Datasheet Linear Technology LTC4070IDDB#TRPBF

LTC4070
Li-Ion/Polymer Shunt
Battery Charger System
Features Low Operating Current (450nA)
n 1% Float Voltage Accuracy Over Full Temperature
and Shunt Current Range
n 50mA Maximum Internal Shunt Current
(500mA with External PFET)
n Pin Selectable Float Voltage Options:
4.0V, 4.1V, 4.2V
n Ultralow Power Pulsed NTC Float Conditioning for
Li-Ion/Polymer Protectio Suitable for Intermittent, Continuous and Very Low
Power Charging Sources
n Low and High Battery Status Outputs
n Simple Low Voltage Load Disconnect Applicatio Thermally Enhanced, Low Profile (0.75mm)
8-Lead (2mm Г— 3mm) DFN and MSOP Packages
n Applications n n n n Low Power Li-Ion/Polymer Battery Back-Up
Solar Power Systems with Back-Up
Memory Back-Up
Embedded Automotive
Thin Film Batteries
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