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DATASHEET
Rev. C
CV SERIES
1.8 to 45 Watts
2.5-5.5VDC, 4.5-14VDC, 10-30VDC Input Ranges
Adjustable Output Voltage
Negative and Positive Output Applications
Non-Isolated DC/DC Converters
FEATURES
• Output Current up to 3A
• 1.8 to 45 Watts Output Power Range
• Adjustable Output Voltage
• High Efficiency - 95% at 12VDC and Full Load
• SIP Open Frame Packages
• Small Size and Profile
• Fixed Switching Frequency
• Remote On/Off
APPLICATIONS
• Wireless Networks
• Telecom / Datacom
• Industry Control Systems
• Semiconductor Equipment
• Distributed Power Architectures
• Short Circuit, Over Current, and Over Temperature Protection
• Positive & Negative Output Applications
• Compliant to RoHS EU Directive 2011/65/EU
• UL60950-1, EN60950-1, and IEC60950-1 Safety Approvals
• Vertical Mounting and Horizontal Mounting Types Available
DESCRIPTION
The CV series consists of non-isolated DC/DC converters that can deliver up to 3A of output current in a small open
frame package. This series features remote on/off, adjustable output voltage, and efficiency up to 95%. These
converters are protected against over current, over temperature, and short circuit conditions. The CV series is RoHS
compliant and has UL60950-1, EN60950-1, and IEC60950-1 safety approvals. This series also has positive and
negative output applications as well as vertical (standard) and horizontal (“A” suffix) SIP mounting options.
01/02/2013
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 1 of 6
Rev. C
CV Series
1.8 to 45 Watts
Adjustable Output Voltage
Non-Isolated DC/DC Converters
SPECIFICATIONS: CV 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
TEST CONDITIONS
Min
Typ
Max
Unit
INPUT SPECIFICATIONS
Positive Output Application
CV5S2.5-3000 (Vin>Vo+0.5V)
05Vin(nom), 0.6 ~ 3.3Vout
2.5
5.5
CV12S3.3-3000 (Vin>Vo+2.0V) 12Vin(nom), 0.59 ~ 6.0Vout
4.5
14
VDC
CV24S5-3000 (Vin>Vo+3.0V)
24Vin(nom), 3.0 ~ 6.0Vout
10
30
(3)
Operating Input Voltage Range
CV24S12-3000 (Vin>Vo+3.0V)
24Vin(nom), 5.0 ~ 15Vout
10
30
Negative Output Application
CV12S3.3-3000 (Vinmax=14-|Vo|) 12Vin(nom), -0.59 ~ -6.0Vout
4.7
13
CV24S5-3000 (Vinmax=30-|Vo|)
12Vin(nom), -3.0 ~ -6.0Vout
10
27
VDC
CV24S12-3000 (Vinmax=30-|Vo|) 12Vin(nom), -5.0 ~ -15Vout
10
25
No Load Input Current
See Table
CV5S2.5-3000
3.0
CV12S3.3-3000
2.6
Maximum Input Current
Vin=Vin(min); Io=Io(max)
A
CV24S5-3000
2.2
CV24S12-3000
3.0
An external π filter is recommended at the input of the module in order
Input Reflected Ripple Current
30
mAp-p
to minimize input reflected ripple
Input Filter
C type
ON = Open or Vin (max)
CV5S2.5-3000
OFF = 0V < Vr < 0.3V
The On/Off control pin voltage is
Remote On/Off (Positive Logic)
referenced to ground
ON = 1V < Vr < 12V
Others
OFF = 0V < Vr < 0.3V
OUTPUT SPECIFICATIONS
Voltage Adjustability (1)
See Figure 2
See Table
Voltage Accuracy
-2.0
+2.0
%
Vo ≥ 2.5VDC
0.2
%
Line Regulation
Vo < 2.5VDC
5
mV
Vo ≥ 2.5VDC
0.8
%
0% to 100% of full load
Vo < 2.5VDC
20
mV
Load Regulation
Vo ≥ 2.5VDC
0.6
%
10% to 90% of full load
Vo < 2.5VDC
15
mV
Output Power
1.8 ~ 45 Watts
Output Current
See Table
Positive Output Application
CV5S2.5-3000
30
55
CV12S3.3-3000
60
85
mVp-p
CV24S5-3000
With 2.2µF MLCC
75
100
Ripple & Noise (20MHz BW)
CV24S12-3000
With 2.2µF MLCC
150
200
Negative Output Application (See figure 1)
CV12S3.3-3000
60
85
CV24S5-3000
With C1=10µF/50V 1206 X5R MLCC
75
100
mVp-p
CV24S12-3000
With C2=10µF/25V 1206 X5R MLCC
150
200
Output Voltage Overshoot -Startup
1
%
Maximum Capacitive Load
See Table
CV5S2.5-3000
6
CV12S3.3-3000
6
Rise Time
Time for Vo to rise from 10% to 90% Vo
ms
CV24S5-3000
10
CV24S12-3000
10
CV24S12-3000
150
Peak Deviation
50% load step change
mV
Dynamic Load Response
Others
250
Recovery Time
All models
120
µs
Temperature Coefficient (max)
-1
+1
%/°C
PROTECTION
Short Circuit Protection
continuous, automatic recovery
CV5S2.5-3000
% of rated Iout; hiccup mode
280
Over Load Protection
%
Others
220
Over Temperature Protection
Internal IC Junction
150
°C
01/02/2013
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 2 of 6
CV Series
1.8 to 45 Watts
Adjustable Output Voltage
Non-Isolated DC/DC Converters
Rev. C
SPECIFICATIONS: CV 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
TEST CONDITIONS
Min
Typ
Max
Unit
GENERAL SPECIFICATIONS
Efficiency
Nominal input voltage and full load
See Table
CV5S2.5-3000 & CV12S3.3-3000
540
600
660
Switching Frequency
KHz
CV24S5-3000 & CV24S12-3000
270
300
330
Isolation Voltage
none
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature
See derating curves
-40
+85
°C
Storage Temperature
-55
+125
°C
Thermal Shock
MIL-STD-810F
BELLCORE TR-NWT-000332 Case 1: 50% Stress, Ta=40°C
6,250,000 hours
MTBF
MIL-HDBK-217F Ta=25°C, full load, (G/B, controlled environment)
1,638,000 hours
PHYSICAL SPECIFICATIONS
Case Material
Open frame
Potting Material
none
CV5S2.5-3000 & CV12S3.3-3000
0.06oz (1.7g)
Weight
CV24S5-3000 & CV24S12-3000
0.074oz (2.1g)
CV5S2.5-3000 & CV12S3.3-3000
0.37 x 0.24 x 0.61 inches (9.4 x 6.0 x 15.5 mm)
Dimensions (L x W x H)
CV24S5-3000 & CV24S12-3000
0.41 x 0.24 x 0.65 inches (10.4 x 6.0 x 16.5 mm)
SAFETY
Safety Approvals
IEC60950-1, UL60950-1, EN60950-1
MODEL SELECTION TABLE
POSITIVE OUTPUT APPLICATION
Max Capacitive Load
Model Number
Input Range
Output Voltage (1)
Output
Current
Maximum Input
Current
No Load
Input Current
Output Power
Efficiency
CV5S2.5-3000
2.5 ~ 5.5VDC
0.6 ~ 3.3 VDC
3A
3.0A
20mA
1.8W ~ 9.9W
95% @ 2.5Vo
1000µF
3000µF
CV12S3.3-3000
4.5 ~ 14VDC
0.59 ~ 6 VDC
3A
2.6A
25mA
1.77W ~ 18W
93% @ 3.3Vo
1000µF
3000µF
CV24S5-3000
10 ~ 30VDC
3 ~ 6 VDC
3A
2.2A
25mA
9W ~ 18W
91% @ 5.0Vo
1000µF
3000µF
CV24S12-3000
10 ~ 30VDC
5 ~ 15 VDC
3A
3.0A
30mA
15W ~ 45W
95% @ 12Vo
500µF
1200µF
Maximum
Input Current
No Load
Input Current
Output Power
Efficiency
Max Capacitive Load
ESR≥1mΩ ESR≥10mΩ
NEGATIVE OUTPUT APPLICATION
Model Number
Input Range
Output Voltage
Output
Current (2)
CV12S3.3-3000
4.7 ~ 13VDC
-0.59 ~ -6 VDC
2.2A
2.6A
35mA
1.3W ~ 13.2W
90% @ 3.3Vo
780µF
CV24S5-3000
CV24S12-3000
10 ~ 27VDC
10 ~ 25VDC
-3 ~ -6 VDC
-5 ~ -15 VDC
2.2A
1.2A
2.2A
3.0A
35mA
60mA
6.6W ~ 13.2W
6W ~ 18W
90% @ 5.0Vo
91% @ 12Vo
2200µF
580µF
NOTES
1. Output voltage programmable from 0.6V to 3.3V, 0.59V to 6.0V, 3.0V to 6.0V, and 5.0V to 15V by connecting a single resistor between the TRIM
and GND pins of the module. To calculate the value of the resistor (Rtrim) for a particular output voltage (Vo), use the equations shown in Table 1.
2. CV12S3.3-3000: When using negative output application, |Vo| trim up > 3.3V and the output current is 1.5A max.
3. CV12S3.3-3000: When Vo,set < 0.9VDC the input voltage range is 4.5 ~ 9 VDC.
4. Both vertical mounting and horizontal mounting SIP types are available. Add the suffix “A” to the model number for horizontal mounting SIP type.
5. CAUTION: This power module is not internally fused. An input line fuse must always be used.
*Due to advances in technology, specifications are subject to change without notice.
01/02/2013
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 3 of 6
CV Series
1.8 to 45 Watts
Adjustable Output Voltage
Non-Isolated DC/DC Converters
Rev. C
CHARACTERISTIC CURVES
POSITIVE OUTPUT APPLICATION
NEGATIVE OUTPUT APPLICATION
CV12S3.3-3000 Derating Curve
CV12S3.3-3000 Derating Curve
CV12S3.3-3000 Efficiency vs Input Voltage
CV12S3.3-3000 Efficiency vs Input Voltage
CV12S3.3-3000 Efficiency vs Output Load
CV12S3.3-3000 Efficiency vs Output Load
01/02/2013
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 4 of 6
CV Series
1.8 to 45 Watts
Adjustable Output Voltage
Non-Isolated DC/DC Converters
Rev. C
MECHANICAL DRAWINGS
VERTICAL MOUNTING SIP TYPE (Standard)
HORIZONTAL MOUNTING SIP TYPE (“A” Suffix)
CV5S2.5-3000
CV5S2.5-3000A
CV12S3.3-3000
CV12S3.3-3000A
CV24S5-3000 & CV24S12-3000
CV24S5-3000A & CV24S12-3000A
01/02/2013
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 5 of 6
CV Series
1.8 to 45 Watts
Adjustable Output Voltage
Non-Isolated DC/DC Converters
Rev. C
NEGATIVE OUTPUT APPLICATION
C1 and C2 are required and should be connected as close as possible to the converter pins
Figure 1
TRIM APPLICATION
Model Name
Rtrim_up (KΩ)
CV5S2.5-3000
1.2
- 0.01
Vo - 0.6
CV12S3.3-3000
1.18
Vo - 0.59
CV24S5-3000
11.2
Vo - 3
CV24S12-3000
8.4
Vo - 5
Figure 2
Table 1
COMPANY INFORMATION
Wall Industries, Inc. has created custom and modified units for over 50 years. Our in-house research and development
engineers will provide a solution that exceeds your performance requirements on-time and on budget. Our ISO9001-2008
certification is just one example of our commitment to producing a high quality, well-documented product for our customers.
Our past projects demonstrate our commitment to you, our customer. Wall Industries, Inc. has a reputation for working
closely with its customers to ensure each solution meets or exceeds form, fit and function requirements. We will continue to
provide ongoing support for your project above and beyond the design and production phases. Give us a call today to discuss
your future projects.
Contact Wall Industries for further information:
Phone:
Toll Free:
Fax:
E-mail:
Web:
Address:
01/02/2013
(603)778-2300
(888)597-9255
(603)778-9797
sales@wallindustries.com
www.wallindustries.com
5 Watson Brook Rd.
Exeter, NH 03833
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 6 of 6