JRW Ultra Wide Series
Single and Dual Outputs
10 Watt DC/DC Converter
4:1 Ultra Wide Input Voltage Range
FEATURES
● 10 Watts Output Power
● High Efficiency up to 86%
● Fixed Switching Frequency
● Six-Sided Continuous Shield
UL
TUV
CB
CE MARK
● 4:1 Wide Input Voltage Range
● Standard 2 x 1 x 0.4 inch Package
● International Safety Standard Approval
● Options: Add suffix “-I” for Extended Operating Temperature Range
SPECIFICATIONS: JRW Ultra Wide Series
All specifications apply @ 25°C ambient unless otherwise noted
INPUT SPECIFICATIONS
GENERAL SPECIFICATIONS
Input Voltage Range ............ 24V nominal input........................ 9 - 36VDC
Efficiency ........................................................................................see table
Switching Frequency .................................................................300KHz typ.
Isolation Voltage (Input to Output).........................................1600VDC min.
Isolation Resistance ...............................................................109 ohms min.
Isolation Capacitance ................................................................ 300pF max.
48V nominal input...................... 18 - 75VDC
Input Filter....................................................................................... Pi Type
Input Surge Voltage (100ms max) ....... 24V input ...........................50VDC
48V input .........................100VDC
Input Reflected Ripple Current (See Note 2) ...............................30mAp-p
(nominal Vin and full load)
ENVIRONMENTAL SPECIFICATIONS
Start Up Time (nominal Vin and constant resistive load).............20ms typ.
Operating Temperature (See derating curves)
Remote ON/OFF (Option) (See Note 3)
Standard............................................... -25°C ~ +85°C (with derating)
(Positive Logic)............... DC-DC ON.............Open or 3.5V < Vr < 12V
DC-DC OFF.............Short or 0V < Vr < 1.2V
“I” (See Note 5)...................................... -40°C ~ +85°C (with derating)
Storage Temperature ..........................................................-55°C ~ +105°C
Maximum Case Temperature............................................................. 100°C
Relative Humidity...................................................................5% to 95% RH
(Negative Logic) ............. DC-DC ON...............Short or 0V < Vr < 1.2V
DC-DC OFF...........Open or 3.5V < Vr < 12V
Remote Off Input Current (nominal Vin) ............................................20mA
Thermal Impedance (See Note 6)
OUTPUT SPECIFICATIONS
Natural Convection.............................................................12°C / Watt
Natural Convection with Heat-Sink.....................................10°C / Watt
Output Voltage..............................................................................see table
Voltage Accuracy (nominal Vin and full load) ...................................... ±1%
Output Current ..............................................................................see table
Output Power........................................................................ 10 watts max.
Line Regulation (LL to HL at FL)....................................................... ±0.2%
Thermal Shock .................................................................... MIL-STD-810D
Vibration ................................10~55Hz, 10G, 30 minutes along X, Y, and Z
MTBF (See Note 4) ..........................................................1.976 x 106 hours
PHYSICAL SPECIFICATIONS
Load Regulation (10% - 100 % FL).............. Single Output.............. ±0.5%
Dual Output ................... ±1%
Weight ..................................................................................... 27g (0.95 oz)
Dimensions....................... 2.0 x 1.0 x 0.40 inches (50.8 x 25.4 x 10.2 mm)
Case Material ..............................................................Nickel-coated copper
Base Material...................................................Non-conductive black plastic
Potting material..................................................................Epoxy (UL94-V0)
Shielding......................................................................................... six-sided
Cross Regulation (Dual) (Asymmetrical load 25% / 100% FL) ............ ±5%
Minimum Load (See Note 1) ..............................................10% of full load
Ripple/Noise (20 MHz BW)...................... Single Output..............50mVp-p
Dual Output ................75mVp-p
Temperature Coefficient ................................................. ±0.02% / °C max.
Transient Response Recovery Time (25% load step) .......................250us
SAFETY & EMC
Approvals and Standards .................. IEC60950-1, UL60950-1, EN60950-1
PROTECTION SPECIFICATIONS
Conducted Emissions.........EN55022 ..............................................Class A
Over Voltage Protection................. 3.3V output ..................................3.9V
(zener diode clamp)
5V output ....................................6.2V
12V output ....................................15V
15V output ....................................18V
Radiated Emissions............EN55022 ..............................................Class A
EN55022 (See Note 7).........................Class B
ESD ....................................EN61000-4-2.............................Perf. Criteria B
Radiated Immunity..............EN61000-4-3.............................Perf. Criteria A
Fast Transient.....................EN61000-4-4.............................Perf. Criteria B
Surge..................................EN61000-4-5.............................Perf. Criteria B
Conducted Immunity...........EN61000-4-6.............................Perf. Criteria A
Over Load Protection (% of full load at nominal input).............. 150% max.
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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