LANCW12 Series
Single and Dual Output
12 Watt DC/DC Converter
2:1 Ultra Wide Input Voltage
APPLICATIONS
FEATURES
● Measurement
● 12 Watts Output power
● Wireless Network
● High Efficiency up to 88%
● Telecom/Datacom
● Industry Control System
● Semiconductor Equipment
● 2:1 Wide Input Voltage Range
● Five-Sided Continuous Shield
● DIP and SMT Types Available
● Standard 1.25 x 0.8 x 0.4 Inches
● Fixed Switching Frequency (400KHz)
● Compliant to RoHS EU Directive 2002/95/EC
● UL60950-1, EN60950-1, and IEC60950-1 Licensed
● CE Mark meets 2006/95/EC, 93/68/EEC, and 89/336 EEC
SPECIFICATIONS: LANCW12 Series
All specifications apply @ 25°C ambient unless otherwise noted
INPUT SPECIFICATIONS
PROTECTION SPECIFICATIONS
Input Voltage Range ............ 12V nominal input.......................... 9-18VDC
Over Voltage Protection (single output) ...........2.5V Output.................3.9V
24V nominal input........................ 18-36VDC
Zener diode clamp
3.3V Output.................3.9V
5.1V Output.................6.2V
12V Output...................15V
15V Output...................18V
48V nominal input........................ 36-75VDC
(only for single outputs)
Input Filter.......................................................................................PI Type
Input Voltage Variation................. dv/dt.................................... 5V/ms max
Complies with ETS300 132 part 4.4)
Over Load Protection (% of full load at nominal input)................. 150% typ.
Short Circuit Protection...............................Continuous, automatic recovery
Input Surge Voltage (100ms max) ...... 12V input ...........................36VDC
24V input ...........................50VDC
GENERAL SPECIFICATIONS
Efficiency ........................................................................................see table
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.
Switching Frequency .................................................................400KHz typ.
Isolation Voltage
Start Up Voltage................... 12V ......................................................9VDC
24V ....................................................18VDC
Input to Output...............................................................1600VDC min.
Input (Output) to Case (DIP)..........................................1600VDC min.
Input (Output) to Case (SMT)........................................1000VDC min.
48V ....................................................36VDC
Shutdown Voltage................ 12V ......................................................8VDC
24V ....................................................16VDC
Isolation Resistance ...............................................................109 ohms min.
48V ....................................................33VDC
Isolation Capacitance ............................................................. 1200pF max.
Remote ON/OFF (See Note 6)
ENVIRONMENTAL SPECIFICATIONS
(Positive Logic)............... DC-DC ON.............Open or 3.0V < Vr < 12V
DC-DC OFF.............Short or 0V < Vr < 1.2V
Operating Temperature ...................................-40°C to +85°C (w/ derating)
Storage Temperature ..........................................................-55°C ~ +105°C
Maximum Case Temperature............................................................. 100°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) ................................................................ 2.75 x 106 hrs
Input Current of Remote Control Pin (nominal Vin) .......... -0.5mA ~ 0.5mA
Remote Off State Input Current (nominal Vin)..................................2.5mA
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%
Dual ............................ ±0.5%
PHYSICAL SPECIFICATIONS
Weight ..................................................................................... 18g (0.62 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
Load Regulation (no load to full load) ...... Single Output (DIP) ....... ±0.5%
Single Output (SMT).......... ±1%
Dual Output (SMT, DIP) .... ±1%
2.5Vo only.......................... ±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
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
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