MB3790 Fujitsu Media Devices, MB3790 Datasheet - Page 9

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

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DataSheet
4
• DC characteristics
(Recommended operating conditions unless otherwise noted.)
All sections
Backup
Power
Supply
Section
Power
Supply
Monitoring
Section
U
.com
ELECTRICAL CHARACTERISTICS
Input current
Input/output voltage
difference
Output delay time
Input low voltage detection
Input low voltage hysteresis
width
Reset output voltage
Reset output voltage
during backup
Reset pulse width
Input pulse width
Reset output rise time
Reset output fall time
Reset output delay time
Parameter
V
V
BAT1
IN
= 0 V
= 3 V
I
DV
DV
t
V
V
DV
V
V
V
V
t
t
t
t
t
IN1
ro
PO
PI
rR
fR
pdR
Symbol
INL
INH
OHR
OLR
OHR
OLR
DataSheet4U.com
1
2
IN
I
I
I
C
V
Ta = – 30°C to + 70°C
V
Ta = – 30°C to + 70°C
V
I
I
I
I
C
C
C
V
OUT
OUT
OUT
OHR
OLR
OHR
OLR
IN
IN
INH
IN
O
T
T
L
= 100 pF
= 1000 pF
= 1000 pF
= 0.01 F, C
slew rate < 0.1 V/ s
= 5 mA
= 3 mA
= 0 mA
= 1 mA
= 200 mA
= 1 mA
= 0.2 mA
– V
Conditions
INL
T
= 0
4.10
4.05
4.20
4.15
Min
4.5
2.2
0.5
5.0
50
—
—
—
—
—
—
—
—
—
(V
Value
IN
4.20
4.20
4.30
4.30
Typ
100
100
0.5
2.0
4.8
0.2
2.6
0.2
1.0
2.0
0.2
2.0
50
—
= +5 V, Ta = +25 C)
MB3790
Max
4.30
4.35
4.40
4.45
100
300
150
0.4
0.4
2.0
3.0
1.0
10
10
10
—
—
—
(Continued)
Unit
mV
mV
mV
ms
V
V
V
V
V
V
V
V
A
s
s
s
s
s
9