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DATASHEET
Rev. B
LANCUW15 SERIES
4:1 Wide Input Voltage Range
Single and Dual Outputs
24 Pin DIP Package
15 Watt DC/DC Power Converters
FEATURES
• Single and Dual Outputs
• Low Profile
• High Power Density with 15 Watts Output Power
• 4:1 Wide Input Voltage Range
• High Efficiency up to 90%
• 1600VDC I/O Isolation
• Output Current up to 4A
• Positive Logic Remote ON/OFF
• Fixed Switching Frequency
• Over Voltage, Over Load, and Short Circuit Protection
APPLICATIONS
• Low Standby Power Dissipation
• Wireless Networks
• Input Under Voltage Lockout
• Telecom / Datacom
• Six-Sided Continuous Shield
• Measurement Equipment
• Standard 24 Pin DIP Package
• Industry Control Systems
• UL60950-1, EN60950-1, and IEC60950-1 Safety Approvals
• Semiconductor Equipment
• Compliant to RoHS EU Directive 2002/95/EC
DESCRIPTION
The LANCUW15 series of DC/DC power converters provides 15 watts of output power in a 1.25 x 0.80 x 0.40 inch DIP
package. This series has single and dual output models with 4:1 wide input voltage ranges of 9-36VDC and 18-75VDC.
Some features include high efficiency, 1600VDC I/O isolation, six-sided shielding, and positive logic remote ON/OFF.
These converters are also protected against over voltage (single outputs only), over load, and short circuit conditions. All
models are RoHS compliant and have UL60950-1, EN60950-1, and IEC60950-1 safety approvals. This series is best suited
for use in wireless networks, telecom/datacom, measurement equipment, industry control systems, and semiconductor
equipment.
06/06/2013
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 1 of 5
LANCUW15 Series
Single & Dual Outputs
4:1 Input Voltage Range
15 Watt DC/DC Power Converters
Rev. B
SPECIFICATIONS: LANCUW15 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
Nom
Max
9
18
24
48
36
75
50
100
9
18
Unit
INPUT SPECIFICATIONS
Input Voltage Range
Input Surge Voltage (1 sec max)
Start-Up Voltage
Shutdown Voltage
Input Reflected Ripple Current
Input Filter
OUTPUT SPECIFICATIONS
Output Voltage
Line Regulation
24VDC nominal input models
48VDC nominal input models
24VDC nominal input models
48VDC nominal input models
24VDC nominal input models
48VDC nominal input models
24VDC nominal input models
48VDC nominal input models
Nominal Vin and full load
Low line to high line at full load
No load to full load
Asymmetrical load 25% to 100% full load
Full load an nominal Vin
Single Output
Dual Output
Single Output
Dual Output
mAp-p
-0.2
-0.5
-0.5
-1
-5
-1.0
+0.2
+0.5
+0.5
+1
+5
+1.0
15
%
%
%
%
W
85
250
Power Up
mVp-p
µs
ms
%
%/°C
30
0
-0.02
% of full load at nominal input
+0.02
150
Hiccup, automatic recovery
See Table
Nominal Vin and full load
%
See Table
330
Input to Output
Input to Case
Output to Case
KHz
1600
1600
1600
10
VDC
GΩ
pF
2000
Positive Logic (See Note 7)
Nominal Vin
Nominal Vin
-0.5
With derating
-40
-55
5
Natural Convection
BELLCORE TR-NWT-000332
MIL-HDBK-217F
PHYSICAL SPECIFICATIONS
Weight
Case Material
Base Material
Potting Material
Dimensions (L x W x H)
SAFETY & EMC CHARACTERISTICS
Safety Approvals
Open or 3.0V < Vr < 12V
Short or 0V < Vr < 1.2V
+0.5
2.5
+100
+105
+105
95
MIL-STD-810F
MIL-STD-810F
20
3,374,000 hours
413,500 hours
mA
mA
°C
°C
°C
% RH
°C/Watt
0.51oz (14.4g)
Nickel-coated copper
FR4 PCB
Epoxy (UL94-V0)
1.25 x 0.80 x 0.40 inches (31.8 x 20.3 x 10.2 mm)
EMI (See Note 8)
EN55022
EN55022
ESD
EN61000-4-2
Radiated Immunity
Fast Transient (See Note 9)
Surge (See Note 9)
Conducted Immunity
EN61000-4-3
EN61000-4-4
EN61000-4-5
EN61000-4-6
06/06/2013
VDC
See Table
20MHz Bandwidth
25% load step change
Nominal Vin and constant resistive load
Isolation Resistance
Isolation Capacitance
REMOTE ON/OFF
MTBF (See Note 1)
VDC
8
16
20
See Table
Cross Regulation (Dual Outputs)
Voltage Accuracy
Output Power
Output Current
Ripple & Noise (See Note 6)
Transient Response Recovery Time
Start-Up Time
Minimum Load
Temperature Coefficient
PROTECTION
Over Load Protection
Short Circuit Protection
Over Voltage Protection (Single Outputs only)
GENERAL SPECIFICATIONS
Efficiency
Switching Frequency
DC/DC ON
DC/DC OFF
Input Current of Remote Control Pin
Remote Off State Input Current
ENVIRONMENTAL SPECIFICATIONS
Operating Ambient Temperature
Maximum Case Temperature
Storage Temperature
Relative Humidity
Thermal Shock
Vibration
Thermal Impedance
VDC
Pi type
Load Regulation
Isolation Voltage
VDC
IEC60950-1, UL60950-1, EN60950-1
Class A
Class B
Air
Contact
±8KV
±6KV
10 V/m
±2KV
±1KV
10 Vrms
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Perf. Criteria A
Perf. Criteria A
Perf. Criteria A
Perf. Criteria A
Perf. Criteria A
Page 2 of 5
LANCUW15 Series
Single & Dual Outputs
4:1 Input Voltage Range
15 Watt DC/DC Power Converters
Rev. B
MODEL SELECTION TABLES
SINGLE OUTPUT MODELS
Model Number
Input Voltage
Range
LANC2433UW15
Output
Voltage
Output Current
Min. Load Full Load
Input Current
No Load
(3)
Full Load
(2)
Over Voltage
Protection
Output
Power
Efficiency (4)
Maximum (5)
Capacitive Load
3.3 VDC
0mA
4000mA
6mA
654mA
3.9 VDC
13.2W
88%
4700µF
LANC2451UW15
24 VDC
5.1 VDC
0mA
3000mA
6mA
741mA
6.2 VDC
15W
90%
3300µF
LANC2412UW15
(9 – 36 VDC)
12 VDC
0mA
1250mA
6mA
726mA
15 VDC
15W
90%
600µF
LANC2415UW15
15 VDC
0mA
1000mA
6mA
726mA
18 VDC
15W
90%
400µF
LANC4833UW15
3.3 VDC
0mA
4000mA
4mA
323mA
3.9 VDC
13.2W
89%
4700µF
LANC4851UW15
48 VDC
5.1 VDC
0mA
3000mA
4mA
375mA
6.2 VDC
15W
89%
3300µF
LANC4812UW15
(18 – 75 VDC)
12 VDC
0mA
1250mA
4mA
363mA
15 VDC
15W
90%
600µF
15 VDC
0mA
1000mA
4mA
363mA
18 VDC
15W
90%
400µF
Output
Power
Efficiency (4)
Maximum (5)
Capacitive Load
LANC4815UW15
DUAL OUTPUT MODELS
Model Number
Input Voltage
Range
LANC2405DUW15
LANC2412DUW15
24 VDC
(9 – 36 VDC)
LANC2415DUW15
LANC4805DUW15
LANC4812DUW15
LANC4815DUW15
48 VDC
(18 – 75 VDC)
Output
Voltage
Output Current
Min. Load Full Load
Input Current
Output (6)
No Load (3) Full Load (2) Ripple & Noise
±5 VDC
0mA
±1500mA
6mA
762mA
85mVp-p
15W
86%
±1500µF
±12 VDC
0mA
±625mA
6mA
735mA
85mVp-p
15W
89%
±288µF
±15 VDC
0mA
±500mA
6mA
726mA
85mVp-p
15W
90%
±200µF
±5 VDC
0mA
±1500mA
4mA
381mA
85mVp-p
15W
86%
±1500µF
±12 VDC
0mA
±625mA
4mA
368mA
85mVp-p
15W
89%
±288µF
±15 VDC
0mA
±500mA
4mA
363mA
85mVp-p
15W
90%
±200µF
NOTES
1. BELLCORE TR-NWT-000332. Case 1: 50% Stress, Temperature at 40°C.
MIL-HDBK-217F Notice2 @Ta=25°C, Full load (Ground, Benign, controlled environment).
2. Maximum value at nominal input voltage and full load.
3. Typical value at nominal input voltage and no load.
4. Typical value at nominal input voltage and full load.
5. Test by minimum Vin and constant resistive load.
6. Ripple and Noise is measured with a 1µF ceramic capacitor in parallel with the output pins.
7. The ON/OFF control pin voltage is referenced to -Vin.
8. The LANCUW15 series can meet EN55022 Class B with an external filter on the input pins to the converter. Please call factory for
more detailed information.
9. An external input filter capacitor is required if the module has to meet EN61000-4-4, EN61000-4-5. The filter capacitor suggested is
Nippon chemi-con KY series, 220µF/100V.
CAUTION: This power module is not internally fused. An input line fuse must always be used.
Due to advances in technology, specifications subject to change without notice.
06/06/2013
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 3 of 5
LANCUW15 Series
Single & Dual Outputs
4:1 Input Voltage Range
15 Watt DC/DC Power Converters
Rev. B
DERATING CURVE
LANC4851UW15
DERATING
C 5 8S05
e at g Cu CURVE
e
OUTPUT POWER (%)
OU U
O
(%)
120
100
80
60
40
20
0
67
-40
-20
0
20
40
60
80
100
120
AMBIENT TEMPERATURE
TEMPERATURE(℃)
AMBIENT
(°C)
CHARACTERISTICS
95
LANC4851UW15
C 5 8S05
EFFICIENCY
INPUT
VOLTAGE
EFFICIENCY VSVS
INPUT
VOLTAGE
95
90
90
85
85
EFFICIENCY(%).
EFFICIENCY(%).
LANC4851UW15
C 5 8S05
EFFICIENCY
LOAD
EFFICIENCY VS VS
LOAD
80
75
80
75
70
70
Vin= 18V
65
65
Vin= 48V
Vin= 75V
60
60
55
18
24
30
36
42
48
54
60
66
72
75
10
30
20
50
40
INPUT VOLTAGE(V)
60
70
80
90
100
% of FULL LOAD
MECHANICAL DRAWING
Unit: inches (mm)
PIN CONNECTIONS
PIN
SINGLE
DUAL
PIN
SINGLE
DUAL
1
CTRL
CTRL
2
-INPUT
-INPUT
23
+INPUT
+INPUT
3
-INPUT
-INPUT
22
+INPUT
+INPUT
9
NC
COMMON
16
-OUTPUT COMMON
11
NC
-OUTPUT
14
+OUTPUT +OUTPUT
1. Tolerance: x.xx±0.02 (x.x±0.5)
x.xxx±0.01 (x.xx±0.25)
2. Pin Pitch Tolerance: ±0.01 (0.25)
3. Pin Material: Copper
4. Pin Foundation Plating / Thickness: nickel / 1-3µm
5. Pin Surface / Thickness: Tin / 3-5µm
6. Pin Finishing: Matte
06/06/2013
Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797
Page 4 of 5
Rev. B
LANCUW15 Series
Single & Dual Outputs
4:1 Input Voltage Range
15 Watt DC/DC Power Converters
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:
06/06/2013
(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 5 of 5