SMHP120 INTERPOINT | Alldatasheet

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Technical content

±12 ±15 DC/DC C ONVERTERS

120 VOLT INPUT

65 W ATT

DESCRIPTION

The SMHP120™ Series DC/DC converters provide up to 65 watts of output power over the full -55° to 125°C temperature range. SMHP120 models operate from a MIL-STD-704 nominal 120 volt DC power bus – from 80 to 175 VDC – continuous operation and provide isolated outputs at 5, 12, 15, and 28 VDC. Parallel opera- tion for all loading conditions is supported without any requirement for external components. SCREENING SMHP120 converters offer three screening options – Standard, or Class H. See Section C2, Quality Assurance, pages C2-7 through C2-9, for descriptions. C ONVERTER D ESIGN SMHP120 DC/DC converters are constant frequency, pulse width modulated switching power supplies which use a quasi-square wave, two-switch single-ended forward converter design. Tight load regulation is achieved through a wide-bandwidth magnetic feedback circuit. SMHP converters meet a wide variety of military/aerospace performance and environmental specifications. Their continuous operation input voltage (80 to 175) meets the normal operating limits of MIL-STD-704D. The units are built as fully hermetic thick film hybrids in Interpoint’s MIL-STD-1772 certified facilities. PARALLEL O PERATION Up to five single output SMHP converters may be used in parallel to power a single load by simply connecting the share pins of all units. Units in this configuration have a 90% current sharing accuracy over all loading conditions, and provide true n+1 operation.

FEATURES

Synchronization – units may be synchronized to an external clock or to one another by using sync in and sync out pins provided on each unit. The converters have a nominal switching frequency of 600 kHz, but may be synchronized at any frequency from 525 to 675 kHz. Low voltage lock-out – shuts down when the input line voltage falls below approximately 50 VDC to provide smooth initialization. Continuous short circuit protection – using foldback current limit set at approximately 125%. Soft-start – at both turn-on and recovery after load fault conditions. Remote sense – to provide automatic compensation for voltage drops on output lines on single output models. For more information, contact your Interpoint representative listed in Section A5.

  • Fully qualified to Class H
  • –55° to +125°C operation
  • 80 to 175 VDC input
  • Fully Isolated
  • Magnetic feedback
  • Fixed frequency, 600 kHz typical
  • Topology – Single Ended Forward
  • Inhibit input and output side
  • Sync in and out
  • Indefinite short circuit protection
  • Remote sense on single output models
  • Up to 85% efficiency
  • Parallelable up to 180 watts See Section B8, case U1, for dimensions. Weight: 100 grams maximum Screening: Standard or Class H (MIL-PRF-38534) See Section C2 for screening options, see Section A5 for ordering information. All technical information is believed to be accurate, but no responsibility is assumed for errors or omissions. Interpoint reserves the right to make changes in products or specifications without notice. SMHP120 is a trademark of Interpoint. Copyright © 1999 Interpoint. All rights reserved.

Header Cold Rolled Steel/Nickel/Gold Cover Kovar/Nickel Pins #52 alloy/Gold compression glass seal Case dimensions in inches (mm) Tolerance–0.005 (0.13) for three decimal places –0.01 (0.2) for two decimal places unless otherwise specified CAUTION Heat from reflow or wave soldering may damage the device. Solder pins individually with heat application not exceeding 300°C for 10 seconds per pin. CASE U TOP VIEW (PIN SIDE) See Figures 55 and 56 for dimensions 1.505 max (38.23) 3.005 (76.33) max. Note: Pins are shown for Case U1. Angled corner indicates pin one FIGURE 54: CASE U M AXIMUM D IMENSIONS

indicates pin one. 0.000 0.050 (1.27) 0.000 0.120 (3.05) 0.250 (6.35) 0.450 (11.43) 0.650 (16.51) 0.850 (21.59) 1.050 (26.67) 1.250 (31.75) 1.380 (35.05) 1.505 (38.23) max. 0.000 0.120 (3.05) 0.250 (6.35) 2.750 (69.85) 2.880 (73.15) 3.005 (76.33) max. 0.128 dia (3.25). 0.040 dia (1.02) 0.23 (5.8) Lead Length 0.400 (10.16) max. 0.220 (5.59 TOP VIEW CASE U1 MFL Series and MHP Series: Screening – Standard, ES or 883 MFLHP Series, FMD270 EMI Filter, and FMD28-461SL EMI Filters: Screening – Standard or ES SMFL, SMFLHP, SMHP, and SSP Series; SFCS, and SFME EMI Filters: Screening – Standard, Class H or K HUM70 Module and LCM Module: Screening – Standard or ES Seam Seal FIGURE 55: CASE U1

ELEMENT EVALUATION STANDARD C LASS C LASS TEST PERFORMED (O) H K (COMPONENT LEVEL ) M/S P M/S P M/S P Element Electrical yes no yes yes yes yes Element Visual no no yes yes yes yes Internal Visual no no yes no yes no Temperature Cycling no no no no yes yes Constant Acceleration no no no no yes yes Interim Electrical no no no no yes no Burn-in no no no no yes no Post Burn-in Electrical no no no no yes no Steady State Life no no no no yes no Voltage Conditioning /Aging no no no no no yes Visual Inspection no no no no no yes Final Electrical no no yes yes yes yes Wire Bond Evaluation* no no yes yes yes yes SEM no no no no yes no SLAM™/C-SAM: Input capacitors only no no no yes no yes (Add’l test, not req. by H or K) Definitions Element Evaluation: Component testing/screening per MIL-STD-883 as determined by MIL-PRF-38534 SEM: Scanning Electron Microscopy SLAM™: Scanning Laser Acoustic Microscopy C-SAM: C - Mode Scanning Acoustic Microscopy Notes M/S Active components (Microcircuit and Semiconductor Die) P Passive components * Not applicable to EMI filters that have no wirebonds SMFLHP Series SMFL Series SMHP Series (O&H only) SMTR Series SSP Series SMHF Series SMSA Series SLH Series SLIM Module SFME120 EMI Filter SFME28 EMI Filter SFCS EMI Filter SFMC EMI Filter STF EMI Filter Applies to the following products:

TEST PERFORMED STANDARD C LASS C LASS (END ITEM LEVEL ) (O) H K Non-destruct bond pull* Method 2023 no no yes Pre-cap inspection Method 2017, 2032 yes yes yes Temperature cycle Method 1010, Cond. C yes yes yes Constant acceleration Method 2001, 3000 g yes yes yes PIND Test Method 2020, Cond. B no no yes Radiography Method 2012 no no yes Pre burn-in test yes yes yes Burn-in, Method 1015, 125°C 96 hours yes no no 160 hours no yes no 2 x 160 hour (includes mid BI test) no no yes Final electrical test MIL-PRF-38534, Group A yes yes yes Hermeticity test Fine Leak, Method 1014, Cond. A yes yes yes Gross Leak, Method 1014, Cond. C yes yes yes Final visual inspection Method 2009 yes yes yes Test methods are referenced to MIL-STD-883 as determined by MIL-PRF-38534. Note * Not applicable to EMI filters that have no wirebonds. SMFLHP Series SMFL Series SMHP Series (O&H only) SMTR Series SSP Series SMHF Series SMSA Series SLH Series SLIM Module SFME120 EMI Filter SFME28 EMI Filter SFCS EMI Filter SFMC EMI Filter STF EMI Filter Applies to the following products:

ELEMENT EVALUATION STANDARD C LASS C LASS TEST PERFORMED (O) H K (COMPONENT LEVEL ) M/S P M/S P M/S P Element Electrical yes no yes yes yes yes Element Visual no no yes yes yes yes Internal Visual no no yes no yes no Temperature Cycling no no no no yes yes Constant Acceleration no no no no yes yes Interim Electrical no no no no yes no Burn-in no no no no yes no Post Burn-in Electrical no no no no yes no Steady State Life no no no no yes no Voltage Conditioning /Aging no no no no no yes Visual Inspection no no no no no yes Final Electrical no no yes yes yes yes Wire Bond Evaluation* no no yes yes yes yes SEM no no no no yes no SLAM™/C-SAM: Input capacitors only no no no yes no yes (Add’l test, not req. by H or K) Definitions Element Evaluation: Component testing/screening per MIL-STD-883 as determined by MIL-PRF-38534 SEM: Scanning Electron Microscopy SLAM™: Scanning Laser Acoustic Microscopy C-SAM: C - Mode Scanning Acoustic Microscopy Notes M/S Active components (Microcircuit and Semiconductor Die) P Passive components * Not applicable to EMI filters that have no wirebonds SMFLHP Series SMFL Series SMHP Series (O&H only) SMTR Series SSP Series SMHF Series SMSA Series SLH Series SLIM Module SFME120 EMI Filter SFME28 EMI Filter SFCS EMI Filter SFMC EMI Filter STF EMI Filter Applies to the following products:

TEST PERFORMED STANDARD C LASS C LASS (END ITEM LEVEL ) (O) H K Non-destruct bond pull* Method 2023 no no yes Pre-cap inspection Method 2017, 2032 yes yes yes Temperature cycle Method 1010, Cond. C yes yes yes Constant acceleration Method 2001, 3000 g yes yes yes PIND Test Method 2020, Cond. B no no yes Radiography Method 2012 no no yes Pre burn-in test yes yes yes Burn-in, Method 1015, 125°C 96 hours yes no no 160 hours no yes no 2 x 160 hour (includes mid BI test) no no yes Final electrical test MIL-PRF-38534, Group A yes yes yes Hermeticity test Fine Leak, Method 1014, Cond. A yes yes yes Gross Leak, Method 1014, Cond. C yes yes yes Final visual inspection Method 2009 yes yes yes Test methods are referenced to MIL-STD-883 as determined by MIL-PRF-38534. Note * Not applicable to EMI filters that have no wirebonds. SMFLHP Series SMFL Series SMHP Series (O&H only) SMTR Series SSP Series SMHF Series SMSA Series SLH Series SLIM Module SFME120 EMI Filter SFME28 EMI Filter SFCS EMI Filter SFMC EMI Filter STF EMI Filter Applies to the following products:

PRODUCT LEVEL AVAILABILITY ENVIRONMENTAL SCREENING LEVELS STANDARD CLASS CLASS RADIATION HARDNESS LEVELS (O) H K O : Standard, no radiation guarantee For system evaluation, electrically OO HO Not and mechanically comparable to available H and K level. L: Radiation hardened – Tested lots NotUp to 50 k Rads (Si) total dose available HL KL No SEU guarantee R : Radiation hardened – Tested lots NotUp to 100 k Rads (Si) total dose available HR KR SEU guarantee up to 40 MeV R EPORTS :INCLUDED WITH PURCHASE OF PRODUCT HL, KL, HR, or KR 1.Radiation Susceptibility Analysis 2.Electrical/Thermal Stress Analysis and Derating Report 3.MTBF Report 4.FMEA Report OO option: Select reports available as separate purchases. R ADIATION H ARDNESS LEVELS FOR DC/DC C ONVERTERS AND LINE INPUT M ODULES 1 Note 1. Interpoint’s EMI filtersare designed exclusively with passive components providing maximum tolerance for space environment requirements. SMFLHP Series (levels O and L only) SMFL Series (levels O and L only) SMTR Series SSP Series SMHF Series SMSA Series SLH Series SLIM Series Modules Applies to the following products: L and R are referenced to MIL-PRF-38534, appendix G, Radiation Hardness Assurance (RHA) levels.