  • Power Management > Battery Management > Battery Charger IC > Switching Battery Chargers
  • Power Management > Battery Management > Battery Backup