Datasheet Linear Technology LTC4098EUDC-3.6#TRPBF — Ficha de datos

LTC4098-3.6
USB Compatible Switching
Power Manager/LiFePO4 Charger
with Overvoltage Protection
DESCRIPTION FEATURES Switching Regulator with Bat-TrackTM Adaptive
Output Control Makes Optimal Use of Limited
Power Available from USB Port to Charge Battery
and Power Applicatio Charge Control Algorithm Specifically Designed
for LiFePO4 (Lithium Iron Phosphate)
n Overvoltage Protection Guards Against Damage
n Bat-Track External Step-Down Switching Regulator
Control Maximizes Efficiency from Automotive,
Firewire and Other High Voltage Input Sources
n 180mО© Internal Ideal Diode Plus External Ideal Diode
Controller Seamlessly Provide Low Loss PowerPathTM
When Input Power Is Limited or Unavailable
n Preset 3.6V Charge Voltage with 0.5% Accuracy
n Instant-On Operation with Discharged Battery
n 700mA Maximum Load Current from USB Port
n 2A Maximum Input Current from Internal Switching
Regulator
n 1.5A Maximum Charge Current with Thermal Limiting
n 20-Lead 3mm Г— 4mm Г— 0.75mm QFN Package …