MB3878 Datasheet, PDF (16/24 Pages) Fujitsu Component Limited. – DC/DC Converter IC for Charging

MB3878
s PROCESSING WITHOUT USE OF THE CS PIN
If the soft start function is not used, the CS terminal (pin 22) should be left open.
CS ²²
Open
When no soft start time is specified.
s NOTE ON AN EXTERNAL REVERSE-CURRENT PREVENTIVE DIODE
• Insert a reverse-current preventive diode at one of the three locations marked * to prevent reverse current from
the battery.
• When selecting the reverse current prevention diode, be sure to consider the reverse voltage (VR) and reverse
current (IR) of the diode.
VCC(O)
21
OUT
20
VH
19
VIN
∗
AB
∗ ^I1
RS ^BATT
∗
Battery
16