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LM3620 Lithium-Ion Battery Charger Controller

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Description

LM3620 Lithium-Ion Battery Charger Controller June 1999 LM3620 Lithium-Ion Battery Charger Controller General .
The LM3620 series of controllers are monolithic integrated circuits designed to control the charging and end-of-charge control for lithium-ion recharg.

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Datasheet Specifications

Part number
LM3620
Manufacturer
National Semiconductor
File Size
139.58 KB
Datasheet
LM3620_NationalSemiconductor.pdf
Description
Lithium-Ion Battery Charger Controller

Features

* n n n n n n n Voltage options for charging 1 or 2 cell stacks Adjustable output voltage for coke or graphite anodes Precision end-of-charge voltage control Wide input voltage range (4V to 30V) Low off state current ( < 10nA) Drive provided for external power stage Tiny SOT-23 package Typical Applic

Applications

* Each version provides the option of selecting the appropriate termination voltage for either coke or graphite anode lithium cells. The LM3620 can operate from a wide range of DC input sources (4V to 30V). With no charger supply connected, the controller draws a quiescent current of only 10nA to min

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