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

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

LANCW8 Series

Single and Dual Output

8 Watt DC/DC Converter

2:1 Wide Input Voltage Range

FEATURES

● 8 Watts Output Power

● Output Current up to 2A

● High Efficiency up to 85%

● Five-Sided Continuous Shield

● 2:1 Wide Input Voltage Range

● Fixed Switching Frequency (300KHz)

● Standard 1.25 x 0.8 x 0.4 Inch Package

● ISO9001 Certified Manufacturing Facilities

● Compliant to RoHS EU Directive 2002/95/EC

● Standard 24 Pin DIP Package & SMT Type Package

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 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) .........700ms max.

Remote ON/OFF (See Note 6)

(Positive Logic)............... DC-DC ON.............Open or 3.5V < 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%

Output Current ..............................................................................see table

Output Power .......................................................................... 8 watts max.

Line Regulation (LL to HL at FL)....................................................... ±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) ...........................................................50mVp-p

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

Transient Response Recovery Time (25% load step) .......................200us

PROTECTION SPECIFICATIONS

Over Load Protection (% of full load at nominal input).............. 150% max.

Short Circuit Protection. ............................Continuous, automatic recovery

GENERAL SPECIFICATIONS

Efficiency.......................................................................................see table

Switching Frequency................................................................300KHz typ.

GENERAL SPECIFICATIONS (Continued)

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 ............................................................... 300pF max.

ENVIRONMENTAL SPECIFICATIONS

Operating Temperature ................................ -40°C ~ +85°C (with 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) .......................................................... 3.053 x 10

PHYSICAL SPECIFICATIONS

Weight ....................................DIP Type ................................. 16g (0.55 oz)

SMT Type................................ 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

SAFETY & EMC

Approvals and Standards .................. IEC60950-1, UL60950-1, EN60950-1

EMI (Note 7) .......................EN55022 .............................................. Class A

ESD ....................EN61000-4-2……..

…….Perf. Criteria B

Radiated Immunity..............EN61000-4-3............... 10V/m Perf. Criteria A

Fast Transient.....................EN61000-4-4................. ±2KV Perf. Criteria B

Surge (See Note 8).............EN61000-4-5................. ±1KV Perf. Criteria B

Conducted Immunity...........EN61000-4-6............ 10 Vrms Perf. Criteria A

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

APPLICATIONS

● Measurement

● Wireless Network

● Telecom/Datacom

● Industry Control System

● Semiconductor Equipment

Air ± 8KV

Contact ± 6KV