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MFL2815D

Interpoint
Part Number MFL2815D
Manufacturer Interpoint
Description (MFL Series) DC/DC Converters
Published Jan 26, 2006
Detailed Description FEATURES • • • • • • • • • • • • • • w w at .D w –55° to +125°C operation 16 to 40 VDC input Fully Isolated Magnetic...
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MFL2815D
MFL2815D

Overview
FEATURES • • • • • • • • • • • • • • w w at .
D w –55° to +125°C operation 16 to 40 VDC input Fully Isolated Magnetic feedback Fixed frequency, 600 kHz typical Topology – Single Ended Forward 50 V for up to 50 ms transient protection Inhibit (input & output side) Sync function (in and out) Output trim on single output models Indefinite short circuit protection Remote sense on single output models Up to 87% efficiency / 43 W/in3 Parallelable up to 148 watts h S a t e e 4U DC/DC CONVERTERS m 28 VOLT INPUT o .
c MFL SERIES 65 WATT MODELS VDC OUTPUT SINGLE 5 12 15 28 DUAL ±5 ±12 ±15 Size (max): 3.
005 x 1.
505 x 0.
400 inches (76.
33 x 38.
23 x 10.
16 mm) Case U Weight: 100 grams maximum Screening: Standard, ES, or 883 (Class H).
DESCRIPTION The MFL Series™ 28-volt DC/DC converters are rated up to 65 watts of output power over a –55°C to +125°C temperature range with a 28 Vdc nominal input.
On dual output models up to 70% of the rated output power can be drawn from either the positive or negative output.
Current sharing allows the units to be paralleled for total power of up to 148watts.
The welded, hermetically sealed package is only 3.
005 x 1.
505 x 0.
400 inches, giving the series an overall power density of up to 43 watts per cubic inch.
INHIBIT DESIGN FEATURES The MFL Series converters are switching regulators that use a quasi-square wave, single ended forward converter design with a constant switching frequency of 600 kHz.
Isolation between input and output circuits is provided with a transformer in the forward path and a wide bandwidth magnetic coupling in the feedback control loop.
The MFL uses a unique dual loop feedback technique that controls output current with an inner feedback loop and an output voltage with a cascaded voltage mode feedback loop.
The additional secondary current mode feedback loop improves transient response in a manner similar to primary current mode control and allows for ease of paralleling, but without the cost and complexity.
The...


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