Rev A
CBW Series
30 Watt DC/DC Converter
Single, Dual, and Triple Outputs
4:1 Ultra Wide Input Voltage Range
FEATURES
●
High Efficiency up to 91%
●
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
APPLICATIONS
●
Measurement
●
Telecom/Datacom
●
Wireless Networks
●
Industry Control Systems
●
Semiconductor Equipment
SPECIFICATIONS:
CBW Series
All specifications apply are typical nominal input, full load, and @ 25°C ambient unless otherwise noted
INPUT SPECIFICATIONS
Input Voltage Range................24V nominal input............................ 9 - 36 VDC
48V nominal input.......................... 18 - 75 VDC
Input Filter ............................................................................................... Pi type
Input Surge Voltage (100ms max).................. 24V input........................ 50VDC
48V input...................... 100VDC
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 ......................24V input ................................................ 9 VDC
48V input .............................................. 18 VDC
Shutdown Voltage ...................24V input .............................................. 8 VDC
48V input ............................................ 16 VDC
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
Input Current of Remote Control Pin (nominal Vin) ................-0.5mA ~ +0.5mA
Remote Off Input Current (nominal Vin) ......................................................3mA
GENERAL SPECIFICATIONS
Efficiency ...............................................................................................see table
Switching Frequency
Single & Dual Output Models........................................................ 430KHz typ.
Triple Output models .................................................................... 400KHz typ.
Isolation Voltage
Input to Output.......................................................................... 1600VDC min.
Input to case ............................................................................. 1600VDC min.
Output to Case ......................................................................... 1600VDC min.
Isolation Resistance ......................................................................10
9
ohms min.
Isolation Capacitance ......................................................................1500pF max.
Case Grounding ............................. Connect case to-Vin with decoupling Y cap.
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature ......................................... -40°C ~ +50°C (w/o derating)
+50°C ~ +85°C (w/ derating)
Storage Temperature ................................................................. -55°C ~ +125°C
Maximum Case Temperature .................................................................. +105°C
Relative Humidity.......................................................................... 5% to 95% RH
Thermal Impedance
(Note 8)
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
MTBF for Single & Dual Output Models
(Note 1)
BELLCORE TR-NWT-000332 .................................................3.163 X 10
6
hrs
MIL-HDBK-217F ...................................................................... 4.347 x 10
5
hrs
MTBF for Triple Output Models
(Note 1)
BELLCORE TR-NWT-000332 .................................................2.904 X 10
6
hrs
MIL-HDBK-217F ...................................................................... 3.184 x 10
5
hrs
OUTPUT SPECIFICATIONS
Output Voltage .................................................................................... see table
Voltage Accuracy (nominal Vin and full load)
Single & Dual Output Models...................................................................±1%
Triple Output Models .......................................... ±1% (main), ±5% (auxiliary)
Voltage Adjustability (single outputs).........................................................±10%
Output Current..................................................................................... see table
Output Power ............................................................................... 30 watts max.
Line Regulation (LL to HL at FL)
Single & Dual Output Models................................................................±0.2%
Triple Output Models .......................................... ±1% (main), ±5% (auxiliary)
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
Ripple/Noise (20 MHz BW).................................................................. see table
(measured with a 0.1µF/50V MLCC)
Transient Response Recovery Time (25% load step) .............................. 250µs
PHYSICAL SPECIFICATIONS
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
SAFETY & EMC
Design Meets Safety Standards ................IEC60950-1, UL60950-1, EN60950-1
EMI
(Note 9)
..............................EN55022 .............................................. Class A
ESD ..................... EN61000-4-2…….. Air ± 8KV
……. ..... Perf. Criteria A
Contact ± 6KV
Radiated Immunity.....................EN61000-4-3 ................10V/m
Fast Transient
(Note 10)............EN61000-4-4
................. ±2KV
Surge
(Note 10)
.........................EN61000-4-5 ................. ±1KV
Conducted Immunity..................EN61000-4-6 .............10 Vrms
Perf. Criteria A
Perf. Criteria A
Perf. Criteria A
Perf. Criteria A
PROTECTION SPECIFICATIONS
Over Voltage Protection .............. 1.5V output.............................................2.0V
(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
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
WALL [ WALL INDUSTRIES,INC. ]
