MB3790 Fujitsu Media Devices, MB3790 Datasheet - Page 8

• Manufacturer Part Number: MB3790
• Description: Battery Backup IC
• Manufacturer: Fujitsu Media Devices

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DataSheet
8
4
MB3790
* : When mounted on a 4 cm-square double-side epoxy board.
WARNING: Semiconductor devices can be permanently damaged by application of stress (voltage, current,
WARNING: The recommended operating conditions are required in order to ensure the normal operation of the
U
Input voltage
Battery voltage
Reset output Voltage
Alarm output Voltage
Output current
Output high current
Output low current
Power dissipation
Storage temperature
Input voltage
Battery voltage
Output current
Output current during
battery backup
Operating temperature
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ABSOLUTE MAXIMUM RATINGS
RECOMMENDED OPERATING CONDITIONS
Parameter
Parameter
semiconductor device. All of the device’s electrical characteristics are warranted when the device is
operated within these ranges.
Always use semiconductor devices within their recommended operating condition ranges. Operation
outside these ranges may adversely affect reliability and could result in device failure.
No warranty is made with respect to uses, operating conditions, or combinations not represented on
the data sheet. Users considering application outside the listed conditions are advised to contact their
FUJITSU representatives beforehand.
temperature, etc.) in excess of absolute maximum ratings. Do not exceed these ratings.
V
V
V
V
I
I
I
P
Tstg
V
V
I
I
I
T
OUT
OH
OL
OUT
O(BAT1)
O(BAT2)
Symbol
Symbol
op
ALARM
IN
BAT
RESET
D
IN
BAT
Ta
Source current
secondary battery
+25 C
Supply from the
Supply from the
Conditions
Sink current
primary battery
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Conditions
—
—
—
—
TSSOP
SOP
– 0.3
– 0.3
Min
–30
–0.3
–0.3
Min
–55
—
—
—
—
0
Rating
Value
Typ
5.0
3.0
—
—
—
—
V
V
OUT
IN
+ 0.3 ( 6)
+ 0.3 ( 6)
+125
450*
540*
Max
250
6
6
6
6
Max
+70
200
500
5.5
3.3
50
(Ta = +25 C)
Unit
mA
Unit
mW
mW
mA
mA
mA
V
V
C
A
V
V
V
V
C