DC DC Converters Terminology Download

This application note defines some of the common terminology used to describe the characteristics and operation of DC/DC converters.

Designing with a Distributed Power Architecture Download

Distributed power architectures (DPA) replace multiple central power sources with a single bulk supply that is converted to the end-use voltages by DC/DC converters located at the point of need. This application note discusses the use of DPA.

EMI Compliance Statement Download

When MIL-STD-461 or other EMI specification is required, an additional power line filter may be needed for the DC/DC converter as well as output and/or protection filters for the other terminals.

EMI Conducted Interference Download

DC/DC converters are natural generators of input narrowband spectral noise currents having components at the fundamental switching frequency and higher order harmonics. The low noise of Interpoint converters can be lowered even further.

FM-461 – 1.75 Amps Data Sheet Download

• The FM-461™ EMI filter modules have been specifically designed to reduce the input line reflected ripple current of Interpoint’s DC/DC converters. They are intended for use in applications which… learn more

FM-704A – 2.5 Amps Download

Interpoint’s FM-704A™ EMI Filter and Transient Suppression Module combines EMI filtering and transient protection to handle the demanding requirements of military, aerospace and industrial applications. One filter can be used with multiple converters up to the rated output current of the filter. The filters are available with standard screening, “ES” screening, or fully compliant to “883” MIL-PRF-38534 Class H screening. DSCC drawings are available.

FMA-461 – 3.8 Amps Data Sheet Download

• The FMA-461™ EMI filter module has been specifically designed to reduce the input line reflected ripple current of Interpoint’s DC/DC converters. It is intended for use in applications… learn more

FMB-461 – 5 Amps Data Sheet Download

• The FMB-461™ EMI filter module has been specifically designed to reduce the input line reflected ripple current of Interpoint’s DC/DC converters. It is intended for use in applications… learn more

FMC-461 – 2.7 Amps Download

The FMC-461™ EMI filter has been specifically designed to reduce the input line reflected ripple current of Interpoint’s high frequency DC/DC converters. One filter can be used with multiple converters up to the rated output current of the filter.

Available with standard screening, “ES” screening, or fully compliant to “883” (MIL-PRF-38534) Class H screening. DSCC drawings are available.

FMD28-461 – 7.0 Amps Download

The FMD Series™ EMI filters are specifically designed to reduce the reflected input ripple current of Interpoint’s high frequency DC/DC converters. One filter can be used with multiple converters up to the rated output current of the filter. The filters are available with standard screening or “ES” screening.

FME270-461 – 1.5 Amps Download

The FME Series™ EMI filters reduce the reflected input ripple current of Interpoint’s high frequency DC/DC converters. One filter can be used with multiple converters up to the rated output current of the filter. The filters are available with standard screening, “ES” screening, or fully compliant to “883” MIL-PRF-38534 Class H screening. DSCC drawings are available.

FME28-461 – 15 Amps Download

FME28-461 EMI filters–four week lead time now available on select models. Contact your Sales Representative for details.

FMGA-461 – 0.8 Amps Download

The FMGA-461™ EMI filters reduce the reflected input ripple current of Interpoint’s high frequency surface mount DC/DC converters. One filter can be used with multiple converters up to the rated output current of the filter.

The filters are available with standard screening, “ES” screening, or fully compliant to “883” MIL-PRF-38534 Class H screening. DSCC drawings are available.

FMH-461 – 1.5 Amps Download

Interpoint specifically designed the FMH28-461™ EMI filter to reduce the input line reflected ripple current of the our high frequency DC/DC converters. One filter can be used with multiple converters up to the rated output current of the filter. The filters are available with standard screening, “ES” screening, or fully compliant to “883” MIL-PRF-38534 Class H screening. DSCC drawings are available.

FMSA-461 – 0.8 Amps Download

The FMSA-461™ EMI filters reduce the reflected input ripple current of Interpoint’s high frequency DC/DC converters. One filter can be used with multiple converters up to the rated output current of the filter.

The filters are available with standard screening, “ES” screening, or fully compliant to “883” MIL-PRF-38534 Class H screening. DSCC drawings are available.

FMTR – 30 Watts Download

The FMTR Series™ of DC/DC converters offers up to 30 watts of output power from single or dual output configurations with up to 83% efficiency. The converters are offered with standard screening or “ES” screening.

HR120 - 12 Watts Data Sheet Download

• The HR120 Series™ of DC/DC converters offers up to 12 watts of power from single or dual outputs in a single package over a –40°C to +85°C temperature range. Each… learn more

HR150 – 20 Watts Data Sheet Download

• The HR150 Series™ DC/DC converters provide 20 watts of output power. They have been designed to give industrial applications the same high reliability, small size, and high performance that Interpoint… learn more

HR300 – 30 Watts Data Sheet Download

• The HR300 Series™ DC/DC converters provide 30 watts of output power. They combine the small size and high reliability of hybrid-based components, the high ­efficiency of switching regulators, and the… learn more

HR700 – 70 Watts Data Sheet Download

• HR700 Series DC/DC converters offer up to 70 watts of power from dual or triple outputs. The converters combine the small size and high reliability of hybrid-based components, the high… learn more

HUM40 – 40 Watts Download

Interpoint’s HUMMER™ Hold-Up Module Series provides a single product solution to the problem of maintaining electronic system operation during input power drop-out, typically reducing bulk capacitance requirements by more than 80%. During power dropout the HUMMER module powers Interpoint DC/DC converters that have a 28 VDC nominal input and a high input line of 40 VDC.

HUM70 – 70 Watts Download

Interpoint’s HUMMER™ Hold-Up Module Series provides a single product solution to the problem of maintaining electronic system operation during input power drop-out, typically reducing bulk capacitance requirements by more than 80%. During power dropout the HUMMER module powers Interpoint DC/DC converters that have a 28 VDC nominal input and a high input line of 40 VDC.

Inhibit and Synchronization Download

The inhibit function allows shutdown of the DC/DC converter without interrupting the connection to the input powerbus. The synchronization function allows the converter to be synchronized to an external clock or other devices.

Inrush Current Download

The inrush current for a pulse width modulated (PWM) DC/DC converter is the result of the charging of the input capacitors and/or filter elements and the power converter input current time profile.

LCM120 – 120 Watts Download

The LCM-120™ Line Conditioning Module is a non-isolated DC/DC converter used to extend the input voltage range of Interpoint’s DC/DC converters. The LCM-120 delivers up to 120 watts of throughput power from a 12 to 50 volt DC source.

Lead and Other RoHS Materials in Interpoint Brand Products Download

This paper clarifies our position on Interpoint brand products with respect to the use of lead, pure tin, mercury, cadmium, hexavalent chromium, PBBs and PBDEs in relation to EU directives RoHS and WEEE.

MCH – 1.5 Watts Download

With a miniature footprint of just 0.79 square inches, the MCH Series™ of DC/DC converters delivers 1.5 watts of output power while saving significant board real estate. The converters are offered with standard screening, “ES” screening, or fully compliant to “883” MIL-PRF-38534 Class H screening. Standard microcircuit drawings (SMD) are available.

Measurement and Filtering of Output Noise Download

In order to determine if an external output filter is needed for a DC/DC converter, an understanding of the nature of output noise and its proper measurement will be helpful. Differential mode (DM) and common mode (CM) noise are discussed.

Mechanical: Mounting, Vibration and Shock Download

This application note addresses how to prevent damage to the DC/DC converter or EMI filter when mounting the product or when the product is subject to vibration and shock.

MFL – 65 Watts Download

The MFL Series™ 28-volt DC/DC converters are rated up to 65 watts of output power. Current sharing allows the units to be paralleled for total power of up to 148 watts. The converters are offered with standard screening, “ES” screening, or fully compliant to “883” MIL-PRF-38534 Class H screening. Standard microcircuit drawings (SMD) are available.

MFW – 70 Watts Data Sheet Download

• The MFW Series™ of DC/DC converters offers up to 70 watts of power from dual or triple outputs. Unscreened models are guaranteed to pass a gross leak test (maximum… learn more

MGA – 5 Watts Download

A surface mountable package with outputs of 5, 12, 15, ±5, ±12 and ±15 VDC meet a variety of system needs. The converters are offered with standard screening, “ES” screening, or fully compliant to “883” MIL-PRF-38534 Class H screening. Standard microcircuit drawings (SMD) are available.

MGH – 1.5 Watts Download

The MGH Series™ of DC/DC converters delivers 1.5 watts of output power in a labor saving surface mount package. The converters are offered with standard screening, “ES” screening, or fully compliant to “883” MIL-PRF-38534 Class H screening. Standard microcircuit drawings (SMD) are available.

MHE – 20 Watts Data Sheet Download

• The MHE Series™ DC/DC converters provide 20 watts of output power. They offer the high efficiencies associated with switching regulators, yet have full isolation and the excellent regulation typical… learn more

MHF – 12 Watts Download

The MHF Series™ of DC/DC converters offer up to 12 watts of power from single or dual outputs in a single package over the full military temperature range. The converters are offered with standard screening or “ES” screening.

MHF+ – 15 Watts Download

The MHF+ DC/DC converters, four week lead time now available on select models. Contact your Sales Representative for details.

MHP270 – 65 Watts Download

270 VDC input with improved performance able to parallel up to 5 units. MHP270 models operate from a MIL-STD-704 nominal 270-volt DC power bus – from 160 to 400 VDC continuous ­operation with surges to 450 volts – and provide isolated outputs at 5, 12, 15, and 28 VDC. The converters are available with standard screening or “ES” screening.

MHV– 15 Watts Download

Interpoint’s MHV Series™ of DC/DC converters offers up to 15 watts and a choice of nine different output voltage configurations comprised of single, dual or triple outputs. The converters are offered with standard screening, “ES” screening, or fully compliant to “883” MIL-PRF-38534 Class H screening. Standard microcircuit drawings (SMD) are available.

MOR – 120 Watts Download

MOR DC/DC converters, four week lead time now available on select models. Contact your Sales Representative for details.

MSA – 5 Watts Download

Four week lead time available on select models of the MSA family of DC/DC Converters. Contact your Sales Representative for details.

MTO – 15 Watts Data Sheet Download

• Interpoint’s MTO Series™ of DC/DC converters delivers 15 watts of output power with three output voltages. The MTO Series converters are packaged in hermetically sealed metal cases and… learn more

MTR – 30 Watts Download

Four week lead time available on select models of the MTR family of DC/DC Converters. Contact your Sales Representative for details.

MTW – 30 Watts Data Sheet Download

• The MTW Series™ of DC/DC converters provides 30 watts of output power. They have the high efficiency and wide input voltage range of switching regulators with the isolation, output… learn more

PIN Download

Interpoint’s side-leaded packages can now be adapted with PIN terminal adapters to fit a variety of configurations. These versatile adapters slide over the ends of side-leaded package terminals and are intended to be soldered to the leads to provide an up-leaded or down-leaded configuration

Quality Assurance and Certification Download

An overview of Interpoint's Quality Assurance systems, certifications, qualifications, standards and screening tables for DC/DC converters and EMI Input filters.

SFMC28-461 – 2.7 Amps Download

The SFMC28-461™ EMI filters provide an off-the-shelf filtering solution for use in your space system. One filter can be used with multiple converters up to the rated output current of the filter. The SFMC28 EMI filters offer environmental screening levels to Space Prototype (O), Class H, or Class K requirements. Radiation tolerant to Radiation Hardness Assurance (RHA) levels of “-” (O) or “H”, per MIL-PRF-38534.

SFME28-461 – 10 Amps Download

The SFME28-461™ Series EMI filter modules reduce the reflected input ripple current of high frequency DC/DC converters. One filter can be used with multiple converters up to the rated output current of the filter. The SFME28 filter offers three screening options: Space Prototype (O), Class H, or Class K. Radiation tolerant to Radiation Hardness Assurance (RHA) levels of “-” (O) or “H”, per MIL-PRF-38534.

SLH – 1.5 Watts Download

With a miniature footprint of just 0.8 square inches, the SLH Series™ of 28 V DC/DC converters delivers 1.5 watts of output power. SLH converters offer the following screening options: Space Prototype (O), Class H, or Class K. Radiation tolerant to Radiation Hardness Assurance (RHA) levels of “-” (O) or “R”, per MIL-STD-38534.

SMFL – 65 Watts Download

The SMFL Series™ 28-volt DC/DC converters are rated up to 65 watts output power. The series has an overall power density of up to 43 watts per cubic inch. SMFL converters offer the following screening options: Space Prototype (O), Class H, or Class K. Radiation tolerant to Radiation Hardness Assurance (RHA) levels of “-” (O) or “R”, per MIL-PRF-38534.

SMFLHP – 100 Watts Download

The SMFLHP Series™ 28 volt DC/DC converters are rated up to 100 watts output power. The series has an overall power density of up to 67 watts per cubic inch. SMFLHP converters offer screening options to Space Prototype (O), Class H, or Class K. Radiation tolerant to Radiation Hardness Assurance (RHA) levels of “-” (O), “P” or “R”, per MIL-PRF-38534.

SMHF – 15 Watts Download

The SMHF Series™ of 28 V DC/DC converters offer up to 15 watts of output power. SMHF converters offer screening options to Space Prototype (O), Class H, or Class K. Radiation tolerant to Radiation Hardness Assurance (RHA) levels of “-” (O) or “R”, per MIL-PRF-38534.

SMRT – 35 Watts Download

SMRT DC/DC Converters provide power to Hubble Space Telescope (HST). The SMRT Space DC/DC converter’s radiation tolerant design operates up to a Radiation Hardness Assurance (RHA) level “F” (300 kRad(Si), per MIL-PRF-38534.

SMSA – 5 Watts Download

The SMSA Series™ of DC/DC converters provides up to 5 watts output power. SMSA converters offer the following screening options: Space Prototype (O), Class H, or Class K. Radiation tolerant to Radiation Hardness Assurance (RHA) levels of “-” (O) or “R”, per MIL-STD-38534.

SMTR – 30 Watts Download

The SMTR Series™ of 28 volt DC/DC converters offers up to 30 watts of output power from single, dual or triple output configurations. SMTR converters offer screening options to Space Prototype (O), Class H, or Class K. Radiation tolerant to Radiation Hardness Assurance (RHA) levels of “-” (O) or “R”, per MIL-STD-38534.

STF28-461 – 0.8 Amps Download

The STF28-461™ EMI filter module has been designed as a companion for Interpoint’s SMSA converters. Multiple converters can be operated from a single filter up to the filter’s maximum current rating. The STF28-461 filter offers three screening options: Space Prototype (O), Class H, or Class K. Radiation tolerant to Radiation Hardness Assurance (RHA) levels of “-” (O) or “H”, per MIL-PRF-38534.

Thermal Management Download

The internal power dissipation of a DC/DC converter can cause a significant rise in the device case temperature. Thermal Management discusses various options to handle case temperature rise.

TMP Download

Our accessory Thermal Mounting Pads (TMP) provide a simple and effective method of ensuring a low thermal impedance path between a DC/DC converter and its mounting plane. When placed between the converter and circuit board or heat sink, it will provide electrical isolation, fill small surface irregularities, and produce a 0.46°C in²/W (297°C mm²/W) thermal impedance path.

Transient Suppression Download

"What is the transient source impedance and what is the volt x second product of the transient?" are two important questions that need at the beginning of a project using DC/DC converters.