You can find it in the Tape & Reel (TR) package.It is contained in a package named SOT-23-5 Thin, TSOT-23-5.Mounting type Surface Mount matches the device.If you wish to ensure reliable performance, set the temperature to -40°C~85°C TA.In order to provide its functionality, this device uses an analog IC called POWER SUPPLY SUPPORT CIRCUIT.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 LTC4057.It contains 5 terminations, so that is how many there are.Total number of pins: 5.A maximum charging current of 800mA is recommended.Product functionality is dependent on 5 pins.It appears that there are 2 channels available at this time.There is a possibility that it can be powered by a 5V battery.An input voltage that is equal to 6.5V can be applied to it without any problem.4.2V output voltages can result in high efficiency.In order to operate, an output current of 500mA is used.It is capable of functioning at a voltage as low as possible, for example 4.25V voltage for this circuit is used.Input voltage is limited to 4.25V volts at the lowest.This device can accept up to 6.5V volts of input voltage.
LTC4057ES5-4.2#TRMPBF Features
2 channels SOT-23-5 Thin, TSOT-23-5 package
LTC4057ES5-4.2#TRMPBF Applications
There are a lot of Linear Technology/Analog Devices LTC4057ES5-4.2#TRMPBF Battery Chargers ICs applications.