English
Language : 

CMRJW Datasheet, PDF (1/2 Pages) Wall Industries,Inc. – Chassis Mount DC/DC Converter
Rev B
CMRJW Series
12 Watt Single Output
4:1 Input Voltage Range
Chassis Mount DC/DC Converter
FEATURES
TYPICAL APPLICATIONS
● UL/CUL 1950
● Low Profile & Height PCB
● Regulated Output
● On-Board Distributed Power
● Over Voltage Protection
● 9V-36V or 18V-75VDC Telecom Input
● > 1500VDC I/O Isolation
● Output Power up to 12 Watts
● Continuous Short Circuit Protection
● 4:1 Ultra Wide Input Range, High Efficiency
● Call Factory for More Output Power Options
● Ideal for Telecom and Networking Applications
● Chassis Mount Options: Open Frame, U Channel, and Enclosed Types Available
SPECIFICATIONS: CMRJW Series
All specifications are based on 25°C, Nominal Input Voltage, and Maximum Output Current unless otherwise noted.
We reserve the right to change specifications based on technological advances.
SPECIFICATION
INPUT (Vin)
Input Voltage Range
TEST CONDITIONS
24V nominal input models
48V nominal input models
Min Typ Max Unit
9
24
36 VDC
18
48
75 VDC
Remote ON/OFF
Pin 6 (optional see notes 1, 2 and 3)
TTL Logic
OUTPUT (Vo)
Output Voltage Range
Output Voltage Accuracy
Load Regulation
10% - 100% load
See Table
±1.0
±0.5
% of Vo
%
Line Regulation
High Line / Low Line
±0.5
%
Output Power
12 W
Output Current Range
See Table
Ripple & Noise (20MHz)
Transient Response
Within ±1% Vout
< 75
< 500
mVpk-pk
µs
REMOTE ON/OFF (POSITIVE REFERENCED)
Supply On
2.5VDC to 5.5VDC or Open Circuit
Supply Off
-0.7
0.8 VDC
Standby Input Current
10 mA
Control Common
Referenced to Negative Input
REMOTE ON/OFF (NEGATIVE REFERENCED)
Supply On
-0.7
1.2 VDC
Supply Off
3.5VDC to 10VDC or open circuit
Source Current Remote Pin
1
mA
Control Common
Referenced to Negative Input
PROTECTION
Over Current Protection
Limiting (% of Iout)
Short Circuit Protection
Continuous
GENERAL
Efficiency
See Table
Switching Frequency
400
KHz
Isolation Voltage (input to output)
>100MΩ Resistance (60 seconds)
> 1500
VDC
ENVIRONMENTAL
Operating Temperature (Ambient)
No derating
-40
+71 °C
Storage Temperature
-40
+125 °C
Case Temperature
100 °C
PHYSICAL
Weight
Approximately 6oz.
Dimensions
4(L) x 2.2(W) x 0.81(H) inches
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797