CB Series
Single and Dual Outputs
Rev A
30 Watt DC/DC Converter
2:1 Wide Input Voltage Range
APPLICATIONS
FEATURES
● Measurement
● High Efficiency up to 91%
● Telecom/Datacom
● Wireless Networks
● Industry Control Systems
● Semiconductor Equipment
● Fixed Switching Frequency
● 2:1 Wide Input Voltage Range
● Six-Sided Continuous Shielding
● Standard 2.0 x 1.0 x 0.40 Inches
● Negative Logic Remote ON/OFF Option
● ISO9001 Certified Manufacturing Facilities
● Compliant to RoHS EU Directive 2002/95/EC
● Design Meets UL60950-1, EN60950-1, and IEC60950-1
● CE Mark Meets 2006/95/EC, 93/68/EEC, and 89/336 EEC
SPECIFICATIONS: CB Series
All specifications apply are typical nominal input, full load, and @ 25°C ambient unless otherwise noted
INPUT SPECIFICATIONS
PROTECTION SPECIFICATIONS
Input Voltage Range................12V nominal input............................ 9 - 18 VDC
Over Voltage Protection...............1.5V output.............................................. 2.0V
24V nominal input.......................... 18 - 36 VDC
(zener diode clamp)
2.5V output..............................................3.3V
3.3V output..............................................3.9V
5V, 5.1V, ±5V outputs..............................6.2V
12V & ±12V outputs..................................15V
15V & ±15V outputs..................................18V
48V nominal input.......................... 36 - 75 VDC
Input Filter ...............................................................................................Pi type
Input Surge Voltage (100ms max).................. 12V input....................... 25 VDC
24V input....................... 50 VDC
Over Load Protection (% of full load at nominal input)......................... 150% typ.
Short Circuit Protection............................................. Hiccup, automatic recovery
Over Temperature Protection ............................................................+115°C typ.
GENERAL SPECIFICATIONS
Efficiency ...............................................................................................see table
Switching Frequency ........................................................................430KHz typ.
48V input..................... 100 VDC
Input Reflected Ripple Current (nominal Vin and full load).................. 20mAp-p
Start Up Time (nominal Vin and constant resistive load)
Power Up........................................................................................ 30ms typ.
Remote ON/OFF ............................................................................ 30ms typ.
Start Up Voltage......................12V input ................................................ 9 VDC
24V input .............................................. 18 VDC
Isolation Voltage
48V input .............................................. 36 VDC
Input to Output.......................................................................... 1600VDC min.
Input to case............................................................................. 1600VDC min.
Output to Case ......................................................................... 1600VDC min.
Shutdown Voltage ...................12V input ................................................ 8 VDC
24V input .............................................. 16 VDC
48V input ............................................ 32 VDC
Isolation Resistance ......................................................................109 ohms min.
Isolation Capacitance ......................................................................1500pF max.
Case Grounding ............................. Connect case to-Vin with decoupling Y cap.
ENVIRONMENTAL SPECIFICATIONS
Remote ON/OFF (Note 6)
Positive Logic (standard).........DC-DC ON ................Open or 3V < Vr < 12V
DC-DC OFF .............Short or 0V < Vr < 1.2V
Negative Logic (optional).........DC-DC ON ...............Short or 0V < Vr < 1.2V
DC-DC OFF ..............Open or 3V < Vr < 12V
Operating Temperature ......................................... -40°C ~ +50°C (w/o derating)
Input Current of Remote Control Pin (nominal Vin) ................-0.5mA ~ +0.5mA
Remote Off Input Current (nominal Vin)......................................................3mA
OUTPUT SPECIFICATIONS
Output Voltage .................................................................................... see table
Voltage Accuracy (nominal Vin and full load) ..............................................±1%
Voltage Adjustability (single outputs).........................................................±10%
Output Current..................................................................................... see table
Output Power ...............................................................................30 watts max.
Line Regulation (LL to HL at FL) ..............................................................±0.2%
+50°C ~ +85°C (w/ derating)
Maximum Case Temperature .................................................................. +105°C
Storage Temperature ................................................................. -55°C ~ +125°C
Relative Humidity..........................................................................5% to 95% RH
Thermal Impedance (Note 7)
Natural Convection........................................................................ 12°C / Watt
Natural Convection with Heatsink.................................................. 10°C / Watt
Temperature Coefficient............................................................±0.02% / °C max
Thermal Shock ............................................................................ MIL-STD-810F
Vibration .......................................................................................MIL-STD-810F
Load Regulation (min load to full load)
Single Output Models ...........................................................................±0.5%
Dual Output Models.................................................................................±1%
MTBF for Single & Dual Output Models (Note 1)
BELLCORE-TR-NWT-000332.................................................3.173 X 106 hrs
MIL-HDBK-217F...................................................................... 5.548 x 105 hrs
Cross Regulation (Dual) (Asymmetrical load 25% / 100% FL) ....................±5%
Minimum Load...............................................................................................0%
SAFETY & EMC
Design Meets Safety Standards ................IEC60950-1, UL60950-1, EN60950-1
Ripple/Noise (20 MHz BW).................................................................. see table
(measured with a 0.1µF/50V MLCC)
EMI (Note 8) ..........................EN55022................................................... Class A
Transient Response Recovery Time (25% load step) .............................. 250µs
PHYSICAL SPECIFICATIONS
Air ± 8KV
ESD..................... EN61000-4-2……..
……. .....Perf. Criteria A
Contact ± 6KV
Radiated Immunity.................EN61000-4-3 ....................10V/m Perf. Criteria A
Fast Transient (Note 9)..........EN61000-4-4 ..................... ±2KV Perf. Criteria A
Surge (Note 9).......................EN61000-4-5 ..................... ±1KV Perf. Criteria A
Conducted Immunity..............EN61000-4-6 .................10 Vrms Perf. Criteria A
Potting Material .......................................................................Epoxy (UL94-V0)
Case Material ................................................................... Nickel-coated copper
Base Material ......................................................................................FR4 PCB
Shielding...............................................................................................six-sided
Weight........................................................................................30.5g (1.07 oz)
Dimensions (L x W x H).................................................. 2.0 x 1.0 x 0.40 inches
50.8 x 25.4 x 10.2 mm
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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