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LANK 10W Series
2:1 Wide Input Range Single and Dual Output 10 Watt DC/DC Converter FEATURES
I/O Isolation 1500VDC MTBF > 1,000,000 Hours Industry Standard Pinout High Efficiency up to 88% CSA1950 Safety Approval 2:1 Wide Input Voltage Range Complies with EN55022 Class A Short Circuit and Over Voltage Protection
SPECIFICATIONS: LANK 10W 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
INPUT (Vin) Input Voltage Range Start Voltage Under Voltage Shutdown Input Surge Voltage (1000ms) Reverse Polarity Input Current Reflected Ripple Current Short Circuit Input Power Input Filter OUTPUT (Vo) Output Voltage Range Output Voltage Accuracy Output Voltage Balance Load Regulation Load Regulation (2.5V output only) Line Regulation Output Power Output Current Range Ripple & Noise (20MHz) Ripple & Noise (20MHz) Ripple & Noise (20MHz) Transient Recovery Time Transient Response Deviation Temperature Coefficient PROTECTION Over Power Protection Short Circuit Protection Input Fuse Recommendation GENERAL Efficiency Switching Frequency Isolation Voltage Rated Isolation Voltage Test Isolation Resistance Isolation Capacitance Maximum Capacitive Load Internal Power Dissipation 12V input models 24V input models 48V input models 12V input models 24V input models 48V input models 12V input models 24V input models 48V input models 12V input models 24V input models 48V input models All models All models All models 9 18 36 7 14 30 12 24 48 8 16 33 18 36 75 9 18 36 8.5 17 34 25 50 100 0.5 See Table 2500 Pi Filter VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC A mW
Unit
-0.7 -0.7 -0.7
Dual Output, Balanced Loads Io = 10% to 100% Io = 10% to 100% Vin = Min to Max
Over Line, Load, and Temperature 25% Load Step Change 25% Load Step Change 110 12V input models 24V input models 48V input models
See Table 0.6 1.2 0.5 2.0 0.5 1.2 0.7 1.5 0.3 1.0 10 See Table 50 85 100 15 250 500 3 5 0.01 0.02
% % % % % W mVpk-pk mVpk-pk mVrms s % %/C
150 180 % Continuous 2000mA Slow-Blow Type 1000mA Slow-Blow Type 500mA Slow-Blow Type See Table 400 KHz VDC VDC M pF mW
60 seconds Flash Tested for 1 second 500VDC 100KHz, 1V
1500 1650 1000 1000 1200 See Table 2500
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797
LANK 10W Series
2:1 Wide Input Range Single and Dual Output 10 Watt DC/DC Converter
SPECIFICATION (CONTINUED)
ENVIRONMENTAL Operating Temperature (Ambient) Operating Temperature (Case) Storage Temperature Lead Temperature Humidity Cooling MTBF PHYSICAL Weight Dimensions Case Material
TEST CONDITIONS
Min
-40 -40 -40
Nom
Max
Unit
C C C C %
1.5mm from case for 10 seconds MIL-HDBK-217F @ 25C, Ground Benign
+60 +90 +125 260 95 Free air convection 1,000,000 Hours
17.3 grams 31.8(L) x 20.3(W) x 10.2(H) mm Metal with non-conductive baseplate
OUTPUT VOLTAGE / CURRENT RATING CHART
Model Number LANK1233W10 LANK1205W10 LANK1251W10 LANK1212W10 LANK1215W10 LANK1212DW10 LANK1215DW10 LANK2425W10 LANK2433W10 LANK2405W10 LANK2451W10 LANK2412W10 LANK2415W10 LANK2412DW10 LANK2415DW10 LANK4825W10 LANK4833W10 LANK4805W10 LANK4851W10 LANK4812W10 LANK4815W10 LANK4812DW10 LANK4815DW10 Input Voltage Output Voltage 3.3 VDC 5 VDC 5.1 VDC 12 VDC 15 VDC 12 VDC 15 VDC 2.5 VDC 3.3 VDC 5 VDC 5.1 VDC 12 VDC 15 VDC 12 VDC 15 VDC 2.5 VDC 3.3 VDC 5 VDC 5.1 VDC 12 VDC 15 VDC 12 VDC 15 VDC Output Current
Min Max
Input Current (Typ)
No Load Max Load
12 VDC (9 - 18 VDC)
24 VDC (18 - 36 VDC)
48 VDC (36 - 75 VDC)
300mA 200mA 200mA 83mA 66.6mA 42mA 33mA 300mA 300mA 200mA 200mA 83mA 66.6mA 42mA 33mA 300mA 300mA 200mA 200mA 83mA 66.6mA 42mA 33mA
3000mA 2000mA 2000mA 833mA 666mA 416mA 333mA 3000mA 3000mA 2000mA 2000mA 833mA 666mA 416mA 333mA 3000mA 3000mA 2000mA 2000mA 833mA 666mA 416mA 333mA
40mA
20mA
10mA
1006mA 1004mA 1024mA 957mA 968mA 957mA 968mA 377mA 485mA 479mA 489mA 479mA 478mA 473mA 478mA 188mA 243mA 239mA 244mA 240mA 239mA 236mA 243mA
Reflected Ripple Efficiency Max Capacitive Current (Typ) (Typ) Load 82% 2200F 83% 2200F 83% 2200F 60mA 87% 820F 86% 470F 87% 220F 86% 150F 83% 2200F 85% 2200F 87% 2200F 87% 2200F 40mA 87% 820F 87% 470F 87% 220F 87% 150F 83% 2200F 85% 2200F 87% 2200F 87% 2200F 40mA 87% 820F 87% 470F 87% 220F 87% 150F
NOTES
1. Specifications typical at +25C, 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 of 75% to 100%. 3. Ripple and noise measured at 20MHz bandwidth. 4. The LANK 10W Series requires a minimum load on the output to maintain specified regulation. Operation under no-load conditions will not damage these devices, however they may not meet all listed specifications. 5. All DC/DC converters should be externally fused on the front end for protection. 6. Other input and output voltages may be available, please contact factory. 7. Specifications subject to change without notice.
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797
LANK 10W Series
2:1 Wide Input Range Single and Dual Output 10 Watt DC/DC Converter BLOCK DIAGRAMS
Input Voltage Transient Rating
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797
LANK 10W Series
2:1 Wide Input Range Single and Dual Output 10 Watt DC/DC Converter MECHANICAL DRAWING Connecting Pin Patterns
Top View (2.54mm/0.1 inch grids)
Tolerance:
Pin:
Millimeters X.X0.25 X.XX0.13 0.05
Inches X.XX0.01 X.XXX0.005 0.002
PIN CONNECTIONS Pin Single Output Dual Output 2 -Vin -Vin 3 -Vin -Vin 9 No Pin Common 11 NC -Vout 14 +Vout +Vout 16 -Vout Common 22 +Vin +Vin 23 +Vin +Vin
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797
LANK 10W Series
2:1 Wide Input Range Single and Dual Output 10 Watt DC/DC Converter DESIGN & FEATURE CONSIDERATONS 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. By using a good quality low Equivalent Series Resistance (ESR < 1.0 at 100kHz) capacitor of 12F for the 12V input devices, a 4.7F for the 24V input devices, and a 2.2F for the 48V input devices. A capacitor mounted close to the power module helps ensure stability of the unit.
Maximum Capacitive Load
The LANK 10W Series has a limitation of maximum connected capacitance on the output. The power module may operate 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.
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.
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 95C. The derating curves are determined from measurements obtained in an experimental apparatus.
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797
LANK 10W Series
2:1 Wide Input Range Single and Dual Output 10 Watt DC/DC Converter
Efficiency vs Input Voltage ( Single Output )
Efficiency vs Input Voltage ( Dual Output )
Efficiency vs Output Load ( Single Output )
Efficiency vs Output Load ( Dual Output )
Derating Curve
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797
LANK 10W Series
2:1 Wide Input Range Single and Dual Output 10 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 < 1.0 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 a Cout 0.47uF 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.
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797
LANK 10W Series
2:1 Wide Input Range Single and Dual Output 10 Watt 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 3.3uF capacitors at the output.
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: E-mail: Web: Address: (603)778-2300 (888)587-9255 (603)778-9797 sales@wallindustries.com www.wallindustries.com 5 Watson Brook Rd. Exeter, NH 03833
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833 603-778-2300 www.wallindustries.com Fax 603-778-9797

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