JR Series
Single and Dual Outputs
10 Watt DC/DC Converter
2:1 Wide Input Voltage Range
FEATURES
● 10 Watts Output Power
UL
● High Efficiency up to 86%
TUV
CB
● Fixed Switching Frequency
CE MARK
● Six-Sided Continuous Shield
● 2:1 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: JR Series
All specifications apply @ 25°C ambient unless otherwise noted
INPUT SPECIFICATIONS
GENERAL SPECIFICATIONS
Input Voltage Range ............ 5V nominal input......................... 4.5 - 9VDC
Efficiency ........................................................................................see table
Switching Frequency .................................................................300KHz typ.
Isolation Voltage (Input to Output).........................................1600VDC min.
Isolation Resistance ...............................................................109 ohms min.
Isolation Capacitance ................................................................ 300pF max.
12V nominal input........................ 9 - 18VDC
24V nominal input...................... 18 - 36VDC
48V nominal input...................... 36 - 75VDC
Input Filter....................................................................................... Pi Type
Input Surge Voltage (100ms max) ....... 5V input .............................15VDC
12V input ...........................36VDC
ENVIRONMENTAL SPECIFICATIONS
24V input ...........................50VDC
48V input .........................100VDC
Operating Temperature (See derating curves)
Input Reflected Ripple Current (See Note 2) ...............................30mAp-p
(nominal Vin and full load)
Standard............................................... -25°C ~ +85°C (with derating)
“I” (See Note 5)........................................ -40°C ~ +85°C (no derating)
(except for 5V input models)
Start Up Time (nominal Vin and constant resistive load).............20ms typ.
Storage Temperature ..........................................................-55°C ~ +105°C
Maximum Case Temperature............................................................. 100°C
Relative Humidity...................................................................5% to 95% RH
Remote ON/OFF (Option) (See Note 3)
(Positive Logic)............... DC-DC ON.............Open or 3.5V < Vr < 12V
DC-DC OFF.............Short or 0V < Vr < 1.2V
(Negative Logic) ............. DC-DC ON...............Short or 0V < Vr < 1.2V
DC-DC OFF...........Open or 3.5V < Vr < 12V
Thermal Impedance (See Note 6)
Natural Convection.............................................................12°C / Watt
Natural Convection with Heat-Sink.....................................10°C / Watt
Remote Off Input Current (nominal Vin) ............................................20mA
OUTPUT SPECIFICATIONS
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
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%
PHYSICAL SPECIFICATIONS
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
Load Regulation (10% - 100 % FL).............. Single Output.............. ±0.5%
Dual Output ................... ±1%
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
SAFETY & EMC
Temperature Coefficient ................................................. ±0.02% / °C max.
Transient Response Recovery Time (25% load step) .......................250us
Approvals and Standards .................. IEC60950-1, UL60950-1, EN60950-1
(except for 5V input models)
Conducted Emissions.........EN55022 ..............................................Class A
PROTECTION SPECIFICATIONS
Radiated Emissions............EN55022 ..............................................Class A
EN55022 (See Note 7).........................Class B
Over Voltage Protection................. 3.3V output ..................................3.9V
(zener diode clamp)
5V output ..................................6.2V
12V output ...................................15V
15V output ...................................18V
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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