JFC Series
Single & Dual Outputs
15 Watt DC/DC Converter
2:1 Wide Input Voltage Range
Rev C
APPLICATIONS
● Measurement
FEATURES
● Six-Sided Shielding
● Telecom/Datacom
● Wireless Networks
● Industry Control Systems
● Semiconductor Equipment
● High Efficiency up to 89%
● Fixed Switching Frequency
● 2:1 Wide Input Voltage Range
● 1600VDC Input to Output Isolation
● 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: Negative Logic Remote On/Off, Without Trim, Without On/Off pin
SPECIFICATIONS: JFC Series
All specifications apply @ 25°C ambient unless otherwise noted
INPUT SPECIFICATIONS
GENERAL SPECIFICATIONS
Efficiency ........................................................................................see table
Switching Frequency .................................................................400KHz typ.
Input Voltage Range ............ 12V nominal input........................ 9 - 18VDC
24V nominal input...................... 18 - 36VDC
48V nominal input...................... 36 - 75VDC
Isolation Voltage
Input Voltage Variation .................... dv/dt................................ 5V/ms max
(Complies with EST300 132 part 4.4)
Input to Output...................................................................1600VDC min.
Input to Case .....................................................................1000VDC min.
Output to Case...................................................................1000VDC min.
Input Surge Voltage (100ms max) ....... 12V input ...........................36VDC
24V input ...........................50VDC
Isolation Resistance .................................................................... 10GΩ min.
Isolation Capacitance .............................................................. 1000pF max.
ENVIRONMENTAL SPECIFICATIONS
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
48V input .........................100VDC
Reflected Ripple Current (nominal Vin and full load .....................30mAp-p
Start Up Time (nominal Vin and constant resistive load)
Power Up..............................................................................30ms max.
Remote ON/OFF ..................................................................30ms max.
Start-Up Voltage .................................. 12V input .............................9VDC
24V input ...........................17VDC
48V input ...........................33VDC
Thermal Impedance (See Note 8)
Shutdown Voltage................................ 12V input .............................8VDC
24V input ........................14.5VDC
Natural Convection..............................................................18.2°C / Watt
Natural Convection with heat-sink.......................................15.8°C / Watt
48V input ........................30.5VDC
Thermal Shock ..................................................................... MIL-STD-810F
Vibration ................................................................................MIL-STD-810F
Temperature Coefficient................................................... ±0.02% / °C max.
Remote ON/OFF (See Note 7)
Positive Logic ................. DC-DC ON................Open or 3V < Vr < 12V
(standard)
Negative Logic................ DC-DC ON...............Short or 0V < Vr < 1.2V
(option “R suffix”) DC-DC OFF..............Open or 3V < Vr < 12V
DC-DC OFF.............Short or 0V < Vr < 1.2V
MTBF (See Note 1)
BELLCORE TR-NWT-000332......................................1.330 x 106 hours
MIL-HDBK-217F ...........................................................5.630 x 105 hours
Input Current of Remote Control Pin (nominal Vin) .......... -0.5mA ~ 1.0mA
Remote Off State Input Current (nominal Vin)..................................2.5mA
OUTPUT SPECIFICATIONS
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.
PHYSICAL SPECIFICATIONS
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................................................................................. FR4 PCB
Potting Material..................................................................Epoxy (UL94-V0)
Shielding...................................................................................... six – sided
SAFETY & EMC
Line Regulation (LL to HL at FL).............. Single Output.................. ±0.2%
Dual Output .................... ±0.5%
Approvals and Standards .................. IEC60950-1, UL60950-1, EN60950-1
EMI (See Note 9) ..................EN55022 ..............................................Class A
Load Regulation (no load to full load) ...... Single Output.................. ±0.2%
Dual Output .................... ±1.0%
Air
± 8KV
ESD ................EN61000-4-2……..
.............Perf. Criteria B
Contact ± 6KV
Cross Regulation (Dual) (Asymmetrical load 25% / 100% FL) ............ ±5%
Ripple/Noise (20 MHz BW)...........................................................see table
(measured with a 1μF M/C and a 10μF T/C)
Radiated Immunity..............EN61000-4-3............... 10V/m Perf. Criteria A
Fast Transient (See Note 10)..........EN61000-4-4.......±2KV Perf. Criteria A
Surge (See Note 10) .............EN61000-4-5..............±0.5KV Perf. Criteria A
Conducted Immunity...........EN61000-4-6............... 3Vrms Perf. Criteria A
Minimum Load ....................................................................................... 0%
Transient Response Recovery Time (25% load step) ...................... 250μs
PROTECTION SPECIFICATIONS
Over Voltage Protection........... 3.3V output ............................. 3.7V - 5.4V
5V output ............................. 5.6V - 7.0V
12V output ......................... 13.5V - 19.6V
15V output ......................... 16.8V - 20.5V
Over Load Protection (% of FL at nominal input)........................ 150% typ.
Short Circuit Protection....................................Hiccup, automatic recovery
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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