Crane Aerospace & Electronics Power Solutions SMHF Single and Dual DC-DC Converters 16-45 Volt Input – 15 Watt Features • Radiation tolerant space dc-dc converter Single event effects (SEE) LET performance to 86 MeV cm2/mg Total ionizing dose (TID) guaranteed per MIL-STD-883 method 1019, radiation hardness assurance (RHA) P = 30 krad(Si), L = 50 krad(Si), R = 100 krad(Si) • Operating temperature -55°C to +125°C • Qualified to MIL-PRF-38534 Class H and K Models • Input voltage range 16 to 45 V • Transient protection 50 V for 50 ms Output Voltage (V) • Fully isolated SINGLE • Fixed high frequency switching • Inhibit function • Synchronization input • Indefinite short circuit protection DUAL 3.3 ±5 5 ±12 5.2 ±15 12 • Undervoltage lockout 15 description The Interpoint® SMHF Series™ of 28 V dc-dc converters offers a wide input voltage range of 16 to 45 volts and up to 15 watts of output power. The units are capable of withstanding transients up to 50 volts for up to 50 ms. Screening SMHF converters offer screening to Class H or K and radiation hardness assurance (RHA) levels P - 30 krad(Si), L - 50 krad(Si) or R - 100 krad(Si). See Table 10 on page 15 for more information. Converter Design The SMHF 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 opto-coupler in the feedback control loop. The opto-coupler is radiation tolerant and is especially selected for space applications. Dual output models maintain cross regulation with tightly coupled output magnetics. Up to 70% of the total output power is available from either output, providing the opposite output is simultaneously carrying 30% of the total output power. Predictable current limit is accomplished by directly monitoring the output load current and providing a constant current output above the overload point. The SMHF converter’s feed-forward compensation system provides excellent dynamic response and noise rejection. Audio rejection is typically 50 dB. Typical output voltage response for a 50% to 100% step load transient is as low as 1.8% with a 150 µs recovery time, typical. See Table 5 on page 5 for more information. SMHF converters provide an inhibit terminal that can be used to disable internal switching, resulting in no output and very low quiescent input current. The converter is inhibited when the inhibit pin is pulled low. The unit is enabled when the pin, which is internally connected to a pull-up resistor, is left unconnected or is connected to an open-collector gate. See Table 5 on page 5 for more information. The SMHF Series’ synchronization feature allows the user to match the switching frequency of the converter to the frequency of the system clock. This allows the user to adjust the nominal 550 kHz operating frequency to any frequency within the range of 500 kHz to 600 kHz by applying a compatible input of the desired frequency to pin 5. SMHF Series converters provide short circuit protection by restricting the output current to approximately 140% 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 prevents the units from operating below approximately 14 volts input to keep system current levels smooth, especially during initialization or re-start operations. Crane Aerospace & Electronics Power Solutions - Interpoint Products 10301 Willows Road NE, Redmond, WA 98052 +1 425-882-3100 • [email protected] www.craneae.com/interpoint Page 1 of 15 SMHF Rev AE - 2015.08.03 Crane Aerospace & Electronics Power Solutions SMHF Single and Dual DC-DC Converters 16-45 Volt Input – 15 Watt Positive Input 5 μH Regulator Positive Output 2 μF ID PWM Controller Inhibit FET Driver Ref. Limit IC Output Common Input Common Figure 1: SMHF Single Output, Block Diagram Positive Input 5 μH Regulator L2A Positive Output 2 μF ID Inhibit PWM Controller FET Driver RS IC Ref. Limit Input Common RS Output Common L2B Negative Output Figure 2: SMHF Dual Output, Block Diagram www.craneae.com/interpoint Page 2 of 15 SMHF Rev AE - 2015.08.03 Crane Aerospace & Electronics Power Solutions SMHF Single and Dual DC-DC Converters 16-45 Volt Input – 15 Watt PIN OUT Pin Single Output Dual Output 1 Inhibit Inhibit 2 No connection Positive Output 3 Output Common Output Common 4 Positive Output Negative Output 5 Sync Sync 6 Case Ground Case Ground 7 Input Common Input Common 8 Positive Input Positive Input Table 1: Pin Out Dot on top of cover indicates pin one. 1 2 3 4 5 BOTTOM VIEW SMHF SINGLE AND DUAL NON-FLANGED OR FLANGED 8 7 6 Dotted line outlines flanged package option. See Figure 27 on page 12 and Figure 28 on page 13 for dimensions. Figure 3: Pin Out Inhibit (pin 1) Sync (pin 5) PINS NOT IN USE Leave unconnected Connect to Input Common (pin 7) Table 2: Pins Not in Use www.craneae.com/interpoint Page 3 of 15 SMHF Rev AE - 2015.08.03 Crane Aerospace & Electronics Power Solutions SMHF Single and Dual DC-DC Converters 16-45 Volt Input – 15 Watt model numbering key Base Model Input Voltage SMHF SMD Numbers 28 05 S F / K Standard Microcircuit Drawing (SMD) R Output Voltage Number of Outputs (S = single, D = dual) Case Option (Non-flanged case has no designator in this position) Environmental Screening Radiation Hardness Assurance (RHA) SMHF Similar Part 5962R0251002KXC SMHF283R3S/KR 5962R9213902KXC SMHF2805S/KR 5962R9166402KXC SMHF2812S/KR 5962R9160102KXC SMHF2815S/KR 5962R9555902KXC SMHF2805D/KR 5962R9214402KXC SMHF2812D/KR 5962R9161402KXC SMHF2815D/KR To indicate the flanged case option change the “X” to “Z” In the SMD number. The SMD number shown is for Class K screening, non-flanged, and radiation hardness assurance (RHA) level R. See the SMD for the numbers for other screening and radiation levels. For exact specifications for an SMD product, refer to the SMD drawing. SMDs can be downloaded from http://www.landandmaritime.dla.mil/programs/smcr/ Figure 4: Model Numbering Key Table 3: SMD Number Cross Reference model Number Options 1 To determine the model number enter one option from each category in the form below. Category Options Base Model and Input Voltage SMHF28 Output Voltage 2 Number of Outputs 3 Case Option 4 Screening 5 RHA 6 3R3, 05, 5R2, 12, 15 S (non-flanged, leave blank) O O 05, 12, 15 D F (flanged) H P K L R Fill in for Model # / SMHF28 __________ _______ Notes 1. See Figure 4 above for an example of a model number. 2. Output Voltage: An R indicates a decimal point. 3R3 is 3.3 volts out. The values of 3.3 and 5.2 are only available in single output models. 3. Number of Outputs: S is a single output and D is a dual output 4. Case Options: For the standard case (Figure 27 on page 12) leave the Case Option blank. For the flanged case option (Figure 28 on page 13), insert the letter F in the Case Option position. 5. Screening: A screening level of O is a space prototype and is only available with RHA O. See Table 9 on page 14 and Table 10 on page 15 for more information. 6. RHA: Interpoint model numbers use an “O” in the RHA designator position to indicate the “-” (dash) radiation hardness assurance level of MIL-PRF-38534, which is defined as “no RHA.” RHA O is only available with screening level O. See Table 10 on page 15 for more information. Table 4: Model Number Options www.craneae.com/interpoint Page 4 of 15 SMHF Rev AE - 2015.08.03 Crane Aerospace & Electronics Power Solutions SMHF Single and Dual DC-DC Converters 16-45 Volt Input – 15 Watt Table 5: Operating Conditions - All Models, 25°C case, 28 Vin, unless otherwise specified SMHF Series All Models PARAMETER CONDITIONS LEAD SOLDERING TEMPERATURE 1 10 seconds max. STORAGE TEMPERATURE 1 MIN TYP MAX UNITS — — 300 °C -65 — +150 °C CASE OPERATING FULL POWER -55 — +125 TEMPERATURE ABSOLUTE 1 -55 — +135 DERATING OUTPUT POWER/CURRENT 1 ESD RATING 1 LINEARLY From 100% at 125°C to 0% at 135°C MIL-STD-883 Method 3015 MIL-PRF-38534, 3.9.5.8.2 1000-1999 Class 1C ISOLATION: input to output or any @ 500 VDC at 25°C pin to case except case pin UNDERVOLTAGE LOCKOUT 1 INPUT TO OUTPUT CAPACITANCE 1 CURRENT LIMIT 1, 2 °C V 100 — — VIN — 14 — V — 60 — pF % OF FULL LOAD — 140 — % AUDIO REJECTION 1 Megohms — 50 — dB CONVERSION FREQUENCY FREE RUN -55°C TO +125°C 480 550 620 kHz SYNCHRONIZATION INPUT FREQUENCY 500 — 600 kHz DUTY CYCLE 1 40 — 60 % ACTIVE LOW — — 0.8 ACTIVE HIGH 1 4.5 — 5.0 REFERENCED TO V INPUT COMMON IF NOT USED CONNECT TO INPUT COMMON INHIBIT ACTIVE LOW (OUTPUT DISABLED) inhibit pin pulled low — — 0.8 V Do not apply a voltage to the inhibit pin INHIBIT PIN SOURCE CURRENT 1 — — 5 mA REFERENCED TO INHIBIT ACTIVE HIGH (OUTPUT ENABLED) Do not apply a voltage to the inhibit pin INPUT COMMON OPEN COLLECTOR OR UNCONNECTED INHIBIT PIN CONDITION OPEN INHIBIT PIN VOLTAGE 1 7.5 — 12 V For mean time between failures (MTBF) contact Applications Engineering [email protected] +1 425-882-3100 option 7 Notes 1. Guaranteed by characterization test and/or analysis. Not a production test. 2. Dual outputs: The over-current limit will trigger when the sum of the currents from both outputs reaches 140% (typical value) of the maximum rated “total” current of both outputs. www.craneae.com/interpoint Page 5 of 15 SMHF Rev AE - 2015.08.03 Crane Aerospace & Electronics Power Solutions SMHF Single and Dual DC-DC Converters 16-45 Volt Input – 15 Watt Table 6: Electrical Characteristics: -55°C to +125°C case, 28 Vin, 100% load, unless otherwise specified. single output models PARAMETER SMHF283R3S CONDITIONS OUTPUT VOLTAGE SMHF2805S SMHF285R2S MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS 3.20 3.30 3.40 4.85 5.00 5.15 5.05 5.20 5.35 V VIN = 16 to 45 V — — 2.4 — — 2.4 — — 2.4 A 0 — 8 0 — 12 0 — 12.5 W TC = 25°C — 5 30 — 5 30 — 5 30 — 5 30 — 5 30 — 5 30 VIN = 16 TO 45 V — 1 10 — 1 10 — 1 10 mV NO LOAD TO FULL — 20 50 — 20 50 — 20 50 mV INPUT VOLTAGE CONTINUOUS 16 28 45 16 28 45 16 28 45 V NO LOAD TO FULL TRANSIENT 50 ms 1 0 — 50 0 — 50 0 — 50 V INPUT CURRENT NO LOAD — 25 50 — 25 40 — 25 40 INHIBITED — 6 10 — 6 10 — 6 10 OUTPUT CURRENT OUTPUT POWER OUTPUT RIPPLE 10 kHz - 2 MHz LINE REGULATION LOAD REGULATION VIN = 16 to 45 V TC = -55°C TO +125°C INPUT RIPPLE CURRENT 10 kHz - 10 MHz — — 120 — — 120 — — 120 EFFICIENCY TC = 25°C 68 71 — 73 76 — 72 78 — TC = -55°C TO +125°C 65 — — 70 — — 70 — — RECOVERY 1 — 5 8 — 3.5 8 — 3.5 8 LOAD FAULT 2 SHORT CIRCUIT POWER DISSIPATION mV p-p mA mA p-p % W STEP LOAD RESPONSE 3, 4 — 7.5 30 — 7.5 30 — 7.5 30 ms TRANSIENT — 150 400 — 150 400 — 150 400 mV pk 50% - 100% - 50% RECOVERY — 150 300 — 150 300 — 150 300 µs TRANSIENT — 550 800 — 550 800 — — 800 mV pk RECOVERY — 200 500 — 200 500 — — 600 µs TRANSIENT — 70 — — 110 — — 110 — mV pk RECOVERY — 200 — — 180 — — 180 — µs TRANSIENT — 100 — — 160 — — 160 — mV pk RECOVERY — 250 — — 180 — — 180 — µs DELAY — 10 25 — 10 25 — 10 25 ms — 15 50 — 15 50 — 15 50 mV pk TC = 25°C — — 300 — — 300 — — 300 µF STEP LINE RESPONSE 1, 4, 5 16 - 40 - 16 V STEP LINE RESPONSE 1, 4, 5 22 - 32 - 22 V STEP LINE RESPONSE 1, 4, 5 36 - 45 - 36 V STARTUP 6 CAPACITIVE LOAD OVERSHOOT 1 Notes 1. Guaranteed by characterization test and/or analysis. Not a production test. 2.Indefinite short circuit protection not guaranteed above 125°C (case) 3.Step transition time >10 µs. 4.Recovery time is measured from application of the transient to the point at which Vout is within regulation. www.craneae.com/interpoint 5. Step transition time 100 µs ±20%. 6. Tested on release from inhibit. Page 6 of 15 SMHF Rev AE - 2015.08.03 Crane Aerospace & Electronics Power Solutions SMHF Single and Dual DC-DC Converters 16-45 Volt Input – 15 Watt Table 7: Electrical Characteristics: -55°C to +125°C case, 28 Vin, 100% load, unless otherwise specified. single output models PARAMETER SMHF2812S CONDITIONS OUTPUT VOLTAGE SMHF2815S MIN TYP MAX MIN TYP MAX UNITS 11.76 12.00 12.24 14.70 15.00 15.30 V VIN = 16 to 45 V — — 1.25 — — 1.00 A 0 — 15 0 — 15 W TC = 25°C — 15 40 — 10 40 — 15 40 — 10 40 VIN = 16 TO 45 V — 5 20 — 8 30 mV NO LOAD TO FULL — 20 50 — 20 50 mV INPUT VOLTAGE CONTINUOUS 16 28 45 16 28 45 V NO LOAD TO FULL TRANSIENT 50 ms 1 0 — 50 0 — 50 V INPUT CURRENT NO LOAD — 25 55 — 25 62 INHIBITED — 5 10 — 5 10 10 kHz - 10 MHz — — 120 — — 120 OUTPUT CURRENT OUTPUT POWER OUTPUT RIPPLE 10 kHz - 2 MHz LINE REGULATION LOAD REGULATION INPUT RIPPLE CURRENT EFFICIENCY VIN = 16 to 45 V TC = -55°C TO +125°C TC = 25°C mV p-p mA mA p-p 76 79 — 78 78 — TC = -55°C TO +125°C 72 — — 74 — — POWER DISSIPATION — 3.5 8 — 3.5 8 W STEP LOAD RESPONSE 3, 4 RECOVERY 1 — 7.5 30 — 7.5 30 ms TRANSIENT — 150 500 — 200 500 mV pk 50% - 100% - 50% RECOVERY — 50 300 — 50 300 µs TRANSIENT — 550 800 — 550 800 mV pk RECOVERY — 300 700 — 300 700 µs TRANSIENT — 250 — — 250 — mV pk RECOVERY — 210 — — 210 — µs TRANSIENT — 350 — — 350 — mV pk RECOVERY — 300 — — 300 — µs DELAY — 10 25 — 10 25 ms — 25 50 — 25 50 mV pk TC = 25°C — — 100 — — 100 µF LOAD FAULT 2 SHORT CIRCUIT STEP LINE RESPONSE 1, 4, 5 16 - 40 - 16 V STEP LINE RESPONSE 1, 4, 5 22 - 32 - 22 V STEP LINE RESPONSE 1, 4, 5 36 - 45 - 36 V STARTUP 6 CAPACITIVE LOAD OVERSHOOT 1 Notes 1. Guaranteed by characterization test and/or analysis. Not a production test. 2.Indefinite short circuit protection not guaranteed above 125°C (case) 3.Step transition time >10 µs. 4.Recovery time is measured from application of the transient to the point at which Vout is within regulation. www.craneae.com/interpoint Page 7 of 15 SMHF Rev AE - 2015.08.03 5. Step transition time 100 µs ±20%. 6. Tested on release from inhibit. % Crane Aerospace & Electronics Power Solutions SMHF Single and Dual DC-DC Converters 16-45 Volt Input – 15 Watt Table 8: Electrical Characteristics: -55°C to +125°C case, 28 Vin, 100% load, unless otherwise specified. DUAL output models SMHF2805D SMHF2812D SMHF2815D UNITS PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX OUTPUT VOLTAGE +VOUT 4.85 5.00 5.15 11.76 12.00 12.24 14.70 15.00 15.30 -VOUT 4.82 5.00 5.18 11.70 12.00 12.30 14.63 15.00 15.38 Either OUTPUT — ±1.2 1.68 — ±0.625 0.875 — ±0.5 0.7 VIN = 16 to 45 V TOTAL — — 2.4 — — 1.25 — — 1.0 OUTPUT POWER 2 Either OUTPUT — ±6 8.4 — — 10.5 — — 10.5 VIN = 16 to 45 V TOTAL — — 12 — — 15 — — 15 — 30 95 — 30 95 — 30 95 ± VOUT, 10 kHz - 2 MHz LINE REGULATION 3 TC = 25°C TC = -55°C TO +125°C — 30 95 — 30 95 — 30 95 — 2 10 — 2 18 — 2 18 VIN = 16 TO 45 V +VOUT -VOUT — 10 100 — 10 100 — 10 100 +VOUT — 5 25 — 5 25 — 5 25 NO load TO FulL -VOUT — 80 150 — 60 150 — 40 150 — 6 7.5 — 3 6 — 3 6 % CONTINUOUS 16 28 45 16 28 45 16 28 45 V V OUTPUT CURRENT 2 OUTPUT RIPPLE LOAD REGULATION 3 CROSS REGULATION 4 INPUT VOLTAGE EFFECT ON -VOUT NO LOAD TO FULL TRANSIENT 50 ms 1 — — 50 — — 50 — — 50 INPUT CURRENT NO LOAD — 25 50 — 30 50 — 30 50 INHIBITED — 6 10 — 6 10 — 6 10 10 kHz - 10 MHz — 60 120 — 55 120 — 55 120 TC = 25°C INPUT RIPPLE CURRENT EFFICIENCY V A W mV p-p mV mV mA mA p-p 75 77 — 76 80 — 76 82 — TC = -55°C TO +125°C 72 — — 74 — — 74 — — POWER DISSIPATION — 3 6 — 3 6 — 3 6 W SHORT CIRCUIT RECOVERY 1 — 6 30 — 6 50 — 6 50 ms STEP LOAD RESPONSE 6, 7, 8 TRANSIENT — ±200 ±500 — ±300 ±600 — ±300 ±600 mV pk LOAD FAULT 5 % 50% - 100% - 50% Bal Loads RECOVERY — 90 400 — 90 400 — 90 400 µs STEP LINE RESPONSE 1, 6, 9 TRANSIENT — ±500 ±800 — ±500 ±750 — ±550 ±750 mV pk ± VOUT, 16 - 40 - 16 V STEP LINE RESPONSE 1, 6, 9 RECOVERY — 200 700 — 300 900 — 300 900 µs TRANSIENT — ±125 — — ±160 — — ±160 — mV pk ± VOUT, 22 - 32 - 22 V RECOVERY — 200 — — 160 — — 160 — µs STEP LINE RESPONSE 1, 6, 9 TRANSIENT — ±200 — — ±250 — — ±250 — mV pk ± VOUT, 36 - 45 - 36 V RECOVERY — 160 — — 200 — — 200 — µs DELAY — 12 25 — 10 20 — 10 20 ms OVERSHOOT 1 0 100 500 0 100 500 0 100 500 mV pk TC = 25°C — — 47 — — 10 — — 10 µF STARTUP 10 CAPACITIVE LOAD 11 Notes 1. Guaranteed by characterization test and/or analysis. Not a production test. 2.Up to 70% of the total output power is available from either output providing the opposite output is simultaneously carrying 30% of the total output power. Each output must carry a minimum of 30% of the total output power in order to maintain regulation on the negative output. 3. Balanced loads. 4.Effect on –Vout for the following conditions, percentages are of total power: +Po = 50%, –Po = 10%; +Po = 10%, –Po = 50% +Po = 70%, –Po = 30%; +Po = 30%, –Po = 70% All conditions are referenced to balanced loads of 50%/50%. www.craneae.com/interpoint 5.Indefinite short circuit protection not guaranteed above 125°C (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 µs. 9. Step transition time 100 µs ±20%. 10. Tested on release from inhibit. 11. Applies to each output. Page 8 of 15 SMHF Rev AE - 2015.08.03 Crane Aerospace & Electronics Power Solutions SMHF Single and Dual DC-DC Converters 16-45 Volt Input – 15 Watt Typical Performance Plots: 25°C case, 28 Vin, 100% load, free run, unless otherwise specified. These are examples for reference only and are not guaranteed specifications. Emission Level (dB µA) 90 MI L-S NARROWBAND TD 70 -46 1C CE 03 50 LIM IT 30 10 0.1 .015 1 Frequency (MHz), 28 Vin 10 50 SMHF2805S, unfiltered, Representative of the SMHF Series of DC-DC Converters Figure 5 Emission Level (dB µV) 90 MI NARROWBAND L-S 70 TD -46 50 1C CE 03 LIM IT 30 10 100 µs/div 0.1 .015 1 Frequency (MHz), 28 Vin 50 10 SMHF2805S with Interpoint SFMC28-461 EMI Filter, Representative of the SMHF Series of DC-DC Converters Figure 6 0 –10 mA/div. 22 mA/div 2 mV/div. 10 mV/div Audio Rejection (dB) +Vout 1 µs/div μs/div 11 µs/div μs/div Representative of SMHF Series Iin Ripple Representative of SMHF Series Vout Ripple www.craneae.com/interpoint –30 –40 –50 –60 –70 –80 –90 -Vout Figure 7 –20 Figure 8 Page 9 of 15 SMHF Rev AE - 2015.08.03 –100 0.1 1 10 Frequency (kHz), 28 Vin SMHF Series Single Audio Rejection Figure 9 100 Crane Aerospace & Electronics Power Solutions SMHF Single and Dual DC-DC Converters 16-45 Volt Input – 15 Watt 200 mV/div. 100mV/div 200 mV/div. 200mV/div mV/div. 200 mV/div 200 V/div. 20V/div 20 2020V/div V/div. Typical Performance Plots: 25°C case, 28 Vin, 100% load, free run, unless otherwise specified. These are examples for reference only and are not guaranteed specifications. 100 100 µs/div μs/div V, fullVin resistive load VIN 16 to 4516-45 100 μs/div µs/div 100 Vin 45 to 1645-16 V, fullVin resistive load SMHF2805S Representative of Single Output Line Transient 100 100 µs/div μs/div 50 -50 100 - 50% Load - 100 -50% SMHF2805S Representative of Single Output Line Transient Figure 10 SMHF2805S Representative of Single Output Load Transient Figure 11 Figure 12 16 V/div 22V/div. 20 V/div 20 V/div. INPUT VOLTAGE (Volts) Input Voltage (Volts) SMHF2805S&D 15 14 12 10 44 ms/div ms/div Full resistive Full Loadload SMHF2812S&D SMHF2815S&D 13 11 75 75 75 35 Efficiency Effiiciency (%) (%) 85 Efficiency(%) (%) Efficiency 85 65 55 45 45 1.2 3 6 9 OutputPower Power(Watts) (Watts) Output 16 V16V in 28 Vin28V 45 Vin 45V SMHF2805S SMHF2805S Efficiency Figure 15 www.craneae.com/interpoint 12 15 Figure 14 85 55 14 SMHF2805S Representative of Single Output Low Line Dropout vs. Load Figure 13 65 13 50 mV DropVS. LOAD LOW LINE DROPOUT SMHF2805S Turn-On of SMHF2805S Representative Single Output Turn-On Delay Efficiency(%) (%) Efficiency 12 OUTPUT POWER (Watts) Output Power (Watts) 50 mV DROP 35 1.5 3.75 7.5 11.25 Output Output Power Power (Watts) (Watts) 16 16V Vin 28 V28V in 45 Vin45V SMHF2812S SMHF2812S Efficiency Figure 16 Page 10 of 15 15 SMHF Rev AE - 2015.08.03 65 55 45 35 1.5 3.75 7.5 11.25 15 OutputPower Power(Watts) (Watts) Output 28V 16 V16V 28 V 45 Vin45V in in SMHF2815S SMHF2815S Efficiency Figure 17 Crane Aerospace & Electronics Power Solutions SMHF Single and Dual DC-DC Converters 16-45 Volt Input – 15 Watt -Vout 20 V/div. 20V/div +Vout 200 mV/div. 200mV/div 500 mV/div. 200 mV/div +Vout +Vout 200 mV/div. 500 mV/div 20 V/div 20 V/div. Typical Performance Plots: 25°C case, 28 Vin, 100% load, free run, unless otherwise specified. These are examples for reference only and are not guaranteed specifications. -Vout -Vout 100 µs/div 100 μs/div 16-45 VIN full resistive load Vin 16 to 45 V, ms/div 1002.5 µs/div 50 -- 100 50% 50 - 100 50%- Load 100 µs/div 100 μs/div 45-16 Vin Vin 16 to 45 V, full resistive load SMHF2815D Representative of Dual Output Line Transient SMHF2815D Representative of Dual Output Line Transient SMHF2815D Representative of Dual Output Load Transient Figure 20 Figure 19 Figure 18 10 5 V/div. |2| V/div -Vout 5 2812D 2815D 0 -5 -10 2805D 0 20 40 60 80 100 SMHF Dual Cross Regulation Figure 21 85 35 Efficiency(%) (%) Efficiency 85 Efficiency(%) (%) Efficiency 85 45 75 65 55 3 6 9 12 Output OutputPower Power(Watts) (Watts) 16 V16V 28 Vin28V 45 Vin 45V in SMHF2805D Efficiency SMHF2805D Figure 24 www.craneae.com/interpoint 2815D COND B -4 2812D -6 -8 2805D 10 35 20 30 40 50 75 65 55 45 45 1.2 0 -2 Figure 23 95 55 COND A 2 Figure 22 95 65 2812D 4 SMHF Dual Cross Regulation CROSS REGULATION 95 75 6 OUTPUT LOAD Output Load (%)(%) COND. A: 50% LOAD +V; 50% to 10% -V Condition A: +V 50% Load; -V COND. B: 50% LOAD -V; 50% 50% to to 10% 10% Load +V Condition B: -V 50% Load; +V 50% to 10% Load SMHF2805D/SMHF2812D/SMHF2815D -Vout with Shift in Load Balance CROSS REGULATION SMHF2815D Representative SMHF2815D Turn-On of Dual Output Turn-On Delay 2805D 8 -10 POSITIVE OUTPUT LOAD (% OF TOTAL LOAD) Positive Output Load (% ofBALANCE Total Load) SHIFT IN LOAD -VOUT WITH 4 ms/div 25 ms/div Full resistive Full Loadload Efficiency (%) Efficiency (%) -VOUT VOLTAGE CHANGE (%) -Vout Voltage Change (%) +Vout -VoutVOLTAGE Voltage Change (%) CHANGE(%) -V OUT 20 V/div. 20 V/div 10 35 1.5 3.75 7.5 11.25 15 Output Power (Watts) Output Power (Watts) 16 Vin 28 Vin 45 Vin 16V 28V 45V SMHF2812D Efficiency SMHF2812D Figure 25 Page 11 of 15 SMHF Rev AE - 2015.08.03 1.5 3.75 7.5 11.25 15 Output Output Power Power (Watts) (Watts) 16 16V Vin 28 V28V 45 Vin45V in SMHF2815D Efficiency SMHF2815D Figure 26 Crane Aerospace & Electronics Power Solutions SMHF Single and Dual DC-DC Converters 16-45 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 8 0.160 (4.06) 3 4 5 7 6 1.460 max. (37.08) 1.105 (28.07) 0.905 (22.99) 0.705 (17.91) 0.505 (12.83) 0.205 (5.21) 0.000 0.25 (6.35) 0.000 0.330 max. (8.38) 0.000 Weight: 30 grams maximum 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 300°C for 10 seconds per pin. Materials Header Cold Rolled Steel/Nickel/Gold Cover Kovar/Nickel Pins #52 alloy/Gold compression glass seal. Gold plating of 50 - 150 microinches included in pin diameter Seal Hole: 0.080 ±0.002 (2.03 ±0.05) Please refer to the numerical dimensions for accuracy. Case E1, Rev F, 2013.11.15 Figure 27: www.craneae.com/interpoint Case E1 Page 12 of 15 SMHF Rev AE - 2015.08.03 Crane Aerospace & Electronics Power Solutions SMHF Single and Dual DC-DC Converters 16-45 Volt Input – 15 Watt BOTTOM VIEW CASE G1 Flanged cases: Designator "F" required in Case Option position of model number Projection Weld Squared corner and dot on top of case indicate pin one. 1.130 max. (28.70) 0.960 (24.38) 1 0.030 dia. (0.76) 0.560 (14.22) 2 3 4 2 x Dia 0.128 ±0.002 (3.25 ±0.05) 5 2 x R 0.130 (3.30) 8 0.160 (4.06) 7 6 1.590 (40.39) (1.450 (36.83)) 1.105 (28.07) 0.905 (22.99) 0.705 (17.91) 0.505 (12.83) (0.000) 0.205 (5.21) 0.140 (3.56) 0.25 (6.35) 0.000 0.330 max. (8.38) 0.000 (2.005 max (50.93)) top of header Flange thickness: 0.047 (1.19) Base Plate Detail, Edge View Weight: 30 grams maximum 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 300°C for 10 seconds per pin. Materials Header Cold Rolled Steel/Nickel/Gold Cover Kovar/Nickel Pins #52 alloy/Gold compression glass seal Gold plating of 50 - 150 microinches included in pin diameter Seal Hole: 0.080 ±0.002 (2.03 ±0.05) Please refer to the numerical dimensions for accuracy. Case G1, Rev G, 2014.09.11 www.craneae.com/interpoint Figure 28: Case G1 Page 13 of 15 SMHF Rev AE - 2015.08.03 Crane Aerospace & Electronics Power Solutions Crane Aerospace & Electronics Power Solutions Quality assurance and certification SMHF Single and Dual DC-DC Converters application note 16-45 Volt Input – 15 Watt for specific screening. Table is for reference only. See individual Series' datasheets DC-DC CONVERTERS PROTOTYPE, CLASS H AND CLASS K, MIL-PRF-38534 ELEMENT EVALUATION NON-QML 1 PROTOTYPE /O COMPONENT-LEVEL TEST PERFORMED Element Electrical M/S 2 n QML CLASS H M/S 2 /H P3 CLASS K M/S 2 /K P3 n n n n Visual n n n n Internal Visual n n Temperature Cycling n n Constant Acceleration n n Interim Electrical n Burn-in n Post Burn-in Electrical n Steady State Life n Voltage Conditioning Aging n Visual Inspection n Final Electrical n n n n Wire Bond Evaluation n n n n SEM n Notes 1. Non-QML products may not meet all of the requirements of MIL-PRF-38534. 2. M/S = Active components (microcircuit and semiconductor die) 3. P = Passive components, Class H and K element evaluation. Not applicable to space prototype (“O”) element evaluation. Definitions: Element Evaluation: Component testing/screening per MIL-STD-883 as determined by MIL-PRF-38534 SEM: Scanning Electron Microscopy TABLE 1: ELEMENT EVALUATION SPACE DC-DC CONVERTERS PROTOTYPE, CLASS H AND CLASS K Table 9: Element Evaluation–DC-DC Converters Prototype, Class H and Class K www.craneae.com/interpoint www.craneae.com/interpoint Page 1 of 4 APP-009 Rev AD no A B - 2015.07.10 Page 14 of 15 SMHF Rev AE - 2015.08.03 Crane Aerospace & Electronics Power Solutions Crane Aerospace & Electronics Power Solutions Quality assurance certification SMHF Single and Dualand DC-DC Converters application note 16-45 Volt Input – 15 Watt Table is for reference only. See individual Series' datasheets for specific screening. ENVIRONMENTAL SCREENING SPACE DC-DC CONVERTERS PROTOTYPE, CLASS H AND CLASS K, RHA 1 P, L OR R NON-QML 2 PROTOTYPE TEST PERFORMED /OO 4 non-destruct wire bond pull, Method 2023 /HP /HL /HR 5 5 n n /KP CLASS K /KL /KR n n n n n n n n n n n n n n n n n n n n5 n n5 n n5 n n n n n n 5 5 5 n n n n n n n n n n n n n n n radiography, Method 2012 n post radiography electrical test, +25°c case n5 n n5 n n5 n n n pre-cap inspection, Method 2017, 2032 n 5 CLASS H QML 3 temperature cycle (10 times) (Qual 100 times) Method 1010, Cond. C, -65°C to +150°C, ambient constant acceleration Method 2001, 3000 g (Qual 5000 g) pind, test Method 2020, cond. a pre burn-in test, group a, subgroups 1 and 4 n n n n burn-in Method 1015, +125°c case, typical 6 96 hours n 160 hours n n n 2 x 160 hours (includes mid-BI test) Final electrical test, Mil-prF-38534, group a, Subgroups 1 and 4: +25°C case n Subgroups 1 through 6, -55°C, +25°C, +125°C case n n n Hermeticity test, Method 1014 gross Leak, Cond. B2, Kr-85 gross Leak, Cond. C1, fluorocarbon Fine Leak, Cond. B1, Kr-85 Fine Leak, Cond. A2, helium n n Final visual inspection, Method 2009 n rHa p: 30 krad(si) total dose 1 n n n n n n n n n rHa l: 50 krad(si) total dose 1 rHa r: 100 krad(si) total dose n n n 1 n n see, let 86 MeV cm2/mg 1, n n n n n n n Test methods are referenced to MIL-STD-883 as determined by MIL-PRF-38534. Notes 1. Our Redmond facility has a DLA approved RHA plan for Interpoint power 4. “O” in the RHA designator position in Interpoint model numbers indicates DLA products. Our SMD products with RHA “P”, “L” or “R” code meet DLA RHA “-” defined as no RHA. requirements. 5. Not required by DLA but performed to assure product quality. 2. Non-QML products, O, may not meet all of the requirements of 6. Burn-in temperature designed to bring the case temperature to +125°C minimum. MIL-PRF-38534. Burn-in is a powered test. 3. All processes are QML qualified and performed by certified operators. TABLE ENVIRONMENTAL SCREENINGand SPACE DC-DC CONVERTERS PROTOTYPE , CLASS H AND CLASS K, RHA P, L P, ORLRor R Table 10: E4:nvironmental Screening RHA–DC-DC Converters Prototype , Class H and Class K, RHA www.craneae.com/interpoint Page 6 of 14 SMHF Single and Dual, SMHF Rev AE - 2015.08.03. This revision supersedes all previous releases. All technical information is believed to be APP-009 Rev AE - 2015.07.21 accurate, but no responsibility is assumed for errors or omissions. Crane Electronics, Inc. reserves the right to make changes in products or specifications without notice. Interpoint is a registered trademark of Crane Co. SMHF Series is a trademark of Crane Electronics, Inc. Copyright © 1999 - 2015 Crane Electronics, Inc. All rights reserved. www.craneae.com/interpoint Page 15 of 15