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Battery Chargers

Description
New High-Frequency Switch-mode Li-Ion battery charger simplifies constant current control in quick-charge portables. The ADP3806 is a stand-alone Li-Ion battery-charging IC that combines high output voltage accuracy with precise current control to improve the performance and reduce the design complexity of Constant-Current, Constant-Voltage (CCCV) chargers. The industryâ??s highest end-of-voltage accuracy levels are achieved to within ±0.4% at 25ºC, ±0.6% at 5ºC to 55ºC and ±0.7% at 0ºC to 85ºC.
   

Part#Switching/Linear# Cells ChargedCell TypeVin (V)Final Voltage OptionsSupply CurrentTemp Range Package
Sort Parameter:                
ADP2291Linear1Li-Ion4.5V to 12V4.29-40 to +85 °CLFCSP-8; MSOP-8
ADP3806Switchingn/aLi-Ion1612.525; 12.6; 16.7; 16.8; Adjustable80 to +100°C TSSOP-24
ADP3820Linear1Li-Ion4.5 to 154.1; 4.2630-20 to 85 °CSOIC-8; SOT23-6