MB3875 Datasheet, PDF (18/27 Pages) Fujitsu Component Limited. – DC/DC Converter IC for Charging

MB3875/MB3877
s NOTE ON AN EXTERNAL REVERSE-CURRENTPREVENTIVE DIODE
Insert a reverse-current preventive diode (D) at one of the three locations marked * to prevent reverse current
from the battery.
Pay attention to the voltage/current characteristics of the reverse-current preventive diode (D) not to let it exceed
the overcharge stop voltage.
VCC(O)
21
OUT
20
VH
19
VIN
(16 V/19 V)
D
∗
AB
D
∗
I1
BATT
RS ^{12.6 V/16.8 V}
∗
D
Battery 1
18