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M
MINIMUM
LOAD
The minimum load
current required for a converter to operate within specification.
MTBF
Mean Time between
Failure. The failure rate of a power supply, expressed in hours,
established by the actual operation or calculation from a known
standard such as MIL-HDBK-217F.
N
NOMINAL
INPUT
The center value
for the input voltage range.
NOMINAL
VALUE
A usual, average,
normal, or expected operating condition. This stated value will
probably not be equal to the value actually measured.
O
OPERATING
TEMPERATURE
The range of ambient
or case temperatures within which a DC/DC converters can safely
operate and meet its specifications.
OUTPUT
VOLTAGE
The nominal value
of the DC voltage at the output terminals of a power supply.
OUTPUT
VOLTAGE ACCURACY
For a fixed output
supply, the tolerance in percent of the output voltage with respect
to its nominal value under all minimum or maximum conditions.
OVER
VOLTAGE PROTECTION
A power supply
protection feature which shuts down the supply, or crowbars or clamps
the output, when its output voltage exceeds a preset level.
OVER
TEMPERATURE PROTECTION
This is the case
temperature above which the converter will shut down operation.
Thermal shutdown halts the PWM operation placing the converter in
a low current drain mode until the case temperature decreases.
Output
Trim
Output voltage
trimming allows the user to change the output voltage of the module.
The output trim can be either a fixed resistor or a trimpot. Any
value from zero ohms to infinity may be used to trim the output
voltage when fixed resistors are used. A 10K, 1 or 10 Turn trimpot
is usually specified for continuous trimming. This pin may be safely
left floating if it is not used.
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