MB3761_06 Datasheet, PDF (5/15 Pages) Fujitsu Component Limited. – VOLTAGE DETECTOR

■ EQUIVALENT CIRCUIT
HYS-A 2
MB3761
8 V CC
OUT-A 4
V REF
1.2 V
3
IN-A
1
IN-B
6
OUT-B
7 HYS-B
5 GND
■ OPERATIONAL DEFINITIONS
R4
R1
R5
R3
R2
VIN
R6
1
8
2
7
3
6
4
5
VCC
RL RL
V H(B)
HYS-B
VO(B)
VO(A)
OUT-B
OUT-A
GND
VO(A)
VH(B)
VO(B)
VIL(A) VIH(A)
VIH(A)
=
(1
+
R1
R2
)VR
VIL(A)
= (1 +
R1
R2 // R3
)VR −
R1
R3
VCC
VIH(B)
= (1 +
R4
R5 // R6
)
VR
VIL(B)
= (1 +
R4
R5
) VR
VIL(B) VIH(B)
Note:
VR ^.=. VTH (=.. 1.20 V)
R2 // R3 =
R2 R3
R2 + R3
R5 // R6 =
R5 R6
R5 + R6
VIN
VIN
VIN
5