LANCUW12 Ultra Wide Series
Single and Dual Output
12 Watt DC/DC Converter
4:1 Ultra Wide Input Voltage
FEATURES
APPLICATIONS
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Measurement
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12 Watts Output power
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Wireless Network
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High Efficiency up to 88%
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Telecom/Datacom
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Five-Sided Continuous Shield
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Industry Control System
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DIP and SMT Types Available
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Semiconductor Equipment
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Standard 1.25 x 0.8 x 0.4 Inches
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4:1 Ultra Wide Input Voltage Range
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Fixed Switching Frequency (400KHz)
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Compliant to RoHS EU Directive 2002/95/EC
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UL60950-1, EN60950-1, and IEC60950-1 Licensed
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CE Mark meets 2006/95/EC, 93/68/EEC, and 89/336 EEC
SPECIFICATIONS:
LANCUW12 Ultra Wide Series
All specifications apply @ 25°C ambient unless otherwise noted
INPUT SPECIFICATIONS
Input Voltage Range ............ 24V nominal input .......................... 9-36VDC
48V nominal input ........................ 18-75VDC
Input Filter ....................................................................................... PI Type
Input Voltage Variation................. dv/dt .................................... 5V/ms max
Complies with ETS300 132 part 4.4)
Input Surge Voltage (100ms max) ...... 24V input ...........................50VDC
48V input .........................100VDC
Input Reflected Ripple Current (nominal Vin and full load) ...........20mAp-p
Start Up Time (nominal Vin and constant resistive load) ...........450ms typ.
Start Up Voltage................... 24V ......................................................9VDC
48V ....................................................18VDC
Shutdown Voltage................ 24V ......................................................8VDC
48V ....................................................16VDC
Remote ON/OFF (See Note 6)
(Positive Logic)............... DC-DC ON .............Open or 3.0V < Vr < 12V
DC-DC OFF .............Short or 0V < Vr < 1.2V
Input Current of Remote Control Pin (nominal Vin) .......... -0.5mA ~ 0.5mA
Remote Off State Input Current (nominal Vin) ..................................2.5mA
PROTECTION SPECIFICATIONS
Over Voltage Protection (single output) ........... 3.3V Output................. 3.9V
5.1V Output................. 6.2V
12V Output................... 15V
15V Output................... 18V
Over Load Protection (% of full load at nominal input) ................. 150% typ.
Short Circuit Protection...............................Continuous, automatic recovery
GENERAL SPECIFICATIONS
Efficiency ........................................................................................see table
Switching Frequency .................................................................400KHz typ.
Isolation Voltage
Input to Output ............................................................... 1600VDC min.
Input (Output) to Case (DIP).......................................... 1600VDC min.
Input (Output) to Case (SMT) ........................................ 1000VDC min.
Isolation Resistance ...............................................................10 ohms min.
Isolation Capacitance ............................................................. 1500pF max.
9
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature
Vo = 5.1V, 12V, 15V, ±12V, ±15V ......... -40°C to +69°C (w/o derating)
+69°C to +105°C (w/ derating)
Vo = 3.3V, ±5V ...................................... -40°C to +61°C (w/o derating)
+61°C to 105°C (w/ derating)
Storage Temperature .......................................................... -55°C ~ +125°C
Maximum Case Temperature ............................................................. 105°C
Relative Humidity (non-condensing) .....................................5% to 95% RH
Thermal Impedance (Natural Convection) ................................. 20°C / Watt
Thermal Shock ..................................................................... MIL-STD-810F
Vibration ................................10~55Hz, 10G, 30 minutes along X, Y, and Z
MTBF (See Note 1) ........BELLCORE-TR-NWT-000332 ....... 2.75 x 10 hrs
5
MIL-STD-217F ............................. 8.745 x 10 hrs
6
OUTPUT SPECIFICATIONS
Output Voltage ..............................................................................see table
Voltage Accuracy (nominal Vin and full load) ................................... ±1.2%
Output Current ..............................................................................see table
Output Power ........................................................................ 12 watts max.
Line Regulation (LL to HL at FL)…………… Single.......................... ±0.2%
Load Regulation (no load to full load) ...... Single Output (DIP) ....... ±0.5%
Single Output (SMT).......... ±1%
Dual Output (SMT, DIP) .... ±1%
Cross Regulation (Dual) (Asymmetrical load 25% / 100% FL) ............ ±5%
Minimum Load ....................................................................................... 0%
Ripple/Noise (20 MHz BW) ...........................................................85mVp-p
Temperature Coefficient ................................................. ±0.02% / °C max.
Transient Response Recovery Time (25% load step) ...................... 250us
PHYSICAL SPECIFICATIONS
Weight ..................................................................................... 18g (0.63 oz)
Dimensions................... 1.25 x 0.80 x 0.40 inches (31.8 x 20.3 x 10.2 mm)
Case Material ..............................................................Nickel-coated copper
Base Material...................................................Non-conductive black plastic
Potting material..................................................................Epoxy (UL94-V0)
Shielding..................................................................................... five – sided
Due to advances in technology, 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
WALL [ WALL INDUSTRIES,INC. ]
