You can find it in the Tube package.It is contained in a package named 20-WFQFN Exposed Pad.Mounting type Surface Mount matches the device.If you wish to ensure reliable performance, set the temperature to -40°C~125°C TA.In order to provide its functionality, this device uses an analog IC called BATTERY CHARGE CONTROLLER.It is necessary to supply the device with Constant - Programmable current in order to charge it.There are related parts for this device under the base part number LTC4009.It contains 20 terminations, so that is how many there are.Batteries pack have 16.8V.Total number of pins: 20.Product functionality is dependent on 20 pins.An input voltage that is equal to 28V can be applied to it without any problem.28V output voltages can result in high efficiency.It is capable of functioning at a voltage as low as possible, for example 6V voltage for this circuit is used.Input voltage is limited to 6V volts at the lowest.It can be seen that the device has an input voltage of 20V.This device can accept up to 28V volts of input voltage.Additionally, ALSO OPERATES IN ADJUSTABLE MODE FROM 2V TO 28V can be generated by the device.It is most common to find parts with 633kHz switching frequencies.
LTC4009IUF#PBF Features
Battery pack voltage of 16.8V Addtional features of ALSO OPERATES IN ADJUSTABLE MODE FROM 2V TO 28V 20-WFQFN Exposed Pad package
LTC4009IUF#PBF Applications
There are a lot of Linear Technology/Analog Devices LTC4009IUF#PBF Battery Chargers ICs applications.