MB3878 Fujitsu Media Devices, MB3878 Datasheet - Page 16

• Manufacturer Part Number: MB3878
• Description: DC/DC Converter IC for Charging
• Manufacturer: Fujitsu Media Devices

16
MB3878
PROCESSING WITHOUT USE OF THE CS PIN
If the soft start function is not used, the CS terminal (pin 22) should be left 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
• When selecting the reverse current prevention diode, be sure to consider the reverse voltage (V
the battery.
current (I
R
) of the diode.
When no soft start time is specified.
21
20
19
VH
VCC(O)
OUT
VIN
CS
I1
22
Battery
A
R
S
B
Open
BATT
R
) and reverse