Data Sheet
R1
K1
VBAT
11
MH88612B
RF
MH88612B
3
~
-
+
90 VRMS
48V
D4
D3
D2
D1
1 TF
RV
15
2
9
LPGND
VR
VX
8
TIP
TIP
Protection
Circuit
SHK
20
RING
10
13
RING
PD
RC
7
+5V
C2
K1
16
VRLY
14
CAP
RD
R2
VEE
5
AGND
6
R4
19 C1
Q1
-
+
R3
RC
17 CD
VBAT VCC
18
C3
-48V
Components List
R1
R2
R3, R4
C1
C2, C3
D1, D2, D3, D4
Q1
K1
200Ω
±
10%, 1/4W
470kΩ
±
5%, 1/4W
10kΩ
±
5%, 1/4W
1.0µf,
±
10%, 25V electrolytic capacitor
0.1µf
±
20%, 50V ceramic de-coupling capacitors
Diode rectifier 200V, 1A, IN4003
General Purpose switching transistor
Relay E/M, 5V or 6V 1Form C
+5V
12
(Pin 13)
-5V
Protection Circuit - depending on the application the Protection Circuit may need to provide
over-voltage and/or over-current protection. In certain circumstances no protection will be required.
Figure 3 - Application Circuit
SEMICMF.019
5
ZARLINK [ ZARLINK SEMICONDUCTOR INC ]
