MB3878 Fujitsu Media Devices, MB3878 Datasheet - Page 16
MB3878
Manufacturer Part Number
MB3878
Description
DC/DC Converter IC for Charging
Manufacturer
Fujitsu Media Devices
Datasheet
1.MB3878.pdf
(24 pages)
- Current page: 16 of 24
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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
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