LTC4001 Datasheet, PDF (17/20 Pages) Linear Technology – 2A Synchronous Buck Li-Ion Charger

APPLICATIO S I FOR ATIO
4
3
2
1
0
0 2 4 6 8 10 12 14 16 18 20 22 24
TIME (ms)
500
250
0
0 2 4 6 8 10 12 14 16 18 20 22 24
TIME (ms)
PWM
CHARGE
LTC4001
TRICKLE
CHARGE
0 2 4 6 8 10 12 14 16 18 20 22 24
TIME (ms)
4001 F07
Figure 7. Battery-Less Start-Up
4001f
17