Datasheet Analog Devices LT3650EMSE-4.2#PBF — 数据表

LT3650-4.1/LT3650-4.2
High Voltage 2 Amp
Monolithic Li-Ion Battery Charger
Features Description Wide Input Voltage Range: 4.75V 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 No V Blocking Diode Required
IN
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 …