Datasheet Analog Devices LT3650EMSE-8.2#PBF — Ficha de datos

LT3650-8.2/LT3650-8.4
High Voltage 2 Amp
Monolithic 2-Cell
Li-Ion Battery Charger
Description Features Wide Input Voltage Range: 9V to 32V (40V Absolute
Maximum)
n Programmable Charge Current: Up to 2A
n User-Selectable Termination: C/10 or Onboard
Termination Timer
n Dynamic Charge Rate Programming/Soft-Start Pi Programmable Input Current Limit
n 1MHz Fixed Frequency
n Average Current Mode Control
n 0.5% Float Voltage Accuracy
n 5% Charge Current Accuracy
n 2.5% C/10 Detection Accuracy
n NTC Resistor Temperature Monitor
n Auto-Recharge at 97.5% Float Voltage
n Auto-Precondition at 2V. Typical Performance Characteristics 50
25
0
75
TEMPERATURE (°C) UNITS 22.5 Timer Accuracy –25 MAX
0.4 l Precondition Timeout –50 TYP 65 …