IMX35 Series: 35W DC-DC Converters
9-36V, 18-75V, 40-121V & 60-150V Inputs
Dual/Triple/Quad Outputs 3.3V, 5V, 12V & 15V
Product Specifications
Aug 2002
Wide input voltage ranges up to 150 V DC
2...4 outputs up to 60 V DC
1500 V DC I/O electric strength test voltage
• Extremely wide input voltage ranges
• Electrical isolation I/O, also between outputs
• Emissions below EN 55022, level B
• Immunity to IEC/EN 61000-4-2,-3,-4,-5 and -6
• Programmable input undervoltage lock-out
• Shut down/inhibit input
8.9
0.35"
47.8
1.88"
72.8
2.87"
• Output voltages adjustable with flexible load
distribution
• Frequency synchronisation
• Outputs no-load, overload and short-circuit proof
• Operating ambient temperature from –40...110°C
• Thermal protection
• 3" x 2.5" case with 10.5 mm profile or 8.9 mm open
frame
• Basic insulation
• Flexible output possibilities between 3.3 V & 60 V
10.5
0.41"
63.5
2.5"
Safety according to IEC/EN 60950, UL 1950
76.2
3"
LGA
Approvals pending
Summary
The circuit comprises of two planar magnetics devices and
all components are automatically assembled and solidly
soldered onto a single PCB without any wire connection.
Magnetic feedback ensures maximum reliability and
repeatability in the control loop over all operating condi-
tions. Careful considerations of possible thermal stresses
ensure the absence of hot spots providing long life in envi-
ronments where temperature cycles are a reality. The ther-
mal design without using any potting material allows opera-
tion at full load up to an ambient temperature of 71°C in
free air, operation to 110°C with airflow. For extremely high
vibration environments the case has holes for screw
mounting. Inhibit or open frame mounting provide a high
level of application specific engineering and design-in flex-
ibility.
The IMX 35 series of board mountable 35 Watt DC-DC con-
verters has been designed according to industry require-
ments and standards. The converters are particularly suit-
able for use in mobile or stationary applications in trans-
port, railways, industry, or telecommunication where vari-
able input voltages or high transient voltages are prevalent.
Covering a total input voltage range from 9 V up to 150 V
with 4 different types. The units are available with up to
quadruple outputs (electrically isolated) from 3.3 V up to
60V externally adjustable and with flexible load distribution.
A shut down input allows remote converter on/off. Features
include consistently high efficiency over the entire input
voltage range, high reliability and excellent dynamic re-
sponse to load and line changes.
The converters are designed and built according to the in-
ternational safety standards IEC/EN 60950, UL 1950, CAN/
CSA C22.2 No.950-95. LGA, UL and cUL approvals are in
progress. The IMX 35 types provide basic insulation.
Table of Contents
Page
Page
Auxiliary Functions ........................................................... 9
Electromagnetic Compatibility (EMC) ............................ 11
Immunity to Environmental Conditions .......................... 12
Mechanical Data ............................................................ 13
Safety and Installation Instructions ................................ 14
Description of Option ..................................................... 15
Summary .......................................................................... 1
Type Survey and Key Data .............................................. 2
Type Key .......................................................................... 2
Functional Description ..................................................... 3
Electrical Input Data ......................................................... 4
Electrical Output Data ...................................................... 6
AUG 13, 2002
Rev 1.0
www.power-one.com
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