FUJITSU MB3887 - Manual (Page 23)

MB3887
23
■ PROCESSING WITHOUT USING OF THE CS TERMINAL
When soft-start function is not used, leave the CS terminal (pin 22) open.
■ 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 (V
R
) and reverse
current (I
R
) of the diode.
22
CS
“Open”
Connection when soft-start time is not specified
VCC(O)
OUT
VIN
VH
I1
R S
BATT
Battery
A B
∗
∗
∗
21
20
19