dms-eb-dc Murata Manufacturing Co., Ltd, dms-eb-dc Datasheet - Page 2

• Manufacturer Part Number: dms-eb-dc
• Description: Dc/dc Converter And Isolation Board For Dms-30pc/lcd Meters
• Manufacturer: Murata Manufacturing Co., Ltd

Murata Power Solutions, Inc.
11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.
Tel: [phone] [phone] Fax: [phone]
www.murata-ps.com email: [e-mail] ISO 9001 and 14001 REGISTERED
Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply
the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without
notice.
(–) INPUT LO
(+) INPUT HI
REF. OUT
COMMON
REF. OUT
ANALOG
REF. IN
Components are user-supplied
and not part of the standard product
Components are part of the resistor accessory
kit RN-DMS (see Ordering Information).
+1.23V
12
11
10
9
8
7
SG13
SG14
SG9
SG8
SG12
10.5k
R3
R2
R5
50k
www.murata-ps.com
© 2008 Murata Power Solutions, Inc.
R4
2k
Figure 1. DMS-EB-DC/DC Schematic Diagram
SG11
SG7
R1
SG10
11/26/08
(+) (–)
HI LO TST TST
1
SG6
2
IN OUT
3
SG5
USA:
Canada:
UK:
France:
Germany:
Japan:
China:
Singapore:
4
SG4
+V
5
GND
DC/DC Converter and Isolation Board for
–V
6
+V
+V
U2
OUT
IN
Mansfield (MA), Tel: [phone], email: [e-mail]
Toronto, Tel: [phone], email: [e-mail]
Milton Keynes, Tel: [phone], email: [e-mail]
Montigny Le Bretonneux, Tel: [phone], email: [e-mail]
München, Tel: [phone], email: [e-mail]
Tokyo, Tel: [phone], email: [e-mail]
Osaka, Tel: [phone], email: [e-mail]
Shanghai, Tel: [phone], email: [e-mail]
Guangzhou, Tel: [phone], email: [e-mail]
Parkway Centre, Tel: [phone], email: [e-mail]
J1
LM7805CT
+V
-V
0.22μF
0.1μF
50V
50V
C2
IN
C4
IN
Technical enquiries email: [e-mail], tel:
U1
+V
-V
OUT
OUT
DMS-30PC/LCD Meters
DMS-EB-DC/DC
+
C3
22μF
10V
MPM_DMS-EB-DCDC.B01 Page 2 of 2
Open solder gap
Closed solder gap
R6
4.7k
SG3
SG2
SG1
1
2
3
4
5
6
[phone]
TEST/
BACKLIGHT
DP 3
DP 2
DP 1
5V RETURN/
–BATTERY
+5V SUPPLY/
+BATTERY