Datasheet Linear Technology LTC1731EMS8-8.4#PBF — 数据表

LTC1731-8.2/LTC1731-8.4
Lithium-Ion Linear
Battery Charger Controller
U FEATURES
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в–  DESCRIPTIO The LTC В®1731-8.2/LTC1731-8.4 are complete constantcurrent/constant-voltage linear charger controllers for 2cell lithium-ion (Li-Ion)batteries. Nickel-cadmium (NiCd)
and nickel-metal-hydride (NiMH) batteries can also be
charged with constant current using external termination. The external sense resistor sets the charge current
with 7% accuracy. An internal resistor divider and precision reference set the final float potential with 1% accuracy. The output float voltages are set internally to 8.2V
(LTC1731-8.2) or 8.4V (LTC1731-8.4). Complete Linear Charger Controller for
2-Cell Lithium-Ion Batteries
1% Voltage Accuracy
Programmable Charge Current
C/10 Charge Current Detection Output
Programmable Charge Termination Timer
Space Saving 8-Pin MSOP Package
Automatic Sleep Mode When Input Supply
is Removed (15ВµA Battery Drain) …