English
Language : 

LANCW12 Datasheet, PDF (1/3 Pages) Wall Industries,Inc. – Single and Dual Output 12 Watt DC/DC Converter 2:1 Ultra Wide Input Voltage
LANCW12 Series
Single and Dual Output
12 Watt DC/DC Converter
2:1 Ultra Wide Input Voltage
FEATURES
APPLICATIONS
● 12 Watts Output power
● High Efficiency up to 88%
● 2:1 Wide Input Voltage Range
● Five-Sided Continuous Shield
● DIP and SMT Types Available
● Measurement
● Wireless Network
● Telecom/Datacom
● Industry Control System
● Semiconductor Equipment
● 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
24V nominal input ........................ 18-36VDC
48V nominal input ........................ 36-75VDC
Input Filter ....................................................................................... PI Type
Input Voltage Variation................. dv/dt .................................... 5V/ms max
Complies with ETS300 132 part 4.4)
Input Surge Voltage (100ms max) ...... 12V input ...........................36VDC
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................... 12V ......................................................9VDC
24V ....................................................18VDC
48V ....................................................36VDC
Shutdown Voltage................ 12V ......................................................8VDC
24V ....................................................16VDC
48V ....................................................33VDC
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
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%
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
Over Voltage Protection (single output) ........... 2.5V Output................. 3.9V
Zener diode clamp
3.3V Output................. 3.9V
(only for single outputs)
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 ...............................................................109 ohms min.
Isolation Capacitance ............................................................. 1200pF max.
ENVIRONMENTAL SPECIFICATIONS
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
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
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