Epson S1F76980, Техническое руководство

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9. ELECTRICAL CHARACTERISTICS
S1F76980 Technical Manual (Rev.1.0) EPSON 21
9.3.4 V
BAT
Voltage Monitoring Circuit Characteristics
S1F76980F0A, S1F7698F0B, S1F7698F0C T
a
=25
°
C unless otherwise specified
Standard value
Item Symbol
Min. Typ. Max.
Unit Conditions
Detecting voltage -BDET
×
0.97
Set
voltage
×
1.03 V
Release voltage +BDET
×
0.97
Set
voltage
×
1.03 V
- 2.25 - V S1F76980F0A
Output guarantee voltage VHIZ
- 1.15 - V S1F76980F0B, S1F76980F0C
Output current IBDET 0.9 1.6 - mA
Nch open drain output,
V
BAT
=6V, BDET=1.5V
- 0.19 0.38 ms
Nch open drain output,
(Note 32), (Note 27),
S1F7698F0A
TPLHB
- 0.13 0.26 ms
Nch open drain output,
(Note 32), (Note 28),
S1F7698F0B, S1F7698F0C
0.85 1.70 3.40 S
Nch open drain output,
(Note 32), (Note 26),
S1F7698F0A
Transmission delay time
TPHLB
0.5 1 2 S
Nch open drain output,
(Note 32), (Note 26),
S1F7698F0B, S1F7698F0C
Detecting voltage
temperature
characteristics
∆
-BDET
/
∆
T
opr
-
±
100 - ppm/
°
C
T
a
=-30
°
C to +85
°
C, (Note 25),
S1F7698F0C
Release voltage
temperature
characteristics
∆
+BDET
/
∆
T
opr
-
±
100 - ppm/
°
C
T
a
=-30
°
C to +85
°
C, (Note 25),
S1F7698F0C
(Note 25) The temperature characteristics are obtained from the following formula.
∆
BDET/
∆
Topr=(((BDETH-BDETL)/BDETM)/115)
x
10
6
Detecting / release voltage value at BDETH: 85
°
C
Detecting / release voltage value at BDETL: -30
°
C
Detecting / release voltage value at BDETM: 25
°
C
(Note 26) This is the standard value for the dead time setting capacitor at CBDLY=6800pF, V
BAT
=4.2V
¤
2.75V (F0A)/3V
¤
1.55V (F0B, F0C), and T
a
=25
°
C. The capacity accuracy of capacitor is not
included in the standard values. We recommend that you select highly accurate capacitors.
(Note
27) This is the standard value for the dead time setting capacitor at CBDLY=6800pF and
V
BAT
=2.75V
¤
4.2V.
(Note
28) This is the standard value for the dead time setting capacitor at CBDLY=6800pF and
V
BAT
=1.55V
¤
3V.