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Crane Aerospace & Electronics Power Solutions
sMFL single and dual dc/dc converters
28 VoLt input - 65 Watt
Features
* * * * * * * * * * * * * * * Fully qualified to Class H or K -55 to +125C operation 16 to 40 VDC input Fully Isolated Magnetic feedback
Fixed frequency, 600 kHz typical
Topology - Single Ended Forward Inhibit input side and output side Sync function
50 V for up to 120 ms transient protection
VDc OutPut SINgLE 3.3 5 12 15 DUAL 5 12 15
MODELS
Output trim on single output models Indefinite short circuit protection Up to 85% efficiency / 43 W/in3 Parallelable up to 148 watts Remote sense on single output models
description
The SMFL SeriesTM 28-volt DC/DC converters are rated up to 65 watts output power over a -55 to +125C temperature range with a 28 Vdc nominal input. On dual output models up to 70% of the rated output power can be drawn from either the positive or negative outputs. Current sharing allows the units to be paralleled for total power of up to 148 watts. The welded, hermetically sealed package is only 3.0 x 1.5 x 0.40 inches, giving the series an overall power density of up to 45 watts per cubic inch.
inhibit
Screening
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-STD-38534. 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". See "Class H and K, QML Screening" tables for more information.
The SMFL Series converters have two TTL compatible inhibit terminals (INH1 and INH2) that can be used to disable power conversion, resulting in a very low quiescent input current and no generation of switching noise. An open collector TTL compatible low (<0.8 volts) is required to inhibit the converter between INH1 (pin 4) and Input Common (pin 2). An open collector TTL compatible low (<0.5 volts) is required to inhibit the converter between INH2 (pin 12) and Output Common (pin 8). The application of intermediate voltages to these pins (1.5 to 10.5 volts) should be avoided.
Sync
Converters may be synced to an external clock (525 to 675 kHz) or to one another by using the sync in or out pins. The nominal free-run switching frequency is 600 kHz.
DeSign FeatureS
current anD Parallel OPeratiOn
SMFL Series converters are switching regulators that use a quasi-square wave, single ended forward converter design with a constant switching frequency of 600 kHz typical. Isolation between input and output circuits is provided with a transformer in the forward path and a wide bandwidth magnetic coupling in the feedback control loop. The SMFL uses a unique dual loop feedback technique that controls output current with an inner feedback loop and an output voltage with a cascaded voltage mode feedback loop. The additional secondary current mode feedback loop improves transient response in a manner similar to primary current mode control and allows for ease of paralleling, but without the cost and complexity. The constant frequency, pulse-width modulated converters use a quasisquare wave single-ended forward design. Tight load regulation is achieved through a wide-bandwidth magnetic feedback circuit. The output voltage on single SMFL models can be trimmed to a specific output voltage by adding an external resistor.
Multiple single output SMFL converters may be used in parallel to drive a common load. In this mode of operation the load current is shared by two or three SMFL converters. In current sharing mode, one SMFL converter is designated as a master. The SLAVE pin (pin 11) of the master is left unconnected and the MSTR/INH2 pin (pin 12) of the master is connected to the SLAVE pin (pin 11) of the slave units. The units designated as slaves have the MSTR/INH2 pin (pin 12) connected to the SNS RTN pin (pin 9). Note that synchronizing the units together is not required for current sharing operation. A second slave unit may be placed in parallel with a master and slave; this requires the TRI pin (pin 3) of the master unit to be connected to the SNS RTN pin (pin 9). See Figure 2 for a block diagram of parallel connections. When paralleled, 76% of the total combined power ratings of the SMFL converters are available at the load. Overload and short circuit performance are not adversely affected during parallel operation.
Crane Aerospace & Electronics Electronics group (Interpoint Brand) PO Box 97005 * Redmond WA 98073-9705 425.882.3100 * electronics@craneae.com www.craneae.com
Page 1 of 13 Rev H - 20061102
Crane Aerospace & Electronics Power Solutions
sMFL single and dual dc/dc converters
28 VoLt input - 65 Watt
SINGLE OUTPUT MODELS CONNECTION DIAGRAMS - SENSE AND PARALLEL
28V
+ -
1 2 3 4 5 6
Positive Input Input Common TR1 INH1 Sync Out Sync In
MSTR/INH2 12 Slave 11 Sense Return Pos. Sense 10 9 8 7 - + RL
Inhibit Sync In
Output Common Positive Output
REMOTE SENSE CONNECTION 1 2 3 4 5 6 Positive Input Input Common TR1 INH1 Sync Out Sync In MSTR/INH2 12 11 Slave 10 Pos. Sense 9 Sense Return 8 Output Common 7 Positive Output
28V
+ -
RA - + RL
Inhibit Sync In
OUTPUT VOLTAGE ADJUST CONNECTION VOUT INCREASE (VOLT) 0.1 0.2 0.3 0.4 0.5 RA (OHMS) 5-V 12-V 70 25 140 210 280 350 50 75 100 125
3.3-V 120 240 360 480 600
15-V 20 40 60 80 100
Figure 1: SenSe cOnnectiOnS anD trim table
28V
+ -
1 2 3 4 5 6
Positive Input Input Common TR1 INH1 Sync Out Sync In
MSTR/INH2 12 Slave 11 Pos. Sense Sense Return Positive Output 10 9 8 7 - + RL
Inhibit Sync In
MASTER
Output Common
CONNECT ONLY WHEN 2 SLAVES ARE USED 1 2 3 4 5 6 Positive Input Input Common TR1 INH1 Sync Out Sync In MSTR/INH2 12 Slave 11 Pos. Sense 10 Sense Return 9 Output Common 8 Positive Output 7
SLAVE 1
1 2 3 4 5 6
Positive Input Input Common TR1 INH1 Sync Out Sync In
MSTR/INH2 12 Slave 11 Pos. Sense 10 Sense Return 9 Output Common 8 Positive Output 7
SLAVE 2
Figure 2: Parallel cOnnectiOnS
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Page 2 of 13 Rev H - 20061102
Crane Aerospace & Electronics Power Solutions
sMFL single and dual dc/dc converters
28 VoLt input - 65 Watt
input Voltage range * 16 to 40 VDC continuous * 50 V for 120 ms transient output power * 40 to 65 watts depending on model Lead soldering temperature (10 sec per lead) * 300C storage temperature range (case) * -65C to +150C power dissipation (pd) * 14 watts (16 watts SMFL2805S, SMFL2805D) case operating temperature (tc) * -55C to +125C full power derate output power/current * MFL283R3S: linearly from 100% at 100 C to 80% at 125 C output Voltage temperature coefficient * 100 ppm/C typical input to output capacitance * 150 pF, typical current Limit * 125% of full load typical isolation * 100 megohm minimum at 500 V audio rejection * 50 dB typical conversion Frequency (-55c to 125c) * Free run mode 600 kHz typical 525 kHz. min, 675 kHz max inhibit pin Voltage (unit enabled) * INH1 = 9 to12 V, INH2 = 6 to 9 V
OPERATING CONDITIONS AND ChARACTERISTICS
SyNC IN AND INhIbIT (INh1, INh2)
sync in (525 to 675 kHz) * Duty cycle 40% min, 60% max * Logic low 0.8 V max * Logic high 4.5 V min, 5 V max * Referenced to input common sync out * Referenced to input common
inhibit (inH1, inH2) ttL open collector * Logic low (output disabled) INH1 referenced to input common Logic low 0.8 V max Inhibit pin current 10 mA max INH2 referenced to output common Logic low 0.5 V max Inhibit pin current 5 mA max * Logic high (output enabled) Open collector
MEChANICAL AND ENvIRONMENTAL
size (maximum) 3.005 x 1.505 x 0.400 inches (76.33 x 38.23 x 10.16 mm) See case U for dimensions. Case options V, W, Y, and Z are available by special order. Weight (maximum) 86 grams screening Space Prototype (O), Class H, or Class K Radiation tolerant to Radiation Hardness Assurance (RHA) levels of "-" (O) or "R", per MIL-STD-38534. 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". See "Class H and K, QML Screening" tables for more information. Available configurations: OO, HO, HR, KR
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Page 3 of 13 Rev H - 20061102
Crane Aerospace & Electronics Power Solutions
sMFL single and dual dc/dc converters
28 VoLt input - 65 Watt
PIN OUT
pin 1 2 3 4 5 6 7 8 9 10 11 12 single output Positive Input Input Common Triple (TRI) Inhibit 1 (INH1) Sync Out Sync In Positive Output Output Common Sense Return Positive Sense Slave Master / Inhibit 2 dual output Positive Input Input Common Triple (TRI) Inhibit 1 (INH1) Sync Out Sync In Positive Output Output Common Negative Output No connection Slave Master / Inhibit 2
PINS NOT IN USE
TR1 Master Slave Sync In Inhibit (INH1) Inhibit (INH2) Sync Out Sense Lines Leave unconnected Leave unconnected Leave unconnected Connect to Input Common Leave unconnected Leave unconnected Leave unconnected Must be connected to appropriate ouputs
Angled corner indicates pin one.
1 2 3 4 5 6
12
TOP VIEW SMFL (Pin side, marked side)
See case U for dimensions.
11 10 9 8 7
Figure 3: Pin Out
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Page 4 of 13 Rev H - 20061102
Crane Aerospace & Electronics Power Solutions
sMFL single and dual dc/dc converters
28 VoLt input - 65 Watt
MODEL NUMbERING kEy
Base Model Input Voltage SMFL 28 05 S / K R
SMD NUMbERS
StanDarD micrOcircuit Drawing (SmD) IN PROCESS 5962-9316302HxC 5962-9316202HxC 5962-9316102HxC IN PROCESS IN PROCESS 5962-9319302HxC SmFl SerieS Similar Part SMFL283R3S/HO SMFL2805S/HO SMFL2812S/HO SMFL2815S/HO SMFL2805D/HO SMFL2812D/HO SMFL2815D/HO
Number of Outputs (S = single, D = dual) Screening RHA level
Output Voltage
The SMD number shown is for Class H screening, non-flanged, and no Radiation Hardness Assurance (RHA) level. See the SMD for the numbers for other screening and RHA levels. For exact specifications for an SMD product, refer to the SMD drawing. Call your Interpoint representative for status on the SMFL SMD releases which are "in process." SMDs can be downloaded from: http://www.dscc.dla.mil/programs/smcr
ModeL seLection
SMFL28 Base model Vout value number of outputs case option / screening
Choose one from each of the following rows Vout value Number of outputs Case option Screening
which is defined as "no RHA"
singles: 3R3, 5, 12, 15 duals: 5,12,15 "R" = decimal point, 3R3 = 3.3VDC S (single) or D (dual) standard (case U, leave blank) V, W, Y and Z available by special order OO* - Space prototype, HO, HR, KR
*Interpoint model numbers use an "O" in the RHA designator position to indicate the "-" (dash) Radiation Hardness Assurance level of MIL-PRF-38534,
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Page 5 of 13 Rev H - 20061102
Crane Aerospace & Electronics Power Solutions
sMFL single and dual dc/dc converters
28 VoLt input - 65 Watt
Electrical Characteristics: -55C to +125C Tc, 28 VDC Vin, 100% load, RHA level O, unless otherwise specified.
SINgLE OUTPUT MODELS
Parameter OutPut VOltage OutPut current OutPut POwer OutPut riPPle 10 khz - 2 mhz line regulatiOn lOaD regulatiOn inPut VOltage cOnDitiOnS tc = 25c Vin = 16 tO 40 VDc Vin = 16 tO 40 VDc tc = 25c tc = -55c tO +125c Vin = 16 tO 40 VDc nO lOaD tO Full cOntinuOuS TRANSIENT1, 2 50 ms inPut current nO lOaD inhibiteD - inh1 inhibiteD - inh2 inPut riPPle eFFiciency lOaD Fault 10 khz - 10 mhz tc = 25c ShOrt circuit POwer DiSSiPatiOn tc = 25c recOVery1 50% - 100% - 50% tranSient recOVery1, 3 16 - 40 -16 VDc tranSient4 recOVery Delay
SMFL283R3S
MIN 3.26 0 0 -- -- -- -- 16 -- -- -- -- -- 70 -- -- -- -- -- -- -- TYP 3.30 -- -- 10 10 0 -- 28 -- 70 9 35 30 -- 12.5 1.5 200 1.5 250 200 3.5 MAx 3.34 40
SMFL2805S
MIN 4.95 0 TYP 5.00 -- -- 15 30 0 -- 28 -- 70 9 35 30 78 12.5 1.5 250 1.5 250 200 3.5 MAx 5.05 10 50
SMFL2812S
MIN 0 0 TYP -- -- 30 45 0 -- 28 -- 50 9 35 30 84 10 1.5 450 1.5 250 200 3.5 11.88 12.00 12.12 5 60
SMFL2815S
TYP -- -- 30 45 0 -- 28 -- 50 9 35 30 85 10 1.5 500 1.5 250 200 3.5 MAx 4.33 65 85 110 20 20 40 50 100 14 70 50 -- 16 4 600 3.0 400 300 6 14.85 15.00 15.15 0 0
MAx MIN
unitS VDc a w mV p-p mV mV VDc V mA mA p-p % w ms mV pk
mS
12.12 0 35 -- 50 -- 20 40 50 100 14 -- -- -- -- --
35 -- 50 -- 20 20 40 50 14 -- -- 16 -- --
75 -- 100 -- 20 20 40 50 14 -- -- 16 -- --
40 16
120 -- 70 -- 50 -- -- 81 16 4 350 3.0 300 300 6 -- -- -- -- -- -- --
100 -- 70 -- 50 -- -- 82 16 -- 4 600 3.0 400 300 6 -- -- -- -- -- --
70 -- 50 -- -- 75
16 -- 4 300 3.0 300 600 6 -- -- -- -- -- --
SteP lOaD reSPOnSe SteP line reSPOnSe1, 3 Start-uP5
mV pk
s
ms
Notes 1. Guaranteed by design, not tested. 2. Unit will shut down above approximately 45 V but will be undamaged and will restart when voltage drops into normal range. 3. Recovery time is measured from application of the transient to point at which Vout is within 1% of final value.
4. Transition time > 10 S. 5. Tested on release from inhibit. 6. Shall not compromise DC performance. 7. SMFL283R3S current and power are at 25C only.
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Page 6 of 13 Rev H - 20061102
Crane Aerospace & Electronics Power Solutions
sMFL single and dual dc/dc converters
28 VoLt input - 65 Watt
Electrical Characteristics: -55C to +125C Tc, 28 VDC Vin, 100% load, RHA level O, unless otherwise specified.
DUAL OUTPUT MODELS
Parameter OutPut VOltage OutPut current2 OutPut POwer OutPut riPPle VOut cOnDitiOnS tc = 25c Vin = 16 tO 40 VDc + VOut each OutPut tOtal OutPut Vin = 16 tO 40 VDc 10 khz - 2 mhz VIN = 16 tO 40 VDc nO lOaD tO Full + VOut + VOut - VOut crOSS regulatiOn tc = 25c inPut VOltage
See nOte 3 See nOte 4
SMFL2805D
MIN 4.95 4.92 0 0 0 -- -- -- -- -- -- -- 16 -- -- -- -- -- 75 -- -- -- -- -- -- -- - VOut TYP 5.00 5.00 -- -- -- 50 0 0 25 5 3 28 -- 50 9 35 30 78 12.5 1.5 250 1.5 250 200 3.5 MAx 5.05 5.08 7 10 50 100 50 50 100 8 6 50 120
SMFL2812D
MIN TYP MAx 11.88 12.00 12.12 11.82 12.00 12.18 0 0 0 -- -- -- -- -- -- -- -- -- -- -- -- 50 0 3.5 5 60 120 50
SMFL2815D
MIN TYP MAx 14.85 15.00 15.15 14.77 15.00 15.23 0 0 0 -- -- -- -- -- -- -- -- -- -- -- 50 0 3.03 4.33 65 150 50
unitS VDc a w mV p-p mV mV % VDc V mA mA p-p % w ms mV pk
mS
line regulatiOn lOaD regulatiOn
- VOut
25
100
25 10 50 2 2 28 -- 50 9 35 30 84 10 1.5 450 1.5 250 200 3.5
100 120 4 4 50 100
25 10 150 2 2 28 -- 50 9 35 30 85 10 1.5 500 1.5 250 200 3.5
100 50 150 4 4 40 50 100 14 70 80 -- 14 4.0 600 3.0 400 300 6
50 --
cOntinuOuS TRANSIENT1, 5 50 ms
40 16
40 16
inPut current
nO lOaD inhibiteD-inh1 inhibiteD-inh2
14 -- 70 -- 50 -- -- 81 16 --
14 -- 70 -- 50 -- -- 82 14 --
inPut riPPle current eFFiciency tc = 25c lOaD Fault tc = 25c SteP lOaD reSPOnSe VOut VOut SteP line reSPOnSe1, 6 Start-uP8
10 khz - 10 mhz balanceD lOaD ShOrt circuit POwer DiSSiPatiOn recOVery1 50% - 100% - 50% tranSient 16 - 40 -16 VDc tranSient7 recOVery Delay recOVery1, 7
4.0 350 3.0 300 300 6
-- -- -- -- -- --
4.0 600 3.0 400 300 6
-- -- -- -- -- --
mV pk
s
ms
Notes 1. Guaranteed by design, not tested. 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 power. 3. Effect on negative Vout from 50%/50% loads to 70%/30% or 30%/70% loads. 4. Effect on negative Vout from 50%/50% loads to 50% then 10% load on negative Vout.
5. Unit will shut down above approximately 45V but will be undamaged and will restart when voltage drops into normal range. 6. Recovery time is measured from application of the transient to point at which Vout is within 1% of final value. 7. Transition time > 10 S. 8. Tested on release from inhibit. 9. Shall not compromise DC performance.
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Page 7 of 13 Rev H - 20061102
Crane Aerospace & Electronics Power Solutions
sMFL single and dual dc/dc converters
28 VoLt input - 65 Watt
Typical Performance Curves: 25C Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified.
90 85 16V 28V 40V 90 85 90
16V
28V
85
16V 28V
Efficiency (%)
75 70 65 60 10
Efficiency (%)
75 70 65 40V
Efficiency (%)
80
80
80 75 70 65 40V
SMFL2805S & SMFL2805D Efficiency
Output (Watts)
20
30
40
50
60 10
Figure 4
SMFL2812S & SMFL2812D Efficiency
Output Power (Watts)
20
30
40
50
60
60 10
Figure 5
SMFL2815S & SMFL2815D Efficiency
Output Power (Watts)
20
30
40
50
60 65
Figure 6
90 85 16 VIN 28 VIN 40 VIN
0. 20.
Efficiency (%)
80 75 70 65
Attenuation (dB)
100mV/div. 20V/div.
40. 60. 80.
Vout
Vin
60
0
SMFL2828S Efficiency
Output Power (Watts)
10
20 30 40 50 60 70
100. 0.1
SMFL Series Audio Rejection
Frequency (kHz)
1
10
100
Figure 7
Figure 8
SMFL2805S Step Line Response
50 s/div 16 to 40 V
Figure 9
20V/div.
20V/div. 100mV/div.
1ms/div No Load
100% to 50%
Vin
Vin +Vout
100mV/div.
1V/div.
50% to 100%
Vout
-Vout
SMFL2805S Step Load Response
1ms/div
Figure 10
SMFL2805S Turn On Response
Figure 11
SMFL2815D Step Line Response
50 s/div 16 to 40 V
Figure 12
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Page 8 of 13 Rev H - 20061102
Crane Aerospace & Electronics Power Solutions
sMFL single and dual dc/dc converters
28 VoLt input - 65 Watt
Typical Performance Curves: 25C Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified.
8 VIN +Vout
-Vout Voltage Change (%)
20V/div.
50% to 100%
-Pout = 32.5W
6 4 2 0 -2 -4 -6 -8 30 40 50 60 70 SMFL2805D SMFL2812D SMFL2815D
200mV/div.
5V/div.
100% to 50%
-Vout
SMFL2815D Step Load Response
1ms/div
SMFL2815D Turn On Response
1ms/div No Load
Output Load (%) +Pout 80 to 20 %, -Pout 20 to 80%
Figure 13
Figure 14
Cross Regulation
Figure 15
16
Input Voltage (Volts)
15 14 13
SMFL2815S & 15D
SMFL2805S & 5D 12 11 10 SMFL2812S & 12D 20 30 40 50 60 65
Output Power (Watts)
Low Line Dropout
Figure 16
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Page 9 of 13 Rev H - 20061102
Crane Aerospace & Electronics Power Solutions
sMFL single and dual dc/dc converter cases
28 VoLt input - 65 Watt
TOP VIEW CASE U Flanged case, short-leaded
*Does not require designator in Case Option position of model number.
Angled corner indicates pin one. 1.505 (38.23) max. 1.380 (35.05) 1.250 (31.75) 1.050 (26.67) 0.850 (21.59) 0.650 (16.51) 0.450 (11.43) 0.250 (6.35) 0.120 (3.05) 0.000 0.000 1 2 3 4 5 6 12 11 10 9 8 7
0.23 (5.8) Lead Length
0.128 dia (3.25). 0.040 dia (1.02)
Seam Seal
0.400 (10.16) max.
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/Nickel/Gold; compression glass seal
Case U, Rev C, 20060302 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) 1999-2006 Interpoint Corp. All rights reserved.
Figure 17: caSe u
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Page 10 of 13 Rev H - 20061102
2.880 (73.15) 3.005 (76.33) max.
2.750 (69.85)
0.050 (1.27) 0.000
0.120 (3.05) 0.250 (6.35)
0.220 (5.59
Crane Aerospace & Electronics Power Solutions
sMFL single and dual dc/dc converters
28 VoLt input - 65 Watt
Class H and K, QMl sCreening: eleMent evaluation
eleMent evaluation test perforMed (CoMponent level) Element Electrical Element Visual Internal Visual Temperature Cycling Constant Acceleration Interim Electrical Burn-in Post Burn-in Electrical Steady State Life Voltage Conditioning Aging Visual Inspection Final Electrical Wire Bond Evaluation4 spaCe prototype o M/s2 yes no no no no no no no no no no no no no no
non-QMl1
p3 no no no no no no no no no no no no no no no
Class H QMl M/s2 p3 yes yes yes no no no no no no no no yes yes no no yes yes no no no no no no no no no yes yes no yes
Class K QMl M/s2 p3 yes yes yes yes yes yes yes yes yes no no yes yes yes no yes yes no yes yes no no no no yes yes yes yes no yes
SEM SLAMTM/C-SAM: Input capacitors only (Add'l test, not req. by H or K)
Notes: 1. Non-QML products do not 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 wirebonds
Definitions: Element Evaluation: Component testing/screening per MIL-STD-883 as determined by MIL-PRF-38534 SEM: Scanning Electron Microscopy SLAMTM: Scanning Laser Acoustic Microscopy C-SAM: C - Mode Scanning Acoustic Microscopy
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Page 11 of 13 Rev H - 20061102
Crane Aerospace & Electronics Power Solutions
sMFL single and dual dc/dc converters
28 VoLt input - 65 Watt
Class H and K, QMl sCreening: environMental sCreening
environMental sCreening test perforMed (end iteM level) Non-destruct bond pull2 Method 2023 Pre-cap Inspection Method 2017, 2032 Temperature Cycle (10 times) Method 1010, Cond. C, -65C to 150C, ambient Constant Acceleration Method 2001, 3000 g PIND Test Method 2020, Cond. A Radiography Method 2012 Pre burn-in test Burn-in Method 1015, 125C case, typical 96 hours 160 hours 2 x 160 hour (includes mid BI test) Final electrical test MIL-PRF-38534 group A, Subgroups 1 through 6 -55C, +25C, +125C case Hermeticity test Fine Leak, Method 1014, Cond. A gross Leak, Method 1014, Cond. C Final visual inspection Method 2009 spaCe prototype o
non-QMl1
Class H, QMl yes3 yes yes yes yes3 n/a yes
Class K, QMl yes yes yes yes yes yes yes
no yes yes yes no n/a yes
yes no no yes yes yes yes
no yes no yes yes yes yes
no no yes yes yes yes yes
Test methods are referenced to MIL-STD-883 as determined by MIL-PRF-38534.
Notes: 1. Non-QML products do not meet all of the requirements of MIL-PRF-38534 2. Not applicable to EMI filters that have no wirebonds 3. Not required by DSCC but performed to assure product quality.
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Page 12 of 13 Rev H - 20061102
Crane Aerospace & Electronics Power Solutions
sMFL single and dual dc/dc converters
28 VoLt input - 65 Watt
Class H and K, QMl sCreening: radiation
product LeVeL aVaiLabiLity radiation Hardness assurance LeVeLs o: Standard, no radiation guarantee2 enVironMentaL screeninG LeVeLs space prototype o2 cLass H cLass K non-QML3 QML QML OO r: Radiation hardened - Tested lots Up to 100 K Rads (Si) total dose SEU guarantee up to 40 MeV Not available HO Not available KR4
HR4
Notes: 1. Our EMI filters are designed exclusively with passive components providing maximum tolerance for space environment requirements 2. 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" 3. Non-QML products do not meet all of the requirements of MIL-PRF-38534 4. Redmond site, Interpoint, has a DSCC approved radiation plan. Our SMD products with RHA level "R" code meet DSCC requirements
SMFL Single and Dual, Rev H - 20061102. This revision supercedes 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. SMFL Series is a trademark of Interpoint. Copyright (c) 1999 - 2006 Interpoint Corporation. All rights reserved. www.craneae.com
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