Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833

603-778-2300 www.wallindustries.com Fax 603-778-9797

LANCW12 Series

Single and Dual Output

12 Watt DC/DC Converter

2:1 Ultra Wide Input Voltage

FEATURES

● 12 Watts Output power

● High Efficiency up to 88%

● 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

All specifications apply @ 25°C ambient unless otherwise noted

INPUT 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

Temperature Coefficient ................................................. ±0.02% / °C max.

Transient Response Recovery Time (25% load step) ...................... 250us

PROTECTION SPECIFICATIONS

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 ...............................................................10

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 10

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

Due to advances in technology, specifications subject to change without notice

APPLICATIONS

● Measurement

● Wireless Network

● Telecom/Datacom

● Industry Control System

● Semiconductor Equipment