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The 11880000 sse

erriie

ess of 16W DC/DC converter modules combine innovative design techniques, conservative component selection and

stringent test standards to achieve very high levels of reliability, performance and power density. Per MIL-HDBK-217F, that MTBF

erriie

ess has been

designed specifically to meet the rigorous demands of avionics equipment. Eight models have wide 16 VDC to 36 VDC inputs,

centered on 28 VDC. Single, dual or triple output combinations of 5, 12, 15, ±5, ±12 and ±15 VDC are provided. Standard features

include 1000 VDC input/output isolation, output ripple and noise of less than 1% and continuous short circuit protection.

Efficiency is as high as 80%. A remote ON/OFF control input and internal PI filter are standard.

Long field life is insured by extensive reliability screening at Martek Power. All 11880000 sse

erriie

ess units are designed to the require-

ments of MIL-STD-202 and MIL-STD-810. As part of the normal production processing, each unit is subjected to 72 hours of

burn-in with power cycling and load switching. The 11880000 sse

erriie

ess converters have been qualifed and meet MIL-STD-704D

emergency power conditions for aircraft, and MIL-STD-461C and MIL-STD-1275A for EMI and transient protection.

Compliance to the EMI standards of MIL-STD-461C (including CE01 and RE01) is achieved without the need for external filter-

ing components.

Each 11880000 m

mo

od

de

ell is packaged in a very low profile 2.56 x 3.0 x 0.4 inch metal case. Six-sided continuous shielding insures each

converter meets the requirements of VDE 0871 Class B for radiated emissions. Full operation is specified over the wide

Martek Power’s 11880000 sse

erriie

ess has been designed to meet the military standards applicable to avionics applications. For specific

information on test methods and/or test levels or our own reliability processing, please contact the factory. Some of the

applicable military standards include:

M

MIILL--S

ST

TD

D--881100E

E

This standard establishes the methods of testing the effects of natural and induced environments on equipment

used in military applications.

M

MIILL--S

ST

TD

D--446611C

C

This stnadard sets the design and documentation requirements for controlling the electromagnetic emission

and suseptibility characteristics of electronic equipment.

M

MIILL--S

ST

TD

D--220022E

E

This standard outlines the test methods for determining a components’ resistance to the effects of natural

elements and conditions. Typically used on small components such as resistors, capacitors and transformers. Tests numbered

300 thru 399 cover electrial characteristics.

M

MIILL--S

ST

TD

D--11227755A

A

This standard describes the transient voltage characteristics and steady state limits for 28 VDC powered

circuits used in military vehicle.

M

MIILL--S

ST

TD

D--770044D

D

This standard defines the conducted electrial power characteristics for aircraft systems at the interface

between the power system and electronic equipment. It insures the compability of aircraft electric systems and ground support

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