LO18-26C0513-03 Datasheet, PDF (3/5 Pages) MORNSUN Science& Technology Ltd. – AC-DC converter for electric meters

PARALLEL LINES MEASURE
FUSE
L
L
+Vo
AC-DC
Copper sheet
C1
C2
Load
Co n ne ct Oscillo gra ph Prob e
N
N
-Vo
12 . 7 m m
TYPICAL APPLICATIONS
25.4m m
C1: ceramic capacito 1μF
2 5. 4 m m
C2: electrolytic capacitors 10μF
Model
C1,C3,C5
FUSE NTC
+
L
L
Vo1
-
+
C1 C2 TVS1 RL
C3 C4 TVS2 RL
Vo 2
-
+
N
N Vo3
-
C5 C6 TVS3 RL
EXTERNAL CIRCUIT PARAMETER
C2
C4
C6
TVS1
TVS2
TVS3
LO18-26C0513-03
1µF/50V
220µF/10V
120µF/25V
120µF/25V
SMBJ7.0A
SMBJ20A
SMBJ20A
Note:
C1,C3,C5 are ceramic capacito，and it is used to filter high frequency noise(Recommend value:1µF/50V)；Output filtering capacitor C2、C4、C6 are electrolytic capacitors，
It is recommended to use high frequency and low impedance electrolytic capacitors； TVS is recommended component to protect post-circuits (when converter fails).
THREE-PHASE CIRCUIT APPLICATION
Three-phase-four-wire full-wave rectification application
Three-phase-four-wire half-wave rectification application
MODEL
LO18-26C0513-03
CXx
0.1μF/300VAC
EXTERNAL COMPONENT PARAMETER
RV
Fx
R1, R4, R6
Dx
561KD20
or 20K550
3.15A
250V
5-10Ω 5W
1N4007
Cx
47μF
400V
R2,R3,R5,R7
560K
LCM
>3mH
The copyright and authority for the interpretation of the products are reserved by MORNSUN
Specifications subject to change without notice.
LO18-26D0513-03 A/0-2012 Page 3 of 5