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Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converters 28 VOlT inPuT - 15 WATT Features Only 0.33 inches (8.38 mm) high in a hermetically sealed case ModelS dual 5 12 15 * input voltage 16 to 40 vdC - MHF+281r9S 20 to 32 vdC - triple output models16 to 48 vdC * transient protection - Single and dual: 50 v for 50 ms - triple: 80 v for 120 ms * Fully isolated * Fixed high frequency switching * operating temperature -55 to +125C VDC Output Single 1.9 3.3 5 5.2 5.3 12 15 28 triPle +5 & 12 +5 & 15 * inhibit and synchronization functions * indefinite short circuit protection * up to 84% efficiency the MHF+ Single and dual SeriesTM of high frequency dC/ dC converters offers a wide input voltage range of 16 to 40 volts (MHF+281r9S, 20 to 32 volts) and up to 15 watts of output power. the units are capable of withstanding short term transients up to 50 volts. 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. DESCRIPTION MHF+ Single and dual dC/dC ConverterS enabled when the pin, which is internally connected to a pull-up resistor, is left unconnected or is connected to an open-collector gate. the open circuit output voltage associated with the inhibit pin is 8.5 to 12 v. in the inhibit mode, a maximum of 4 ma must be sunk from the inhibit pin. See Figure 3. synChronization Converter Design the MHF+ converters are switching regulators that use a quasi-square wave, single-ended forward converter design with a constant switching frequency of 550 kHz typical. isolation between input and output circuits is provided with a transformer in the forward path and a temperature compensated optical link in the feedback control loop. See Figure 1. For the MHF+ dual output models, good cross regulation is maintained by tightly coupled output magnetics. up to 90% of the total output power (80% on 2805d) is available from either output, providing the opposite output is simultaneously carrying 10% of the total output power (20% on 2805d models). Predictable current limit is accomplished by directly monitoring the output load current and providing a constant current output above the overload point. an external synchronization feature is included that allows the user to adjust the nominally 550 kHz operating frequency to any frequency within the range of 500 kHz to 600 kHz. this is initiated by applying a signal input of the desired frequency to pin 5. the capacitively coupled sync input will synchronize on a differential signal of as low as 4 volts to as high as 5 v. For single and dual output models, if the sync function is not used, connect the terminal to input common. short CirCuit ProteCtion MHF+ Series single and dual output converters provide short circuit protection by restricting the output current to approximately 115% of the full load output current. the output current is sensed in the secondary stage to provide highly predictable and accurate current limiting, and to eliminate foldback characteristics. unDervoltage loCkout inhibit FunCtion MHF+ converters provide an inhibit terminal that can be used to disable internal switching, resulting in no output current and very low quiescent input current. the converter is inhibited when an active low of 0.8 V is applied to the inhibit pin. The unit is Crane aerospace & electronics electronics group (interpoint Brand) PO Box 97005 * Redmond WA 98073-9705 425.882.3100 * power@crane-eg.com www.interpoint.com undervoltage lockout prevents the single and dual output converters from operating below approximately 14 vdC input voltage to keep system current levels smooth, especially during initialization or re-start operations. Page 1 of 23 MHF+ rev l - 20091113 Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converters 28 VOlT inPuT - 15 WATT MHF+ SerieSTM triPle dC/dC ConverterS MHF+ SeriesTM triple dC/dC converters provide a wide input voltage range of 16 to 48 vdC delivering 15 watts of total output power with output voltages of +5 and 12 or +5 and 15 vdC. the main output, +5 vdC, will supply up to 7.5 watts and the auxiliaries will supply up to 7.5 watts of combined power. Full power operation at -55 C to +125 C plus the ability to withstand transients of up to 80 v for up to 120 milliseconds make these converters an ideal choice for your high reliability systems. soFt start Feature the soft-start feature provides a controlled 25 milliseconds maximum turn-on to minimize inrush current and reduce overshoot at initial start-up or when inhibit is released. synChronization Converter Design MHF+ triple Series of dC/dC converters incorporate dual-phase, phase-shifted technology with a continuous flyback topology. this design eliminates a minimum load requirement on the main output and eliminates cross regulation effects between the main output voltage and auxiliary output voltages. See Figure 2. the phase-shifted design offers reduced input and output ripple. to meet Mil-Std-461 requirements use an eMi filter, see Figure 5. FMH-461 is the recommended filter. to synchronize the converter's switching frequency to a system clock apply the clock signal to the sync terminal (pin 7). When multiple converters are powered from a single power source, asynchronous (free run) operation will result in lower peak noise for common spectral peaks, but synchronous operation will eliminate any possibility of interference frequencies in the low audio band. Source impedance of the signal should be less than 100 ohms and the transition time should be less than 100 nanoseconds. the capacitively coupled sync input will synchronize on a differential signal of as low as 4 volts to as high as 5 v. For triple output models, if the sync function is not used, the terminal should be left open. See Figure 4. inhibit FunCtion an open collector inhibit terminal (pin 1) provides shut-down and start-up control. applying an active low of <0.8 v, referenced to input common, will disable the output of the converter. When inhibited, input current is reduced to 5 ma or less and there is no generation of switching noise. the inhibit terminal typically sinks 3 ma when the converter is inhibited. leaving the terminal open or pulling it high will enable the converter. use an open collector interface for active high voltages of up to 11 volts. (refer to Figure 2 for a connection diagram.) an open collector interface is not required if the active high is in excess of the open circuit voltage of the inhibit terminal (11 volts) but less than 40 volts. See Figure 2. short CirCuit ProteCtion on the triple output models, internal current limiting circuitry protects on all three outputs against short circuits. When output power exceeds approximately 130% of maximum output power, the output currents are limited. in addition, separate current limiting circuitry protects each output individually resulting in normal operation of either the main or the auxiliaries, whichever is not in a shorted condition. unDervoltage loCkout undervoltage lockout prevents the triple output models units from operating below approximately 8.5 vdC input voltage to keep system current levels smooth, especially during initialization or re-start operations. MHF+ SerieSTM all ModelS PaCkaging MHF+ Series of converters are packaged in hermetically sealed metal cases and can be purchased in a flanged or non-flanged case. the flanged option provides increased heat dissipation and also provides greater stability when mechanically secured. outPut voltage oPtions the MHF+ Series converters are capable of providing other output voltage options in addition to those characterized on this datasheet. Contact your sales representative to discuss other output voltage options. us Patents interpoint converters may use one or more of the following uS patents 5,521,807, 5,694,303 and 5,631,822. www.interpoint.com Page 2 of 23 MHF+ rev l - 20091113 Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converters 28 VOlT inPuT - 15 WATT OPerating COnditiOns and CharaCteristiCs Input Voltage Range * Single and dual models: 16 to 40 vdC continuous MHF+281r9S 20 to 32 dC continuous 50 v for up to 50 ms transient MHF+281r9S 35 v for up to 50 ms transient * triple models: 16 to 48 vdC continuous 80 v for up to 120 ms transient synC and inhibit Sync In * input frequency Single and dual models: 500 to 600 kHz triple models: 400 to 600 kHz duty cycle 40% to 60% * active low 0.8 v max * active high 4 v min, 5 v max * triple models: source impedance should be <100 ohms and the transition time should be <100 nanoseconds * if sync is not used Single and dual models: connect to input common triple models: leave unconnected * referenced to input common Inhibit: * active low (output disabled) Active low voltage 0.8 V max - inhibit pin current * Single and dual models: 4.0 ma max, 3.0 ma typ * triple models: 5.0 ma max, 3.0 ma typ referenced to input common * active high (output enabled) Single and dual models - open collector or unconnected - open pin 8.5 to 12 v, 10 v typical triple models - open collector or unconnected - open collector interface not required if active high is greater than 11 v and less than 40v - open pin voltage, 11 v typical Output Power * 6.65 to 15 watts depending on model Power Dissipation (Pd) * Single and dual models: 6 watts * 1.9 and 3.3v single: 8 watts * triple models: 12 watts triple Storage Temperature Range (Case) * -65C to +150C Case Operating Temperature (TC) * -55C to +125C full power * -55C to +135C absolute Lead Soldering Temperature (10 sec per pin) * 300C Derating Output Power/Current * linearly from 100% at 125C to 0% at 135C Output Voltage Temperature Coefficient * 100 ppm/C typical * 150 ppm/C maximum Input to Output Capacitance * 60 pF typical Audio Rejection * 50 dB typical Isolation * 100 megohm minimum at 500 v Current Limit * Single and dual models: 115% of full load typical * triple models: 130% of full load typical triple meChaniCal and envirOnmental Size (maximum) * non flanged 1.460 x 1.130 x 0.330 (37.08 x 28.70 x 8.38 mm) * Flanged 2.005 x 1.130 x 0.330 (50.93 x 28.70 x 8.38 mm) * See cases e1, e2, g1 and g2 for dimensions. Weight, flanged or unflanged (maximum) * Single and dual models: 30 grams * triple models: 35 grams Screening: Standard, eS or 883 (Class H). See Screening tables 1 and 2 for more information. Undervoltage Lockout * Single and dual models: 14 v input typical * triple models: 8.5 v input typical Conversion Frequency (-55C to +125C TC) * Free run Single and dual models: 480 kHz min, 550 kHz typ, 620 kHz max triple models: 375 kHz min, 500 kHz max www.interpoint.com Page 3 of 23 MHF+ rev l - 20091113 Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converters 28 VOlT inPuT - 15 WATT SImPLIFIED SChEmATIC DIAgRAmS Positive Input 5 H 2 F Positive Output Inhibit PWM Controller IC FET Driver Limit ID Ref. Input Common Output Common Figure 1: MHF+ Single Output BlOCk DiagraM Positive Input 0 FEEDBACK ISOLATOR +5 Output PWM CM CONTROLLER Input Common Synv Output Common FEEDBACK ISOLATOR + Aux. Output PWM CM CONTROLLER 180 -Aux. Output Figure 2: MHF+ triple Output BlOCk DiagraM www.interpoint.com Page 4 of 23 MHF+ rev l - 20091113 Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converters 28 VOlT inPuT - 15 WATT CONNECTION DIAgRAmS MHF+ POSITIVE INPUT 9 10 k INHIBIT 200 pF 1 1N4148 2N3501 10 K 3.9 K 8 INPUT COMMON Figure 3: inHiBit interFaCe 9 0.01 28V 5.1k F 7 1 8 Positive Input Sync In Inhibit Input Common +5 Output 2 + Aux. Output 4 Output Common 3 - Aux. Output 5 - Aux. Load + Aux. Load +5 Load if the sync terminal ([pin 7) is not used, it must be left floating. the ac coupling shown will prevent sync signal failure. Figure 4: aC COupling OF SynC Signal, triple MODelS 1 Positive Input Positive Output 2 Positive Input 28V FMH-461 EMI FILTER 5 Input Common Output Common 4 Case Ground 3 Case* MHF+ Input Common Case Ground Chassis Ground *The case ground connection should be as low an impedance as possible to minimize EMI. Direct contact of baseplate to chassis ground provides the lowest impedance. Figure 5: eMi Filter COnneCtiOn www.interpoint.com Page 5 of 23 MHF+ rev l - 20091113 Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converters 28 VOlT inPuT - 15 WATT PIN OUT Pin 1 2 3 4 5 6 7 8 9 inhibit Single Output no Connection inhibit mhF+2828S Dual Output inhibit Positive output Triple Output inhibit Main (+5) output Pos. aux. output Case ground Sync output Common output Common Positive output Sync in Case ground Positive output (See note 1) Sync in output Common Case ground output Common negative output Sync in Case ground neg. aux. output input Common Positive input -- input Common Positive input -- input Common Positive input -- Positive input input Common 1. Pin 3 of MHF+2828S will provide 14 vout referenced to output common (pin 4). Inhibit: single, dual and triple, pin 1 mhF+2828S, pin 3 Sync: triple, pin 7 Sync: single and dual, pin 5 PINS NOT IN USE leave unconnected leave unconnected leave unconnected Connect to input common Dot on top of case indicates pin one. Squared corner and dot on top of case indicate pin one. 1 2 3 4 5 1 2 3 4 5 BOTTOM VIEW MHF+ SINGLE AND DUAL 8 7 6 9 BOTTOM VIEW MHF+ Triple 8 7 6 Dotted line outlines flanged package option. Dotted line outlines flanged package option. See cases e1 and g1 for dimensions. Figure 6: MHF+ Single www.interpoint.com anD See cases e2 and g2 for dimensions. Figure 7: MHF+ triple pin Out Dual pin Out Page 6 of 23 MHF+ rev l - 20091113 Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converters 28 VOlT inPuT - 15 WATT mODEL NUmbERINg kEy Base Model Input Voltage Output Voltage (R = decimal point, 3R3 = 3.3 Vout; Main and aux. Vout for triple models) Number of Outputs (S = single, D = dual, T = Triple) Case Option (Non-flanged case has no designator in this position) Screening (Standard screening has no designator in this position.) MHF+ 28 12 D F / 883 StanDarD MiCrOCirCuit Drawing (SMD) 5962-0251001HXC 5962-9213901HXC 5962-0325301HXC 5962-9166401HXC 5962-9160101HXC 5962-9689801HXC 5962-9555901HXC 5962-9214401HXC 5962-9161401HXC 5962-9560101HXC 5962-9560201HXC SmD NUmbERS MHF+ SiMilar part MHF+283r3S/883 MHF+2805S/883 MHF+285r2S/883 MHF+2812S/883 MHF+2815S/883 MHF+2828S/883 MHF+2805d/883 MHF+2812d/883 MHF+2815d/883 MHF+28512t/883 MHF+28515t/883 Flanged SMds have the suffix HZC instead of HXC. For exact specifications for an SMd product, refer to the SMd drawing. SMds can be downloaded from http:// www.dscc.dla.mil/programs/smcr On tHe lineS BelOw, enter One SeleCtiOn FrOM eaCH CategOry tO DeterMine tHe MODel nuMBer. mODEL SELECTION Category MHF+28 Base Model and input voltage output voltage 1 ___________ number of outputs S D T 2 / 3 Case/lead options Screening 4 (Standard leave blank) ES 883 1R9, 3R3, 05, 5R2, 5R3, 12, 15, 28 (non-Flanged leave blank) F (Flanged) SeleCtion MHF+28 is the only available option 05, 12, 15 512, 515 notes: 1. output voltage: an r indicates a decimal point. 1r9 is 1.9 volts out. the values of 1r9, 3r3, 5r2 and 5r3 are only available in single output models. the 512 and 515 triple output converters are +5 volt main and 12 or 15 volt auxiliaries. 2. number of outputs: S is a single output, d is a dual output, and t is a triple output 3. Case options: For the standard case (non-flanged) leave the case option blank. For the flanged case, use an F in the case option. 4. Screening: For standard screening leave the screening option blank. For other screening options, insert the desired screening level. For more information see Screening tables 1 and 2. www.interpoint.com Page 7 of 23 MHF+ rev l - 20091113 Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converters 28 VOlT inPuT - 15 WATT electrical Characteristics: -55 to +125C tC , 28 vdC vin, 100% load, free run, unless otherwise specified. Single outPut ModelS paraMeter Output VOltage Output Current Output pOwer Output ripple 10 kHz MHF+281r9S Min 1.84 0 0 -- -- -- -- 20 -- -- -- -- -- 56 -- -- -- -- 6 2 MHF+283r3S Min 3.20 0 0 -- -- - - 16 -- -- -- - -- 67 -- -- -- -- -- -- - -- - tyP 3.30 -- -- 30 50 5 20 28 -- 25 5 45 -- 75 5 7.5 150 150 550 0.8 10 200 - MaX 3.40 2.4 8 80 240 100 50 40 50 40 12 80 120 - 8 30 400 300 800 1.2 25 300 300 MHF+2805S Min 4.85 0 0 -- -- -- -- 16 -- -- -- -- -- 72 -- -- -- -- -- -- -- -- - tyP 5.00 -- -- 30 60 5 20 28 -- 25 5 35 -- 77 3.5 7.5 150 150 550 0.8 10 100 - MaX 5.15 2.4 12 80 100 50 50 40 50 40 12 80 100 -- 6 30 400 300 800 1.2 25 600 300 COnDitiOnS Vin = 16 Vin = 16 tO tO tyP 1.90 - -- 7 12 1 35 28 -- 16 2 30 -- 62 4 5 75 500 300 0.5 12 500 -- MaX 1.96 3.5 6.65 30 40 40 55 32 35 35 7 60 70 -- 8 30 500 2000 600 1.2 35 850 100 unitS vdC a W mv p-p mv mv vdC v ma ma p-p % W ms mv pk s mv pk ms ms mv pk F 40 VDC 40 VDC - 2 MHz tC = 25C line regulatiOn lOaD regulatiOn input VOltage nO lOaD tO Full input Current input ripple Current 10 kHz nO lOaD tO Full Vin = 16 tO 40 VDC COntinuOuS tranSient 50 ms 1 nO lOaD inHiBiteD tC = 25C - 10 MHz 3, 4 eFFiCienCy lOaD Fault pOwer DiSSipatiOn SHOrt CirCuit reCOVery 1 Step lOaD reSpOnSe 4, 5 Step line reSpOnSe 1, 4, 5 Start-up 5 50% - 100% - 50% tranSient reCOVery 16 - 40 - 16 VDC tranSient reCOVery Delay OVerSHOOt 1 -- -- -- -- -- CaPaCitive load 1 notes 1. guaranteed by design, not tested. 2. For MHF+281r9, load regulation is tested from a 10 ma load to full load. 3. indefinite short circuit protection not guaranteed above 125C (case). 4. recovery time is measured from application of the transient. to the point at which vout is within regulation. 5. Step transition time >10 s. 6. Step line is 20 - 32 - 20 vdC for MHF+281r39S. www.interpoint.com Page 8 of 23 MHF+ rev l - 20091113 Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converters 28 VOlT inPuT - 15 WATT electrical Characteristics: -55 to +125C tC , 28 vdC vin, 100% load, free run, unless otherwise specified. Single outPut ModelS paraMeter Output VOltage Output Current Output pOwer Output ripple 10 kHz MHF+285r2S Min 5.04 0 0 -- -- -- -- 16 -- -- -- -- -- 72 tyP 5.20 -- -- 30 60 5 20 28 -- 25 5 35 -- 77 3.5 7.5 150 150 550 0.8 10 100 -- MaX 5.36 2.4 12.48 50 100 50 50 40 50 43 12 80 120 -- 6 30 400 300 800 1.2 25 600 300 MHF+285r3S Min 5.19 0 0 -- -- -- -- 16 -- -- -- -- -- 72 -- -- -- -- -- -- -- -- -- tyP 5.35 -- -- 30 60 5 20 28 -- 24 5 35 -- 77 3.5 7.5 150 150 550 0.8 10 100 -- MaX 5.51 2.83 15 50 100 50 50 40 50 43 12 80 120 -- 6 30 400 300 800 1.2 25 600 300 MHF+2812S Min 11.76 0 0 -- -- -- -- 16 -- -- -- -- -- 74 -- -- -- -- -- -- -- -- -- tyP 12.00 -- -- 30 50 5 20 28 -- 25 5 35 -- 79 3.5 7.5 150 150 550 0.8 10 200 -- MaX 12.24 1.25 15 80 120 50 50 40 50 50 12 80 120 -- 6 30 500 300 800 1.2 25 1200 100 COnDitiOnS Vin = 16 tO tO unitS vdC a W mv p-p mv mv vdC v ma ma p-p % W ms mv pk s mv pk ms ms mv pk F 40 VDC 40 VDC Vin = 16 - 2 MHz tC = 25C line regulatiOn lOaD regulatiOn input VOltage nO lOaD tO Full input Current input ripple Current 10 kHz Vin = 16 tO 40 VDC nO lOaD tO Full COntinuOuS tranSient 50 ms 1 nO lOaD inHiBiteD tC = 25C - 10 MHz 2, 3 eFFiCienCy lOaD Fault pOwer DiSSipatiOn SHOrt CirCuit reCOVery 1 Step lOaD reSpOnSe 4, 3 Step line reSpOnSe 1, 3, 4 Start-up 4 CaPaCitive load 1 -- -- -- -- -- -- -- -- -- 50% - 100% - 50% tranSient reCOVery 16 - 40 - 16 VDC tranSient reCOVery Delay OVerSHOOt 1 notes 1. guaranteed by design, not tested. 2. indefinite short circuit protection not guaranteed above 125C (case). 3. recovery time is measured from application of the transient. to the point at which vout is within regulation. 4. Step transition time >10 s. www.interpoint.com Page 9 of 23 MHF+ rev l - 20091113 Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converters 28 VOlT inPuT - 15 WATT electrical Characteristics: -55 to +125C tC, 28 vdC vin, 100% load, free run, unless otherwise specified. Single outPut ModelS paraMeter Output VOltage Output Current Output pOwer Output ripple 10 kHz MHF+2815S Min 14.70 0 0 -- -- -- -- 16 -- -- -- -- -- 74 tyP 15.00 -- -- 30 50 5 20 28 -- 25 5 35 -- 80 3.5 7.5 200 150 550 0.8 10 200 -- MaX 15.30 1.00 15 80 120 50 50 40 50 62 12 80 120 -- 6 30 600 300 800 1.2 25 1500 100 MHF+2828S Min 27.44 0 0 -- -- -- -- 16 -- -- -- -- -- 78 -- -- -- -- -- -- -- -- -- tyP 28.00 -- -- 60 100 50 50 28 -- 25 5 35 -- 84 3.5 7.5 600 200 1100 0.8 10 200 -- MaX 28.56 0.536 15 120 180 150 150 40 50 60 12 80 120 -- 6 30 800 400 1200 1.2 25 280 100 COnDitiOnS Vin = 16 Vin = 16 tO tO unitS vdC a W mv p-p mv mv vdC v ma ma p-p % W ms mv pk s mv pk ms ms mv pk F 40 VDC 40 VDC - 2 MHz tC = 25C line regulatiOn lOaD regulatiOn input VOltage nO lOaD tO Full input Current input ripple Current 10 kHz Vin = 16 tO 40 VDC nO lOaD tO Full COntinuOuS tranSient 50 ms 1 nO lOaD inHiBiteD tC = 25C - 10 MHz 2, 3 eFFiCienCy lOaD Fault pOwer DiSSipatiOn SHOrt CirCuit reCOVery 1 Step lOaD reSpOnSe 3, 4 Step line reSpOnSe 1, 3, 4 Start-up 4 CaPaCitive load 1 -- -- -- -- -- -- -- -- -- 50% - 100% - 50% tranSient reCOVery 16 - 40 - 16 VDC tranSient reCOVery Delay OVerSHOOt 1 notes 1. guaranteed by design, not tested. 2. indefinite short circuit protection not guaranteed above 125C (case). 3. recovery time is measured from application of the transient . to the point at which vout is within regulation. 4. Step transition time >10 s. www.interpoint.com Page 10 of 23 MHF+ rev l - 20091113 Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converters 28 VOlT inPuT - 15 WATT electrical Characteristics: -55 to +125C tC, 28 vdC vin, 100% load, free run, unless otherwise specified. dual outPut ModelS paraMeter Output VOltage Output Current 2, 3 Output pOwer 2, 3 Output ripple line regulatiOn Vin = 16 tO 40 VDC VOut, 10kHz - 2 MHz Vin = 16 tO MHF+2805D Min 4.85 4.82 0 -- 0 -- -- -- -- -- -- -- -- 16 1 MHF+2812D MaX 5.15 5.18 Min 11.76 11.70 0 -- 0 -- -- -- -- -- -- -- -- 16 -- -- -- -- -- 74 -- -- -- -- -- -- -- -- -- -- typ 12.00 12.00 0.625 -- 7.5 -- 30 60 5 -- 20 -- 3 28 -- 25 5 35 50 83 3 7.5 300 100 200 550 0.8 12 200 -- MaX 12.24 12.30 1.125 1 1.25 13.5 1 15 80 120 50 100 50 100 6 40 50 50 12 60 100 -- 6 30 700 700 500 750 1.2 25 750 10 Min MHF+2815D typ 15.00 15.00 0.50 -- 7.5 -- 30 50 5 -- 20 -- 3 28 -- 25 5 35 50 84 3 7.5 300 100 200 550 0.8 12 200 -- MaX 15.30 15.38 0.90 1 1.0 13.5 1 15 60 120 50 100 50 100 5 40 50 50 12 60 100 -- 6 30 700 700 500 750 1.2 25 750 10 14.70 14.63 0 -- 0 -- -- -- -- -- -- -- -- 16 -- -- -- -- -- 75 -- -- -- -- -- -- -- -- -- -- COnDitiOnS +VOut eaCH Output tOtal eaCH Output tOtal tC = 25C +VOut +VOut -VOut 25C eFFeCt On -VOut COntinuOuS tranSient 50 ms nO lOaD inHiBiteD tC = 25C -VOut -VOut typ 5.00 5.00 1.2 -- 6 -- 30 60 5 -- 20 -- 6 28 -- 20 6 20 40 79 3 7.5 200 150 150 600 0.8 12 80 -- unitS vdC a W mv p-p mv mv % vdC v ma ma p-p % W ms mv pk s mv pk ms ms mv pk F 1.92 1 2.4 9.6 1 12 80 80 50 80 50 100 7.5 40 50 40 12 50 80 -- 6 30 600 600 500 800 1.2 20 250 47 Vin = 16 tO 40 VDC 40 VDC lOaD regulatiOn BalanCeD lOaDS nO lOaD tO Full CrOSS regulatiOn 4 input VOltage input Current input ripple Current 10 kHz -- -- -- -- -- 75 - 10 MHz eFFiCienCy lOaD Fault 5, 6 pOwer DiSSipatiOn SHOrt CirCuit reCOVery 1 Step lOaD reSpOnSe 7, 8 50% - 100% - 50% BalanCeD lOaDS Step line reSpOnSe 1, 8 VOut Start-up 8 Vin = 40 V CaPaCitive load 1 tranSient +VOut tranSient -VOut reCOVery 16 - 40 - 16 Vin tranSient reCOVery Delay OVerSHOOt 1 -- -- -- -- -- -- -- -- -- -- notes (see following page) www.interpoint.com Page 11 of 23 MHF+ rev l - 20091113 Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converters 28 VOlT inPuT - 15 WATT electrical Characteristics: -55 to +125C tC, 28 vdC vin, 100% load, free run, unless otherwise specified. notes for dual output Models 1. guaranteed by design, not tested. 2. up to 13.5 watts, 90% (9.6 watts, 80% for 2805d) of the total output power is available from either output provided that the opposite output is simultaneously carrying 10% (20% for 2805d) of the total output power. one of the outputs must always provide a minimum of 10% (20% for 2805d) of the total output power used to meet cross regulation. negative vout cross regulation is referenced to 50%/50% balanced loads (at 100% of total rated output power - full load). 3. the "total" specification is the maximum combined current/power of both outputs. 4. effect on -vout for the following conditions, a and B: Condition a: +Po = 50% to 10% and -Po = 50% +Po = 50% and -Po = 50% to 10% Condition B, outputs are switched simultaneously between the "From" and "to" conditions: From +Po = 70%, -Po = 30% to +Po = 30%, -Po = 70% Both conditions are referenced to the balanced loads condition: 50%/50% 5. indefinite short circuit protection not guaranteed above 125C (case) 6. recovery time is measured from application of the transient to point at which vout is within regulation. 7. response of either output with the opposite output held at half of the total output power. 8. Step transition time >10 s. www.interpoint.com Page 12 of 23 MHF+ rev l - 20091113 Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converters 28 VOlT inPuT - 15 WATT electrical Characteristics: -55 to +125C tC, 28 vdC vin, 100% load, free run, unless otherwise specified. triPle outPut Model - MHF+28512t paraMeter Output VOltage Output Current 3 Output pOwer 4 Vin = 16 - 48 VDC Output ripple line regulatiOn lOaD regulatiOn 6 5 2 (Main) Min 4.85 2 -- -- -- -- -- -- -- -- 16 -- -- -- -- 72 tyP 5.00 -- -- -- -- 20 25 22 -- 28 -- 30 3 20 76 -- -- -- 5 -- -- 10 -- MaX 5.15 1.5 1.5 7.5 7.5 90 75 75 -- 48 80 45 5 50 -- 12 25 850 8 800 5 25 500 12 (auXiliarieS) Min 11.52 0 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- tyP 12.00 0.313 -- 3.75 -- 30 120 120 -- -- -- -- -- -- -- -- -- -- 2 -- -- 10 -- MaX 12.48 0.416 1 0.625 51 7.5 180 240 240 6.25 -- -- -- -- -- -- 12 25 950 3 800 5 25 500 COnDitiOnS VOut tOtal tOtal 10 kHz unitS vdC a W mv p-p mv mv % vdC v ma ma p-p % W ms mv pk ms mv pk ms ms mv pk - 2 MHz 48 VDC Vin= 16 tO no load to Full eFFeCt On negatiVe auXiliary COntinuOuS tranSient 1 120 ms nO lOaD inHiBiteD 10 kHz - 20 MHz POWER DiSSiPATiOn SHort CirCuit reCOVery 1 8, 9 input VOltage CrOSS regulatiOn 6 tC = 25C input Current input ripple Current eFFiCienCy lOaD Fault 7, 9 -- -- -- -- -- -- -- -- Step lOaD reSpOnSe Step line reSpOnSe 1, 9, 10 Start-up tranSient reCOVery 16 - 48 - 16 tranSient reCOVery Delay nO lOaD anD Full OVerSHOOt 1 notes 1. guaranteed by design, not tested. 2. if running with external sync, at temperature extremes vout main may be a minimum of 4.80 vdC to a maximum of 5.20 vdC. 3. the sum of the 12 volt auxiliary output currents may not exceed 625 ma. 4. the sum of the auxiliary output power may not exceed 7.5 watts. up to 5 watts (approximately 66%) of the total auxiliary output power is available from either output providing the opposite output is simultaneously carrying 2.5 watts (approximately 33%) of the total auxiliary power. 5. load regulation for the +5 is specified at 0.0 to 1.5 a with the auxiliaries both held at 3.75 W (313 mA). load regulation for the auxiliaries is specified as both auxiliaries from 0.0 to 3.75 W (313 mA) at the same time with the +5 held at 1.5 a. 6. Cross regulation only occurs between the two auxiliaries and is measured on -aux. +5 is held constant at 1.0 a. Cross regulation is specified for two conditions: negative aux.= 3.76 W; positive aux.= 0.37 W to 3.76 W. negative aux. = 0.37 W to 3.76 W; positive aux. = 3.76 W. 7. load fault = < 0.100 . 8. Step transition time > 10 s. 9. time to settle to within 1% of vout final value. 10. Step transition time between 2 and 10 s. www.interpoint.com Page 13 of 23 MHF+ rev l - 20091113 Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converters 28 VOlT inPuT - 15 WATT electrical Characteristics: -55 to +125C tC, 28 vdC vin, 100% load, free run, unless otherwise specified. triPle outPut Model - MHF+28515t paraMeter Output VOltage Output Current 3 Output pOwer 9 Vin = 16 tO 5 2 (Main) Min 4.85 -- -- -- -- -- -- -- -- 16 -- -- -- -- 72 -- -- -- -- -- -- -- -- tyP 5.00 -- -- -- -- 20 25 25 -- 28 -- 30 3 20 76 -- -- -- 5 -- -- 10 -- MaX 5.15 1.5 1.5 7.5 -- 90 75 75 -- 48 80 45 5 50 -- 12 25 850 8 800 5 25 500 15 (auXiliarieS) Min 14.40 0 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- tyP 15.00 0.250 -- 2.5 -- 30 150 150 -- -- -- -- -- -- -- -- -- -- 2 -- -- 10 -- MaX 15.60 0.333 1 0.500 51 7.5 225 300 300 5.0 -- -- -- -- -- -- 12 25 950 3 800 5 25 500 COnDitiOnS VOut tOtal unitS vdC a W mv p-p mv mv % vdC v ma ma p-p % W ms mv pk ms mv pk ms ms mv pk 48 VDC 10 5 tOtal kHz Output ripple line regulatiOn lOaD regulatiOn nO lOaD tO Full - 2 MHz Vin= 16, 48 VDC Vin = 28 VDC eFFeCt On negatiVe auXiliary Output COntinuOuS tranSient 1 CrOSS regulatiOn 6 tC = 25C input VOltage input Current input ripple Current eFFiCienCy lOaD Fault 7, 9 120 ms nO lOaD inHiBiteD 10 kHz - 20 MHz POWER DiSSiPATiOn SHort CirCuit reCOVery 1 8, 9 Step lOaD reSpOnSe Step line reSpOnSe 1, 9, 10 Start-up tranSient reCOVery 16 - 48 - 16 Vin tranSient reCOVery Delay nO lOaD anD Full OVerSHOOt 1 notes 1. guaranteed by design, not tested. 2. if running with external sync, at temperature extremes vout main may be a minimum of 4.80 vdC to a maximum of 5.20 vdC. 3. the sum of the 15 volt auxiliary output currents may not exceed 500 ma. 4. the sum of the auxiliary output power may not exceed 7.5 watts. up to 5 watts (approximately 66%) of the total auxiliary output power is available from either output providing the opposite output is simultaneously carrying 2.5 watts (approximately 33%) of the total auxiliary power. 5. load regulation for the +5 is specified at 0.0 to 1.5 a with both auxiliaries held at 3.75 W (250 mA). load regulation for the auxiliary. is specified as both auxiliaries from 0.0 to 3.75 W (250 mA) at the same time with the +5 held at 1.5 a. 6. Cross regulation only occurs between the two auxiliaries and is measured on -aux. +5 is held constant at 1.0 a. Cross regulation is specified for two conditions: negative aux.= 3.76 W; positive aux.= 0.37 W to 3.76 W. negative aux. = 0.37 W to 3.76 W; positive aux. = 3.76 W. 7. load fault = < 0.100 . 8. Step transition time > 10 s. 9. time to settle to within 1% of vout final value. 10. Step transition time between 2 and 10 s. www.interpoint.com Page 14 of 23 MHF+ rev l - 20091113 Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converters 28 VOlT inPuT - 15 WATT typical Performance Curves: 25C tc , 28 vdC vin, 100% load, free run, unless otherwise specified. 90 90 16V 28V 90 80 16V 80 80 16V EFFICIENCY (%) EFFICIENCY (%) 70 40V 28V 70 40V EFFICIENCY (%) 70 40V 28V 60 60 60 50 50 50 40 2 4 6 8 10 12 40 2 4 6 8 10 12 14 15 40 2 4 6 8 10 12 14 15 MHF+2805S EFFICIENCY Figure 8 OUTPUT POWER (Watts) MHF+2812S EFFICIENCY Figure 9 OUTPUT POWER (Watts) MHF+2815S EFFICIENCY Figure 10 OUTPUT POWER (Watts) 90 16V 90 16V 90 16V 80 80 80 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 70 28V 40V 70 40V 70 40V 60 60 28V 60 28V 50 50 50 40 2 4 6 8 10 12 40 2 4 6 8 10 12 14 15 40 2 4 6 8 10 12 14 MHF+2805D EFFICIENCY Figure 11 0 -10 OUTPUT POWER (Watts) MHF+2812D EFFICIENCY Figure 12 OUTPUT POWER (Watts) MHF+2815D EFFICIENCY Figure 13 OUTPUT POWER (Watts) ATTENUATION (dB) -30 -40 -50 -60 -70 -80 -90 -100 0.1 1 10 100 500mV/div. -20 VOUT 100% to 50% 100mV/div. 50% to 100% 20V/div. VIN MHF+ SERIES AUDIO REJECTION Figure 14 FREQUENCY (kHz) MHF+2805S STEP LINE RESPONSE Figure 15 1ms/div 16V TO 40V MHF+2805S STEP LOAD RESPONSE Figure 16 50s/div 50% 100% www.interpoint.com Page 15 of 23 MHF+ rev l - 20091113 Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converters 28 VOlT inPuT - 15 WATT typical Performance Curves: 25C tc , 28 vdC vin, 100% load, free run, unless otherwise specified. 20V/div. VIN 100% to 10% 100mV/div. 200mV/div. 20V/div. VOUT POUT= 12W +VOUT 10% to 100% MHF+2805S STEP LOAD RESPONSE Figure 17 200s/div 10% 100% 1V/div. VIN 2 ms/div MHF+2805S TURN-ON INTO FULL LOAD Figure 18 MHF+2815D STEP LINE RESPONSE Figure 19 1 ms/div 16V TO 40V 100% to 50% PO= 7.5 W PO= 7.5 W 100% to 20% -VOUT 100mV/div. 100mV/div. 5V/div. +VOUT 20% to 100% 20V/div. 50s/div 20% 100% MHF+2815D +VOUT STEP LOAD RESPONSE 50% to 100% VIN 50s/div 50% 100% MHF+2815D +VOUT STEP LOAD RESPONSE 2 ms/div MHF+2815D TURN-ON INTO FULL LOAD Figure 22 16 Figure 20 10 10 Figure 21 -V OUT VOLTAGE CHANGE (%) -VOUT VOLTAGE CHANGE (%) 8 6 2805D MHF+2805S&D INPUT VOLTAGE (Volts) 5 2812D 2815D 4 2 0 -2 -4 -6 -8 10 20 2812D COND A 2815D COND B 2812D 2805D 15 0 14 -5 2805D 13 MHF+2812S&D MHF+2815S&D -10 30 40 50 -10 0 20 40 60 80 100 POSITIVE OUTPUT LOAD (% OF TOTAL LOAD) -VOUT WITH SHIFT IN LOAD BALANCE CROSS REGULATION Figure 23 MHF+2805D/MHF+2812D/MHF+2815D CROSS REGULATION OUTPUT LOAD (%) COND. A: 50% LOAD +V; 50% to 10% -V COND. B: 50% LOAD -V; 50% to 10% +V 12 10 LOW LINE DROPOUT VS. LOAD Figure 25 OUTPUT POWER (Watts) 50 mV DROP 11 12 13 14 15 Figure 24 www.interpoint.com Page 16 of 23 MHF+ rev l - 20091113 Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converters 28 VOlT inPuT - 15 WATT typical Performance Curves: 25C tc , 28 vdC vin, 100% load, free run, unless otherwise specified. 80 75 EFFICIENCY EFFICIENCY 28 V 70 65 60 55 48 V 16 V 80 75 70 65 60 55 28 V 48 V 16 V 200 mV / div. 5 VDC 500 mV / div. +15 VDC -15 VDC 2 4 6 8 10 12 14 16 2 4 6 8 10 12 14 16 OUTPUT POWER (W) OUTPUT POWER (W) 5 ms / div. INPUT V: 16 TO 40 VDC, 15 = 250 mA EACH, +5 = 1.5 A MHF+28512T EFFICIENCY Figure 26 MHF+28515T EFFICIENCY Figure 27 MHF+ 28515T STEP LINE RESPONSE MHF+28512T has a similar response Figure 28 10 V / div. VIN 10 V / div. VIN INPUT GND 2 V / div. +5 VDC INPUT GND 2 V / div. +5 VDC +5 GND 5 ms / div. +5 GND 5 ms / div. MHF+28512T TURN ON INTO FULL LOAD MAIN MHF+28515T has a similar response MHF+28512T TURN ON INTO FULL LOAD MAIN MHF+28515T has a similar response Figure 29 Figure 30 11.5 10 V / div. VIN INPUT VOLTAGE 11 10.5 10 MHF+28512T 9.5 9 8.5 MHF+28515T +12 VDC 5 V / div. -12 VDC 5 ms / div. MHF+28512T TURN ON INTO FULL LOAD AUXILIARIES MHF+28515T has a similar response 2 4 6 8 10 12 14 16 MAXIMUM OUTPUT POWER (W) LOW LINE DROPOUT Figure 32 Figure 31 www.interpoint.com Page 17 of 23 MHF+ rev l - 20091113 Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converter Cases 28 VOlT inPuT - 15 WATT BOTTOM VIEW CASE E1 Projection Weld 1.130 max. (28.70) 0.960 (24.38) 0.030 dia. (0.76) Squared corner and dot on top of case indicate pin one. 1 2 3 4 5 0.160 (4.06) 0.000 0.25 (6.35) 0.000 0.000 8 7 6 0.205 (5.21) 0.505 (12.83) 0.705 (17.91) 0.905 (22.99) 1.105 (28.07) 0.330 max. (8.38) Case dimensions in inches (mm) Tolerance 0.005 (0.13) for three decimal places 0.01 (0.3) 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 300C for 10 seconds per pin. Materials Header Cold Rolled Steel/Nickel/Gold Cover Kovar/Nickel Pins #52 alloy/Gold compression glass seal. Seal Hole: 0.080 0.002 (2.03 0.05) Case E1, Rev D, 20091105 Please refer to the numerical dimensions for accuracy. All 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. Copyright (c) 1999-2009 Interpoint Corp. All rights reserved. Figure 33: CaSe e1-- Single anD Dual MODelS www.interpoint.com Page 18 of 23 MHF+ rev l - 20091113 1.460 max. (37.08) Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converter Cases 28 VOlT inPuT - 15 WATT BOTTOM VIEW CASE E2 Projection Weld 1.130 max. (28.70) 0.960 (24.38) Squared corner and dot on top of case indicate pin one. 1 2 3 4 5 0.030 dia. (0.76) 9 8 7 6 0.160 (4.06) 0.000 Case dimensions in inches (mm) Tolerance 0.005 (0.13) for three decimal places 0.01 (0.3) 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 300C for 10 seconds per pin. Materials Header Cold Rolled Steel/Nickel/Gold Cover Kovar/Nickel Pins #52 alloy/Gold compression glass seal. Seal Hole: 0.080 0.002 (2.03 0.05) Case E2, Rev D, 20091105 Please refer to the numerical dimensions for accuracy. All 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. Copyright (c) 1999-2009 Interpoint Corp. All rights reserved. Figure 34: CaSe e2 -- triple MODelS www.interpoint.com Page 19 of 23 MHF+ rev l - 20091113 1.460 max. (37.08) 0.330 max (8.38) 0.000 0.25 (6.35) 0.000 0.205 (5.21) 0.505 (12.83) 0.705 (17.91) 0.905 (22.99) 1.105 (28.07) Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converter Cases 28 VOlT inPuT - 15 WATT BOTTOM VIEW CASE G1 Flanged cases: Designator "F" required in Case Option position of model number Projection Weld 1.130 max. (28.70) 0.960 (24.38) 0.030 dia. (0.76) 0.560 (14.22) 0.160 (4.06) Squared corner and dot on top of case indicate pin one. 1 2 3 4 5 2 x Dia 0.128 (3.25) 2 x R 0.130 (3.30) 8 7 6 0.000 0.000 0.205 (5.21) 0.505 (12.83) 0.705 (17.91) 0.905 (22.99) 1.105 (28.07) 0.140 (3.56) 1.590 (40.39) 0.330 max. (8.38) 0.000 0.25 (6.35) (2.005 max (50.93)) Flange thickness: 0.047 (1.19) Case dimensions in inches (mm) Tolerance 0.005 (0.13) for three decimal places 0.01 (0.3) 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 300C for 10 seconds per pin. Materials Header Cold Rolled Steel/Nickel/Gold Cover Kovar/Nickel Pins #52 alloy/Gold compression glass seal. Seal Hole: 0.080 0.002 (2.03 0.05) Case G1, Rev C, 20091105 Please refer to the numerical dimensions for accuracy. All 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. Copyright (c) 1999-2009 Interpoint Corp. All rights reserved. Figure 35: CaSe g1 -- Single anD Dual MODelS www.interpoint.com Page 20 of 23 MHF+ rev l - 20091113 Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converter Cases 28 VOlT inPuT - 15 WATT BOTTOM VIEW CASE G2 Flanged cases: Designator "F" required in Case Option position of model number Projection Weld 1.130 max. (28.70) 0.960 (24.38) 0.030 dia. (0.76) 0.560 (14.22) 0.160 (4.06) 9 8 7 6 Squared corner and dot on top of case indicate pin one. 1 2 3 4 5 2 x Dia 0.128 (3.25) 2 x R 0.130 (3.30) 0.000 0.140 (3.56) 0.205 (5.21) 0.505 (12.83) 0.705 (17.91) 0.905 (22.99) 1.105 (28.07) 1.590 (40.39) 0.000 0.330 max. (8.38) 0.25 (6.35) 0.000 (2.005 max (50.93)) Flange thickness: 0.047 (1.19) Case dimensions in inches (mm) Tolerance 0.005 (0.13) for three decimal places 0.01 (0.3) 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 300C for 10 seconds per pin. Materials Header Cold Rolled Steel/Nickel/Gold Cover Kovar/Nickel Pins #52 alloy/Gold compression glass seal. Seal Hole: 0.080 0.002 (2.03 0.05) Case G2, Rev D, 20091105 Please refer to the numerical dimensions for accuracy. All 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. Copyright (c) 1999-2009 Interpoint Corp. All rights reserved. Figure 36: CaSe g2 -- triple MODelS www.interpoint.com Page 21 of 23 MHF+ rev l - 20091113 Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converters 28 VOlT inPuT - 15 WATT STANDARD AND /ES (NON-QML) AND /883 (CLASS H, QML) PRODUCT ELEMENT EVALUATION COMPONENT-LEVEL TEST PERFORMED STANDARD AND /ES NON-QML 1 M/S 2 P3 no no n/a no no no /883 CLASS H QML M/S 2 yes yes yes yes yes no P3 yes yes n/a yes yes yes element electrical (probe) element visual internal visual Final electrical Wire bond evaluation 4 slamTM/C-sam: input capacitors only (add'l test, not req. by h) yes no no no no no notes: 1. Standard and /eS, non-QMl products, do no meet all of the requirements of Mil-PrF-38534. 2. M/S = active components (Microcircuit and Semiconductor die) 3. P = Passive components 4. not applicable to eMi filters that have no wire bonds. definitions: element evaluation: Component testing/screening per Mil-Std-883 as determined by Mil-PrF-38534 SlaMTM: Scanning laser acoustic Microscopy C-SaM: C - Mode Scanning acoustic Microscopy Screening Table 1: elemenT evaluaTion www.interpoint.com Page 22 of 23 MHF+ rev l - 20091113 Crane aerospace & electronics Power solutions MHF+ Single, dual and triple dC/dC Converters 28 VOlT inPuT - 15 WATT STANDARD AND /ES (NON-QML) AND /883 (CLASS H, QML) PRODUCT ENVIRONMENTAL SCREENING TEST PERFORMED Pre-cap inspection method 2017, 2032 temperature Cycle (10 times) method 1010, Cond. C, -65C to 150C, ambient method 1010, Cond. b, -55C to 125C, ambient Constant acceleration method 2001, 3000 g method 2001, 500 g burn-in 2 method 1015, 125C case, typical 96 hours 160 hours Final electrical test mil-PrF-38534, group a subgroups 1 through 6: -55C, +25C, +125C case subgroups 1 and 4: +25C case hermeticity test Fine leak, method 1014, Cond. a gross leak, method 1014, Cond. C gross leak, dip (1 x 10-3) Final visual inspection method 2009 test methods are referenced to Mil-Std-883 as determined by Mil-PrF-38534. notes: 1. Standard and /eS, non-QMl products, do not meet all of the requirements of Mil-PrF-38534. 2. Burn-in temperature designed to bring the case temperature to +125C 125C STANDARD NON-QML1 yes no no no no 125C /ES NON-QML1 yes no yes no yes /883 CLASS H QML yes yes no yes no no no no yes no no yes yes yes no no yes yes yes no yes no yes yes no yes yes no yes Screening Table 2: environmenTal Screening MHF+ Single, dual and triple. MHF+ rev l - 20091113 this revision supersedes all previous releases. 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. MHF+ Series is a trademark of interpoint. Copyright (c) 1999 - 2009 interpoint Corporation. all rights reserved. www.interpoint.com Page 23 of 23 |
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