DCWIM20 SERIES
20 Watts
DC/DC Chassis & DIN-Rail DC/DC Power Module
Single Outputs
Rev A
FEATURES
• Ultra-Wide 4:1 Input Voltage
Range
• I/O Isolation of 2500VDC
• Over Load, Over Voltage, and Short Circuit
Protection
• Fully Regulated Output Voltage
• Fully Encapsulated Plastic Case • Remote On/Off Control
for Chassis & DIN-Rail Mounting
Version
• High Efficiency to 91%
• RoHS & REACH Compliant
• UL/cUL/IEC/EN 60950-1 Safety Approval & CE
Marking
DESCRIPTION
The DCWIM20 series of DC/DC power modules offers 20 watts of output power in a
fully encapsulated 3.78” x 2.13” x 0.92” plastic case with chassis or DIN-Rail mounting.
This series consists of fully regulated single output models with an ultra-wide 4:1 input
voltage range and high efficiency to 91%. Each model has RoHS & REACH
compliance, remote On/Off control, and over load, over voltage, and short circuit
protection. This series also has UL/cUL/IEC/EN 60950-1 safety approvals and CE
markings. Please contact factory for order details.
Size: 3.78in x 2.13in x 0.92in (96mm x 54mm x 23.3mm)
MODEL SELECTION TABLE
Input Current
Input Voltage
Range
Output
Voltage
Output
Current
Maximum
Capacitive Load
Output
Power
Model Number(1)
Efficiency Ripple & Noise
No Load
Max. Load
DCWIM20-24S51C
DCWIM20-24S12C
DCWIM20-24S24C
DCWIM20-24S48C
DCWIM20-48S51C
DCWIM20-48S12C
DCWIM20-48S24C
DCWIM20-48S48C
5.1VDC
12VDC
24VDC
48VDC
5.1VDC
12VDC
24VDC
48VDC
4000mA
1670mA
835mA
420mA
4000mA
1670mA
835mA
420mA
944mA
918mA
918mA
944mA
472mA
459mA
459mA
472mA
6800µF
1160µF
300µF
75µF
6800µF
1160µF
300µF
75µF
90%
91%
91%
89%
90%
91%
91%
89%
100mVp-p
150mVp-p
150mVp-p
200mVp-p
100mVp-p
150mVp-p
150mVp-p
200mVp-p
24VDC
(9~36VDC)
70mA
20W
20W
48VDC
(18~75VDC)
35mA
SPECIFICATIONS
All specifications are based on 25°C, Resistive Load, Nominal Input Voltage, and Rated Output Current unless otherwise noted.
We reserve the right to change specifications based on technological advances.
SPECIFICATION
TEST CONDITIONS
Min
Typ
Max
Unit
INPUT SPECIFICATIONS
24V Input Models
48V Input Models
24V Input Models
48V Input Models
24V Input Models
48V Input Models
24V Input Models
48V Input Models
All Models
9
18
36
75
9
Input Voltage Range
VDC
VDC
VDC
VDC
Start-Up Threshold Voltage
Under Voltage Shutdown
Input Surge Voltage (100ms Max.)
18
7.5
16
-0.7
-0.7
50
100
Input Filter
Internal Pi Type
OUTPUT SPECIFICATIONS
Output Voltage
Voltage Accuracy
Line Regulation
See Table
±2.0
±0.5
%Vnom
Vin=Min. to Max. @Full Load
Io=0% to 100%
%
%
Load Regulation
±0.5
Output Power
Output Current
See Table
See Table
Minimum Load
Maximum Capacitive Load
No Minimum Load Requirement
See Table
Ripple & Noise
20MHz bandwidth
25% Load Step Change
25% Load Step Change
Power Up
See Table
Transient Recovery Time(2)
Transient Response Deviation
250
±3
µSec
%
±5
30
30
Start-Up Time
Nominal Vin and Constant Resistive Load
ms
Remote On/Off
Temperature Coefficient
±0.02
%/ºC
Wall Industries, Inc. • 37 Industrial Drive, Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 •
Fax 603-778-9797
3/7/2017
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website: www.wallindustries.com • e-mail: sales@wallindustries.com