CMZF Series
30 Watt Single Output
Rev. B
2:1 Wide Input Voltage Range
Chassis Mount DC/DC Converter
FEATURES
● Output Current up to 6A
● High Efficiency up to 90%
● Fixed Switching Frequency
● Six-Sided Continuous Shield
● 2:1 Wide Input Voltage Range
● International Safety Standard Approval
● Call Factory for More Output Power Options
● Chassis Mount Options: Open Frame, U Channel, and Enclosed Types Available
SPECIFICATIONS: CMZF Series
All specifications apply @ 25°C ambient unless otherwise noted
INPUT SPECIFICATIONS
GENERAL SPECIFICATIONS
Input Voltage Range........................ 12V nominal Input.................... 9 - 18VDC
Efficiency ...............................................................................................see table
Switching Frequency ........................................................................300KHz typ.
24V nominal input .................. 18 - 36VDC
48V nominal input .................. 36 - 75VDC
Isolation Voltage
Under Voltage Lockout
Input to Output.......................................................................... 1600VDC min.
Input to Case............................................................................ 1600VDC min.
Output to Case ......................................................................... 1600VDC min.
12VDC input.............................. DC-DC ON...................................... 9VDC
DC-DC OFF .................................... 8VDC
24VDC input.............................. DC-DC ON................................. 17.8VDC
DC-DC OFF .................................. 16VDC
Isolation Resistance ......................................................................109 ohms min.
Isolation Capacitance ......................................................................1000pF max.
ENVIRONMENTAL SPECIFICATIONS
48VDC input.............................. DC-DC ON.................................... 36VDC
DC-DC OFF .................................. 33VDC
Input Voltage Variation ................... dv/dt.......................................5V/ms max.
(Complies with ETS300 132 part 4.4)
Operating Temperature ........................................-40°C to +85°C (with derating)
Storage Temperature ................................................................. -55°C ~ +105°C
Maximum Case Temperature .................................................................. +100°C
Relative Humidity (non-condensing).............................................5% to 95% RH
Temperature Coefficient...........................................................±0.02% / °C max.
Input Surge Voltage (100ms max)................ 12V input.......................... 36VDC
24V input.......................... 50VDC
48V input........................ 100VDC
Input Reflected Ripple Current (nominal Vin and full load).................. 30mAp-p
Thermal Impedance (See Note 3)
Start Up Time (nominal Vin and constant resistive load)
Natural Convection.................................................................... 10°C / Watt
Natural Convection with Heat-Sink........................................... 8.24°C/Watt
Power Up...................................................................................... 25ms typ.
Remote ON/OFF .......................................................................... 25ms typ.
Thermal Shock ........................................................................... MIL-STD-810D
Vibration ....................................... 10~55Hz, 10G, 30 minutes along X, Y, and Z
MTBF (See Note 2) ..................................................................... 1.535 x 106 hrs
PHYSICAL SPECIFICATIONS
Remote ON/OFF (See Note 1)
(Positive Logic)..................DC-DC ON..................Open or 3.5V < Vr < 12V
DC-DC OFF..................Short or 0V < Vr < 1.2V
Remote Off Input Current (nominal Vin)...................................................2.5mA
OUTPUT SPECIFICATIONS
Potting material of the DC/DC converter...................................Epoxy (UL94-V0)
Shielding of the DC/DC converter....................................................... six – sided
Weight ....................................................................................Approximately 7oz
Dimensions....................................................4.00(L) x 2.25(W) x 0.81(H) inches
SAFETY & EMC
Approvals and Standards ..........................IEC60950-1, UL60950-1, EN60950-1
Conducted Emissions.................... EN55022.......................................... Class A
Radiated Emissions....................... EN55022.......................................... Class A
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
Output Voltage .................................................................................... see table
Voltage Accuracy (nominal Vin and full load) ..............................................±1%
Voltage Adjustability..................................................................................±10%
Output Current..................................................................................... see table
Output Power ...............................................................................30 watts max.
Line Regulation (LL to HL at FL) ............................................................. ±0.2%
Load Regulation (10% to 100% FL) ........................................................ ±0.5%
Minimum Load...............................................................................................0%
Ripple/Noise (20 MHz BW).................................................................. see table
Transient Response Recovery Time (25% load step change).................. 300us
PROTECTION SPECIFICATIONS
Over Voltage Protection ........................................1.5V Output ..................3.9V
(Zener diode clamp)
1.8V Output ..................3.9V
2.5V Output ..................3.9V
3.3V Output ..................3.9V
5V Output .....................6.2V
12V Output ....................15V
15V Output ....................18V
Over Load Protection (% of full load at nominal input) ..................... 150% max.
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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