CR SERIES
40 Watt
DC/DC Power Converters
Single and Dual Outputs
Rev C
All specifications are typical at Nominal Input, Full Load, and 25°C unless otherwise noted.
We reserve the right to change specifications based on technological advances.
SPECIFICATION
TEST CONDITIONS
Min
Typ
Max
Unit
INPUT SPECIFICATIONS
12VDC nominal input models
9
18
36
12
24
48
18
36
75
9
18
Input Voltage Range
Start-Up Voltage
24VDC nominal input models
48VDC nominal input models
12VDC nominal input models
24VDC nominal input models
48VDC nominal input models
12VDC nominal input models
24VDC nominal input models
48VDC nominal input models
12VDC nominal input models
24VDC nominal input models
48VDC nominal input models
VDC
VDC
VDC
VDC
36
7
15
32
8
16
33.5
8.8
17.5
35
25
50
Shutdown Voltage
Input Surge Voltage (1sec, max.)
100
Input Current
No Load
See Table
Input Filter
Pi type
OUTPUT SPECIFICATIONS
Output Voltage
See Table
Voltage Accuracy
Line Regulation
-1.0
-0.2
-0.5
-1.0
-5.0
-10
-10
+1.0
%
%
Low line to high line at full load
No load to full load
+0.2
+0.5
+1.0
+5.0
+10
+20
Single Output Models
Dual Output Models
Load Regulation
Cross Regulation
Voltage Adjustability
%
%
%
Dual Output Models, Asymmetrical load 25% / 100% FL
3.3V, 5V, & 12V Output Models
15V & 24V Outputs Models
Single Output Models
Output Power
See Table
Output Current
See Table
Minimum Load
0
%
Maximum Capacitive Load
Minimum input and constant resistive load
See Table
3.3V & 5V Output Models
and with a 0.1µF/50V X7R MLCC 12V & 15V Output Models
75
100
125
200
Measured by 20MHz bandwidth
Ripple & Noise
100
150
250
60
mVp-p
capacitor
24V Output Models
Transient Response Recovery Time 25% load step change
µs
ms
Power Up
Remote On/Off
Start-Up Time
Constant resistive load
60
Temperature Coefficient
-0.02
+0.02
%/°C
PROTECTION
Short Circuit Protection
Continuous, automatic recovery
Over Load Protection
% of rated Iout; hiccup mode
Zener diode clamp
150
3.9
6.2
15
20
30
%
3.3V Output Models
5V Output Models
12V Output Models
15V Output Models
24 V Output Models
Over Voltage Protection
VDC
°C
Over Temperature Protection
GENERAL SPECIFICATIONS
Efficiency
+115
Nominal input voltage and full load
See Table
Switching Frequency
225
250
275
kHz
Input to Output
Input to Case
Output to Case
1600
1600
1600
Isolation Voltage
1 minute
500VDC
VDC
Isolation Resistance
Isolation Capacitance
1
GΩ
1500
pF
Wall Industries, Inc. • Tel: 603-778-2300 • Toll Free: 888-597-9255 •
website: www.wallindustries.com • e-mail: sales@wallindustries.com
5/16/2019
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