CG24S12-2500 [WALL]
Single Output 2:1 Input Voltage Range;
| 型号： | CG24S12-2500 |
| 厂家： | 
WALL INDUSTRIES,INC. |
| 描述： | Single Output 2:1 Input Voltage Range |
| 文件： | 总9页 (文件大小：230K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
CG Series
Single Output
2:1 Input Voltage Range
30 Watt DC/DC Converter
FEATURES
● Soft Start
● Lead-Free Design
● Six-Sided Shielding
● Output Trim Function
● I/O Isolation 1500VDC
● MTBF > 600,000 hours
● 2:1 Input Voltage Range
● Very High Efficiency up to 88%
● Remote On/Off Control (Optional)
● Over Voltage and Short Circuit Protection
● EMI Complies with RN55022 Class A (Only for CG-A Series)
Dimensions: 2.0 x 1.0 x 0.4 inches
SPECIFICATIONS: CG Series
All specifications are based on 25oC, 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
Nom
Max
Unit
INPUT (Vin)
Input Voltage Range (24V input models)
Input Voltage Range (48V input models)
Start Voltage 24V input models)
Start Voltage (48V input models)
Under Voltage Shutdown (24V input models)
Under Voltage Shutdown (48V input models)
Over Voltage Shutdown (24V input models)
Over Voltage Shutdown (48V input models)
Reverse Polarity Input Current
Input Surge Voltage (1000ms) (24V input models)
Input Surge Voltage (1000ms) (48V input models)
Reflected Ripple Current
18
36
17
34
16
32
40
80
24
48
17.5
35
16.5
33
42
36
75
18
36
17
34
44
84
2
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
A
82
All models
-0.7
-0.7
50
100
VDC
VDC
See Table
4500
Pi Filter
Short Circuit Input Power
Input Filter
All models
All models
mW
OUTPUT (Vo)
Output Voltage Range
See Table
Output Voltage Accuracy
Output Voltage Trim
Load Regulation (2.5V,3.3V, and 5Vout)
Load Regulation (12V and 15Vout)
Line Regulation
±0.5
±1.0
±11.0
±1.0
±1.0
±0.3
30
%
%
%
%
%
W
% of nominal output voltage
Io = No Load to 100% Load
Io = 10% to 100% Load
Vin = Min to Max
±9.0
±10.0
±0.5
±0.5
±0.1
Output Power
Output Current Range
See Table
Ripple & Noise (20MHz)
Ripple & Noise (20MHz)
Ripple & Noise (20MHz)
Transient Recovery Time
Transient Response Deviation
Maximum Capacitive Load
Temperature Coefficient
75
100
120
10
500
±5
mVpk-pk
mVpk-pk
mVrms
μs
Over Line, Load, and Temperature
25% Load Step Change
25% Load Step Change
200
±2
%
See Table
±0.01
±0.02
%/°C
REMOTE ON/OFF CONTROL
Supply On
2.5 to 100VDC or Open Circuit
Supply Off
-1
1
5
5
VDC
Device Standby Input Current
Control Input Current (On)
Control Input Current (Off)
Control Common
2
mA
μA
μA
-100
Referenced to Negative Input
PROTECTION
Over Power Protection
Short Circuit Protection
Over Voltage Protection
110
160
Continuous
See table
%
Input Fuse Recommendation (24V input models)
Input Fuse Recommendation (48V input models)
3000mA Slow-Blow Type
1500mA Slow-Blow Type
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
CG Series
Single Output
2:1 Input Voltage Range
30 Watt DC/DC Converter
SPECIFICATION
GENERAL
TEST CONDITIONS
Min
Nom
Max
Unit
Efficiency
See Table
Switching Frequency
Isolation Voltage Rated
Isolation Voltage Test
Isolation Resistance
Isolation Capacitance
Internal Power Dissipation
ENVIRONMENTAL
Operating Temperature (Ambient)
Operating Temperature (Case)
Storage Temperature
Lead Temperature
Humidity
280
350
400
KHz
VDC
VDC
MΩ
pF
mW
60 seconds
Flash Tested for 1 second
500VDC
1500
1650
1000
100KHz, 1V
1200
1500
5500
-40
-40
-55
+50
+105
+125
260
°C
°C
°C
°C
%
1.5mm from case for 10 seconds
95
Cooling
Free air convection
RFI
MTBF
Six-sided shielded metal case
600,000 Hours
MIL-HDBK-217F @ 25°C, Ground Benign
Conducted EMI
PHYSICAL
EN55022 Class A
Weight
32 grams
Dimensions
Case Material
50.8(L) x 25.4(W) x 10.2(H) mm
Aluminum anodizing treatment in black
OUTPUT VOLTAGE / CURRENT RATING CHART
Output Current
Input Current
Output
Reflected
Ripple Current Protection
Over Voltage Max Capacitive Efficiency
Model Number Input Voltage
Voltage
Load
(Typ)
Min
Max
No Load Max Load
CG24S2.5-6000
CG24S3.3-6000
2.5 VDC
3.3 VDC
5 VDC
0mA
6000mA
50mA
50mA
70mA
70mA
20mA
20mA
40mA
40mA
50mA
50mA
10mA
10mA
744mA
959mA
1185mA
1207mA
1420mA
1420mA
372mA
480mA
604mA
604mA
710mA
710mA
3 VDC
6800μF
84%
0mA
0mA
0mA
6000mA
5000mA
5000mA
2500mA
2000mA
6000mA
6000mA
5000mA
5000mA
2500mA
2000mA
3.9 VDC
6800μF
6800μF
6800μF
680μF
86%
88%
88%
88%
88%
84%
86%
88%
88%
88%
88%
CG24S5-5000
CG24S5.1-5000
CG24S12-2500
CG24S15-2000
CG48S2.5-6000
CG48S3.3-6000
CG48S5-5000
CG48S5.1-5000
CG48S12-2500
CG48S15-2000
6.8 VDC
100mA (typ)
24 VDC
(18 – 36 VDC)
5.1 VDC
6.8 VDC
12 VDC 166mA
15 VDC 133mA
15 VDC
18 VDC
3 VDC
680μF
2.5 VDC
3.3 VDC
5 VDC
0mA
0mA
0mA
0mA
6800μF
6800μF
6800μF
6800μF
680μF
3.9 VDC
6.8 VDC
50mA (typ)
48 VDC
(36 – 75 VDC)
5.1 VDC
6.8 VDC
12 VDC 166mA
15 VDC 133mA
15 VDC
18 VDC
680μF
NOTES
1. Specifications typical at +25°C, resistive load, nominal input voltage, rated output current unless otherwise noted.
2. Transient Recovery Time is measured to within 1% error band for a step change in output load of 75% to 100%.
3. Ripple & Noise measurement bandwidth is 0- 20MHz.
4. These power converters require a minimum output loading to maintain specified regulation. Operation at no-load
will not damage these devices, however they may not meet all listed specifications.
5. All DC/DC converters should be externally fused at the front end for protection.
6. Other input and output voltages may be available, please contact factory.
7. Specifications subject to change without notice.
8. To order the converter with Remote On/Off function, please add suffix ”-RC” (Ex: CG48S5-5000(A)-RC).
Due to advances in technology, specifications subject to change without notice.
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
CG Series
Single Output
2:1 Input Voltage Range
30 Watt DC/DC Converter
BLOCK DIAGRAM
Input Voltage Transient Rating
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
CG Series
Single Output
2:1 Input Voltage Range
30 Watt DC/DC Converter
MECHANICAL DRAWING
Connecting Pin Patterns
Top View (2.54 mm / 0.1 inch grids)
PIN CONNECTIONS
Pin
1
Function
+Vin
2
-Vin
3
*Remote On/Off (option)
4
5
6
+Vout
-Vout
Trim
* See Note 8
1. All dimensions in mm [inches]
Tolerance: X.X±0.25 [X.XX±0.01]
X.XX±0.13 [X.XXX±0.005]
2. Pin: ±0.05 [±0.002]
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
CG Series
Single Output
2:1 Input Voltage Range
30 Watt DC/DC Converter
DESIGN & FEATURE CONSIDERATIONS
Remote On/Off
Positive logic remote on/off turns the module on during a logic high voltage on the remote on/off pin and
off during a logic low. Negative logic remote on/off turns the module off during a logic low and on during
a logic high. To turn the power module on and off, the user must supply a switch to control the voltage
between the on/off terminal and the -Vin terminal. The switch can be an open collector or equivalent.
A logic low is -0.7V to 1.0V.
A logic high is 2.5V to 100V.
The maximum sink current at the On/Off terminal (Pin 3) during a logic low is 100 mA. The maximum
allowable leakage current of a switch connected to the On/Off terminal (Pin 3) at logic high (2.5V to
100V) is 5uA.
Output Voltage Trim
Output voltage trim allows the user to increase or decrease the output voltage set point of a module.
The output voltage can be adjusted by placing an external resistor (Radj) between the Trim and +Vout
or -Vout terminals. By adjusting Radj, the output voltage can be changed by ±10% of the nominal output
voltage.
A 10K, 1 or 10 Turn trimpot is usually specified for continuous trimming. Trim pin may be safely left
floating if it is not used.
Connecting the external resistor (Radj (up)) between the Trim and -Vout pins increases the output voltage
set point as defined by the following equation:
(33∗Vout) − (30 ∗Vadj
)
Radj(up)
=
Vadj −Vout
Connecting the external resistor (Radj (down)) between the Trim and +Vout pins decreases the output
voltage set point as defined by the following equation:
(36.667 ∗Vadj) − (33∗Vout
)
Radj(down)
=
Vout −Vadj
Vout:
Vadj:
Units:
Nominal Output Voltage
Adjusted Output Voltage
VDC/KΩ
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
CG Series
Single Output
2:1 Input Voltage Range
30 Watt DC/DC Converter
Input Source Impedance
The power module should be connected to a low ac-impedance input source. Highly inductive source
impedances can affect the stability of the power module.
In applications where power is supplied over long lines and output loading is high, it may be necessary
to use a capacitor at the input to ensure startup.
A capacitor mounted close to the power module helps ensure stability of the unit, it is recommended to
use a good quality low Equivalent Series Resistance (ESR < 1.0Ω at 100 KHz) capacitor of 10uF for the
24V and 48V input devices.
Maximum Capacitive Load
The CG Series has a limitation of maximum connected capacitance at the output. The power module
may be operated in current limiting mode during start-up, affecting the ramp-up and the startup time.
The maximum capacitance can be found in the “Output Voltage / Current Rating Chart.”
Over Current Protection
To provide protection in a fault (output overload) condition, the unit is equipped with internal current
limiting circuitry and can endure current limiting for an unlimited duration. At the point of current-limit
inception, the unit shifts from voltage control to current control. The unit operates normally once the
output current is brought back into its specified range.
Output Over Voltage Protection
The output over voltage clamp consists of control circuitry, which is independent of the primary
regulation loop that monitors the voltage on the output terminals. The control loop of the clamp has a
higher voltage set point than the primary loop. This provides a redundant voltage control that reduces
the risk of output over voltage. The OVP level can be found in the “Output Voltage / Current Rating
Chart.”
Thermal Considerations
Many conditions affect the thermal performance of the power module, such as orientation, airflow over
the module, and board spacing. To avoid exceeding the maximum temperature rating of the components
inside the power module, the case temperature must be kept below 105°C. The derating curves are
determined from measurements obtained in an experimental apparatus.
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
CG Series
Single Output
2:1 Input Voltage Range
30 Watt DC/DC Converter
Efficiency vs Input Voltage
Efficiency vs Output Load
DERATING CURVE
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
CG Series
Single Output
2:1 Input Voltage Range
30 Watt DC/DC Converter
TEST CONFIGURATIONS
Input Reflected-Ripple Current Test Setup
Input reflected-ripple current is measured with an inductor Lin (4.7uH) and Cin (220uF, ESR < 1.0Ω at
100 KHz) to simulate source impedance.
Capacitor Cin offsets possible battery impedance.
Current ripple is measured at the input terminals of the module. Measurement bandwidth is 0-500 KHz.
Peak-to-Peak Output Noise Measurement Test
Use Cout = 1.0uF ceramic capacitor.
Scope measurement should be made by using a BNC socket, measurement bandwidth is 0-20MHz.
Position the load between 50mm and 75mm from the DC/DC Converter.
Output Ripple Reduction
A good quality low ESR capacitor placed as close as possible across the load will give the best ripple
and noise performance. To reduce output ripple, it is recommended to use 4.7uF capacitors at the
output.
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
CG Series
Single Output
2:1 Input Voltage Range
30 Watt DC/DC Converter
COMPANY INFORMATION
Wall Industries, Inc. has created custom and modified units for over 40 years. Our in-house research
and development engineers will provide a solution that exceeds your performance requirements on time
and on budget. Our ISO9001-2000 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:
(603)778-2300
(888)587-9255
(603)778-9797
E-mail:
Web:
Address:
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
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