mb3761ps Fujitsu Microelectronics, Inc., mb3761ps Datasheet - Page 7

• Manufacturer Part Number: mb3761ps
• Description: Voltage Detector
• Manufacturer: Fujitsu Microelectronics, Inc.

1. Addition of Hysteresis
2. Voltage Detection for Alarm
For hysteresis, a positive feedback from pin 2 or 7 is required.
APPLICATION EXAMPLES
Note : All calculations occur with the output voltage
R
R
R
R
R
R
R
R
at 0. The hysteresis values are adjusted for
load condition and saturation voltage.
2
1
2
3
1
2
3
1
1
2
3
4
R
R
4
1
2
3
4
3
8
7
6
5
1
2
3
4
8
7
6
5
8
7
6
5
R
L
R
C
L
1
V
V
GND
V
V
V
GND
R
CC
O(A)
CC
H(B)
O(B)
L
(V
V
V
GND
IN
O
CC
)
V
V
H(B)
O(B)
V
O(A)
V
V
V
V
V
V
V
IH(A)
IL(A)
IH(B)
IL(B)
O
V
CCH
CCL
CCL
= (1 +
.
.
= (1 +
. .
.
= (1 +
= (1 +
.
.
.
= (1 +
= (1 +
V
V
IL(A)
IL(B)
V
2.5 V
CCL
R
R
R
R
R
R
R
R
R
R
2
1
1
3
2
2
3
4
R
1
2
R
+ R
)V
+ R
)V
)V
)V
3
1
R
R
V
R
R
V
2
3
IH(B)
IH(A)
)V
)V
R
R
V
CCH
MB3761
V
V
V
IH
IH
IN
(V
V
CC
CC
)
7