CBW Series
Rev A
Single, Dual, and Triple Outputs
4:1 Ultra Wide Input Voltage Range
APPLICATIONS
FEATURES
● Measurement
● High Efficiency up to 91%
● Telecom/Datacom
● Wireless Networks
● Industry Control Systems
● Semiconductor Equipment
● Fixed Switching Frequency
● Six-Sided Continuous Shielding
● Standard 2.0 x 1.0 x 0.40 Inches
● 4:1 Ultra Wide Input Voltage Range
● 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: CBW Series
All specifications apply are typical nominal input, full load, and @ 25°C ambient unless otherwise noted
INPUT SPECIFICATIONS
GENERAL SPECIFICATIONS
Input Voltage Range................24V nominal input............................ 9 - 36 VDC
Efficiency ...............................................................................................see table
48V nominal input.......................... 18 - 75 VDC
Switching Frequency
Input Filter ...............................................................................................Pi type
Input Surge Voltage (100ms max).................. 24V input........................ 50VDC
Single & Dual Output Models........................................................430KHz typ.
Triple Output models ....................................................................400KHz typ.
48V input...................... 100VDC
Isolation Voltage
Input to Output.......................................................................... 1600VDC min.
Input to case............................................................................. 1600VDC min.
Output to Case ......................................................................... 1600VDC min.
Input Reflected Ripple Current (nominal Vin and full load).................. 20mAp-p
Start Up Time (nominal Vin and constant resistive load)
Power Up........................................................................................ 30ms typ.
Isolation Resistance ......................................................................109 ohms min.
Isolation Capacitance ......................................................................1500pF max.
Case Grounding ............................. Connect case to-Vin with decoupling Y cap.
ENVIRONMENTAL SPECIFICATIONS
Remote ON/OFF ............................................................................ 30ms typ.
Start Up Voltage......................24V input ................................................ 9 VDC
48V input .............................................. 18 VDC
Shutdown Voltage ...................24V input .............................................. 8 VDC
48V input ............................................ 16 VDC
Operating Temperature ......................................... -40°C ~ +50°C (w/o derating)
Remote ON/OFF (Note 6)
+50°C ~ +85°C (w/ derating)
Positive Logic (standard).........DC-DC ON ................Open or 3V < Vr < 12V
DC-DC OFF .............Short or 0V < Vr < 1.2V
Storage Temperature ................................................................. -55°C ~ +125°C
Maximum Case Temperature .................................................................. +105°C
Relative Humidity..........................................................................5% to 95% RH
Negative Logic (optional).........DC-DC ON ...............Short or 0V < Vr < 1.2V
DC-DC OFF ..............Open or 3V < Vr < 12V
Thermal Impedance (Note 8)
Input Current of Remote Control Pin (nominal Vin) ................-0.5mA ~ +0.5mA
Remote Off Input Current (nominal Vin)......................................................3mA
OUTPUT SPECIFICATIONS
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
Output Voltage .................................................................................... see table
Voltage Accuracy (nominal Vin and full load)
Single & Dual Output Models...................................................................±1%
Triple Output Models .......................................... ±1% (main), ±5% (auxiliary)
MTBF for Single & Dual Output Models (Note 1)
BELLCORE TR-NWT-000332 .................................................3.163 X 106 hrs
Voltage Adjustability (single outputs).........................................................±10%
Output Current..................................................................................... see table
Output Power ...............................................................................30 watts max.
MIL-HDBK-217F...................................................................... 4.347 x 105 hrs
MTBF for Triple Output Models (Note 1)
BELLCORE TR-NWT-000332 .................................................2.904 X 106 hrs
Line Regulation (LL to HL at FL)
MIL-HDBK-217F...................................................................... 3.184 x 105 hrs
Single & Dual Output Models................................................................±0.2%
PHYSICAL SPECIFICATIONS
Triple Output Models ..........................................±1% (main), ±5% (auxiliary)
Potting Material.........................................................................Epoxy (UL94-V0)
Case Material .....................................................................Nickel-coated copper
Base Material........................................................................................ FR4 PCB
Shielding................................................................................................ six-sided
Weight ......................................................................................... 30.5g (1.07 oz)
Load Regulation (min load to full load)
Single Output Models ...........................................................................±0.5%
Dual Output Models.................................................................................±1%
Triple Output Models .......................................... ±1% (main), ±5% (auxiliary)
Cross Regulation (Dual) (Asymmetrical load 25% / 100% FL) ....................±5%
Minimum Load (Note 7)....................................................................... see table
Dimensions (L x W x H)....................................................2.0 x 1.0 x 0.40 inches
50.8 x 25.4 x 10.2 mm
Ripple/Noise (20 MHz BW).................................................................. see table
(measured with a 0.1µF/50V MLCC)
SAFETY & EMC
Transient Response Recovery Time (25% load step) .............................. 250µs
PROTECTION SPECIFICATIONS
Design Meets Safety Standards ................IEC60950-1, UL60950-1, EN60950-1
EMI (Note 9) ..............................EN55022 .............................................. Class A
ESD..................... EN61000-4-2……..
Air ± 8KV
Over Voltage Protection ..............1.5V output.............................................2.0V
……. .....Perf. Criteria A
Contact ± 6KV
(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
Radiated Immunity.....................EN61000-4-3................10V/m Perf. Criteria A
Fast Transient (Note 10)............EN61000-4-4................. ±2KV Perf. Criteria A
Surge (Note 10).........................EN61000-4-5................. ±1KV Perf. Criteria A
Conducted Immunity..................EN61000-4-6.............10 Vrms Perf. Criteria A
Over Load Protection (% of full load at nominal input) .......................150% typ.
Short Circuit Protection............................................Hiccup, automatic recovery
Over Temperature Protection.......................................................... +115°C typ.
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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