JFCW Series
Single & Dual Output
Rev. B 4/16/2008
15 Watt DC/DC Converter
4:1 Ultra Wide Input Voltage Range
APPLICATIONS
FEATURES
● Measurement
● Six-Sided Shielding
● Wireless Network
● Input to Output Isolation
● Telecom/Datacom
● Industry Control System
● Semiconductor Equipment
● High Efficiency up to 88%
● Fixed Switching Frequency
● 15 Watts Maximum Output Power
● 4:1 Ultra Wide Input Voltage Range
● ISO9001 Certified Manufacturing Facilities
● Compliant to RoHS EU Directive 2002/95/EC
● Industry Standard Pin-Out DM Series Compatible
● Small Size and Low Profile: 1.0 x 1.0 x 0.39 Inches
● UL60950-1, EN60950-1, and IEC60950-1 Licensed
● CE Mark Meets 2006/95/EC, 93/68/EEC, and 2004/108/EC
● Options: Positive Logic Remote On/Off, Without Trim, Without On/Off pin
SPECIFICATIONS: JFCW Series
All specifications apply @ 25°C ambient unless otherwise noted
INPUT SPECIFICATIONS
PROTECTION SPECIFICATIONS
Over Voltage Protection ...........3.3V output............................... 3.7V - 5.4V
Input Voltage Range ............ 24V nominal input........................ 9 - 36VDC
5V output............................... 5.6V - 7.0V
48V nominal input...................... 18 - 75VDC
12V output........................... 13.5V - 19.6V
Input Voltage Variation .................... dv/dt................................ 5V/ms max
(Complies with EST300 132 part 4.4)
15V output........................... 16.8V - 20.5V
Over Load Protection (% of FL at nominal input) ......................... 150% typ.
Short Circuit Protection......................................Hiccup, automatic recovery
Input Surge Voltage (100ms max) ....... 24V input ...........................50VDC
48V input .........................100VDC
Reflected Ripple Current (nominal Vin and full load)....................30mAp-p
GENERAL SPECIFICATIONS
Start Up Time (nominal Vin and constant resistive load)
Efficiency ........................................................................................see table
Power Up..............................................................................30ms max.
Remote ON/OFF ..................................................................30ms max.
Switching Frequency .................................................................400KHz typ.
Isolation Voltage
Start-Up Voltage .................................. 24V input .............................9VDC
48V input ...........................18VDC
Input to Output...................................................................1600VDC min.
Input to Case .....................................................................1000VDC min.
Output to Case...................................................................1000VDC min.
Shutdown Voltage................................ 24V input .............................8VDC
48V input ...........................16VDC
Isolation Resistance .................................................................... 10GΩ min.
Remote ON/OFF (See Note 7)
Isolation Capacitance .............................................................. 1000pF max.
Positive Logic ................. DC-DC ON................Open or 3V < Vr < 12V
(option)
DC-DC OFF.............Short or 0V < Vr < 1.2V
ENVIRONMENTAL SPECIFICATIONS
Negative Logic................ DC-DC ON...............Short or 0V < Vr < 1.2V
Operating Temperature ................................ -40°C ~ +85°C (with derating)
Storage Temperature ..........................................................-55°C ~ +125°C
Maximum Case Temperature............................................................. 105°C
Relative Humidity...................................................................5% to 95% RH
(standard) DC-DC OFF..............Open or 3V < Vr < 12V
Input Current of Remote Control Pin (nominal Vin) .......... -0.5mA ~ 1.0mA
Remote Off State Input Current (nominal Vin)..................................2.5mA
OUTPUT SPECIFICATIONS
Thermal Impedance (See Note 8)
Output Voltage..............................................................................see table
Voltage Accuracy (full load and nominal Vin) ...................................... ±1%
Voltage Adjustability (See Note 6) ..................................................... ±10%
Output Current ..............................................................................see table
Output Power........................................................................ 15 watts max.
Natural Convection..............................................................18.2°C / Watt
Natural Convection with heat-sink.......................................15.8°C / Watt
Thermal Shock ..................................................................... MIL-STD-810F
Vibration ...................10~55Hz, 2G, 3 min period, 30 min along X, Y, and Z
MTBF (See Note 1)
BELLCORE TR-NWT-000332......................................1.330 x 106 hours
MIL-HDBK-217F ...........................................................5.630 x 105 hours
Line Regulation (LL to HL at FL) ............................Single .............. ±0.2%
Dual.................. ±0.5%
PHYSICAL SPECIFICATIONS
Load Regulation (no load to full load) .....................Single ............... ±0.2%
Dual.................. ±0.5%
Weight .................................................................................................... 15g
Dimensions......................... 1.0 x 1.0 x 0.39 inches (25.4 x 25.4 x 9.9 mm)
Case Material ..............................................................Nickel-coated copper
Base Material...................................................... Non-conductive black FR4
Potting Material..................................................................Epoxy (UL94-V0)
Shielding...................................................................................... six – sided
Minimum Load ....................................................................................... 0%
Ripple/Noise (20 MHz BW)...........................................................see table
(measured with a 1µF M/C and a 10µF T/C)
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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