Datasheet Linear Technology LTC4121

ManufacturerLinear Technology
SeriesLTC4121

40V 400mA Synchronous Step-Down Battery Charger

Datasheets

Datasheet LTC4121, LTC4121-4.2
PDF, 383 Kb, Language: en, File uploaded: Sep 30, 2017, Pages: 30
40V 400mA Synchronous Step-Down Battery Charger
Extract from the document

Prices

Packaging

LTC4121EUD#PBFLTC4121EUD#TRPBFLTC4121IUD#PBFLTC4121IUD#TRPBF
N1234
Package3x3 QFN-16
Package Outline Drawing
3x3 QFN-16
Package Outline Drawing
3x3 QFN-16
Package Outline Drawing
3x3 QFN-16
Package Outline Drawing
Package CodeUDUDUDUD
Package Index05-08-169105-08-169105-08-169105-08-1691
Pin Count16161616

Parametrics

Parameters / ModelsLTC4121EUD#PBFLTC4121EUD#TRPBFLTC4121IUD#PBFLTC4121IUD#TRPBF
Battery ChemistryLi-Ion, Li-Polymer, LiFePO4, Lead AcidLi-Ion, Li-Polymer, LiFePO4, Lead AcidLi-Ion, Li-Polymer, LiFePO4, Lead AcidLi-Ion, Li-Polymer, LiFePO4, Lead Acid
Buck Output Current, A400mA400mA400mA400mA
Charge TerminationTimerTimerTimerTimer
Demo BoardsDC1977A-A,DC1977A-BDC1977A-A,DC1977A-BDC1977A-A,DC1977A-BDC1977A-A,DC1977A-B
Export Controlnononono
FeaturesMaximum Power Point Tracking (Sampled Voc)Maximum Power Point Tracking (Sampled Voc)Maximum Power Point Tracking (Sampled Voc)Maximum Power Point Tracking (Sampled Voc)
Float Voltage, VUp to 18VUp to 18VUp to 18VUp to 18V
Max Charge Current, A0.40.40.40.4
Number of CellsUp to 18V Battery VoltageUp to 18V Battery VoltageUp to 18V Battery VoltageUp to 18V Battery Voltage
Operating Temperature Range, °C0 to 850 to 85-40 to 85-40 to 85
Type of ChargerSwitchingSwitchingSwitchingSwitching
Vin Max, V40404040
Vin Min, V4.44.44.44.4

Eco Plan

LTC4121EUD#PBFLTC4121EUD#TRPBFLTC4121IUD#PBFLTC4121IUD#TRPBF
RoHSCompliantCompliantCompliantCompliant

Other Options

LTC4121-4.2 LTC4121-4.2

Model Line

Manufacturer's Classification

  • Power Management > Battery Management > Battery Charger IC > Switching Battery Chargers
  • Power Management > Energy Harvesting
EMS supplier