MB3790 Datasheet, PDF (9/21 Pages) Fujitsu Component Limited. – Battery Backup IC

MB3790
s ELECTRICAL CHARACTERISTICS
• DC characteristics
(Recommended operating conditions unless otherwise noted.)
Parameter
All sections
Backup
Power
Supply
Section
Input current
Input/output voltage
difference
Output delay time
Symbol
Conditions
IIN1
IOUT = 0 mA
DV1
IOUT = 1 mA
DV2
IOUT = 200 mA
tro
CO = 0.01 µF, CT = 0
(VIN = +5 V, Ta = +25°C)
Value
Unit
Min. Typ. Max.
—
50 100 µA
— 0.5 10 mV
— 100 300 mV
— 2.0 10 µs
VINL
Input low voltage detection
VINH
Power
Supply
Monitoring
Section
Input low voltage hysteresis
width
DVIN
Reset output voltage
VOHR
VOLR
Reset output voltage
VOHR
during backup V IN = 0 V
VBAT1 = 3 V ^VOLR
Reset pulse width
tPO
Input pulse width
tPI
Reset output rise time
trR
Reset output fall time
tfR
Reset output delay time
tpdR
VIN
Ta = – 30°C to + 70°C
VIN
Ta = – 30°C to + 70°C
VINH – VINL
IOHR = 1 mA
IOLR = 5 mA
IOHR = 0.2 mA
IOLR = 3 mA
CT = 1000 pF
CT = 1000 pF
CL = 100 pF
VIN slew rate < 0.1 V/µs
4.10
4.05
4.20
4.15
50
4.5
—
2.2
—
0.5
5.0
—
—
—
4.20
4.20
4.30
4.30
100
4.8
0.2
2.6
0.2
1.0
—
2.0
0.2
2.0
4.30 V
4.35 V
4.40 V
4.45 V
150 mV
—V
0.4 V
—V
0.4 V
2.0 ms
— µs
3.0 µs
1.0 µs
10 µs
(Continued)
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