Datasheet Details
Part number:
LM3622, LM3
Manufacturer:
National Semiconductor
File Size:
171.04 KB
Description:
Lithium-ion battery charger controller.
Note:
This datasheet PDF includes multiple part numbers: LM3622, LM3.
Please refer to the document for exact specifications by model.
LM3622, LM3, Lithium-Ion Battery Charger Controller
The LM3622 is a charge controller for Lithium-Ion batteries.
This monolithic integrated circuit accurately controls an external pass transistor for precision Lithium-Ion battery charging.
The LM3622 provides a constant voltage or constant current (CVCC) configuration that changes, as necessary, to o
LM3622 Features
* n Versions for charging of 1 cell (4.1V or 4.2V) or 2 cells (8.2V or 8.4V) n Versions for coke or graphite anode n Precision ( ± 30mV/cell) end-of-charge control n Wide input range: 4.5V-24V n Low battery drain leakage: 200nA n 15 mA available to drive low cost PNP Applications n Cellular phone cra
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