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Partname:ADP3806JRU-12.6
Description:0.3-25V; high frequency switch mode Li-Ion battery charger. For portable computers, fast chargers
Manufacturer:Analog Devices
Package:TSSOP
Pins:24
Datasheet:PDF (203K).
Click here to download *)

The ADP3806 is a complete Li-Ion battery-charging IC. The device combines high output voltage accuracy with constant current control to simplify the implementation of ConstantCurrent, Constant-Voltage (CCCV) chargers. The ADP3806 is available in three options. The ADP3806-12.6 guarantees the final battery voltage be selected to 12.6 V or 16.8 V 0.6%, the ADP3806-12.5 guarantees 12.525 V/16.7 V 0.6% and the ADP3806 is adjustable using two external resistors to set the battery voltage. The current sense amplifier has rail-to-rail inputs to accurately operate under low drop out and short circuit conditions. The charge current is programmable with a dc voltage on ISET. A second differential amplifier senses the system current across an external sense resistor and outputs a linear voltage on the ISYS pin. The bootstrapped synchronous driver allows the use of two NMOS transistors for lower system cost.

Click here to download ADP3806JRU-12.6 Datasheet
Click here to download ADP3806JRU-12.6 Datasheet
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