MB3761_06 Datasheet, PDF (8/15 Pages) Fujitsu Component Limited. – VOLTAGE DETECTOR

MB3761
3. Voltage Detection for Alarm
R3
R1
1
8
R4
2
7
3
6
4
5
R2
VCC
RL
VO
GND
4. Programmable Zener
V CC
R1
VZ
1
8
R2
2
7
+
3
6
R3
4
5
GND
Note : Channel B can be used independently.
VO
VCCL
VCCH
VCC
VCCH
=
(1
+
R3
R4
)VR
VCCL = (1 + ^R1 )VR
R2
VCCL ≥ 2.5 V
V Z = (1 +
R2
R3
) VR
V Z _≤ V CC - V Z _{≤ 6 mA}
R2 + R3
R1
8