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LM3420 - 8.4-V Li-Ion Battery Charge Controller

Datasheet Summary

Description

The LM3420 series of controllers are monolithic integrated circuits designed for charging and end-ofcharge control for lithium-ion rechargeable batteries.

The LM3420 is available in an 8.4-V version for one through four cell charger applications.

Features

  • 1 Input Voltage Range: up to 20 V.
  • Voltage Options for Charging 1, 2, 3, or 4 Cells.
  • Output Current up to 15 mA.
  • Precision (0.5%) End-of-Charge Control.
  • LM3420 ±1%.
  • LM3420A ±0.5%.
  • Drive Capability for External Power Stage.
  • Temperature Drift Curvature Correction for Voltage Stability.
  • Low Quiescent Current, 85 μA (Typ. ).
  • Tiny SOT-23-5 package 2.

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Datasheet preview – LM3420

Datasheet Details

Part number LM3420
Manufacturer Texas Instruments
File Size 1.24 MB
Description 8.4-V Li-Ion Battery Charge Controller
Datasheet download datasheet LM3420 Datasheet
Additional preview pages of the LM3420 datasheet.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM3420 SNVS116E – MAY 1998 – REVISED DECEMBER 2014 LM3420 8.4-V Li-Ion Battery Charge Controller 1 Features •1 Input Voltage Range: up to 20 V • Voltage Options for Charging 1, 2, 3, or 4 Cells • Output Current up to 15 mA • Precision (0.5%) End-of-Charge Control – LM3420 ±1% – LM3420A ±0.5% • Drive Capability for External Power Stage • Temperature Drift Curvature Correction for Voltage Stability • Low Quiescent Current, 85 μA (Typ.
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