Processing without use of the cs pin, Mb3878 – FUJITSU MB3878 User Manual
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MB3878
16
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PROCESSING WITHOUT USE OF THE CS PIN
If the soft-start function is not used, the CS terminal (pin 22) should be left open.
When no soft-start time is specified.
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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
VCC(O)
OUT
VIN
VH
I1
R
S
BATT
Battery
A
B
∗
∗
∗
21
20
19