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Crane Aerospace & Electronics Power Solutions
SMFLHP Single and Dual DC/DC Converters
28 VOLT INPUT - 100 WATT
FEATURES
* * * * * * * * * * * * * * Fully qualified to Class H or K -55C to +125C operation 19 to 40 VDC input Fully Isolated Magnetic feedback Fixed frequency, 600 kHz typical Topology - Single Ended Forward Inhibit function - input and output Sync function Output trim on single output models Indefinite short circuit protection Remote sense on single output models Up to 87% efficiency May be paralleled up to 228 watts MODELS
VDC OUTPUT SINGLE 3.3 5 12 15 DUAL 5 12 15
DESCRIPTION
The SMFLHP SeriesTM 28 volt DC/DC converters are rated up to 100 watts output power over a -55C 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 228 watts. The welded, hermetically sealed package is only 3.005 x 1.505 x 0.400 inches, giving the series an overall power density of up to 67 watts per cubic inch.
Tight load regulation is achieved through a wide-bandwidth magnetic feedback circuit. The output voltage on single SMFLHP models can be easily trimmed up by adding an external resistor. (See Figure 2 for voltage changes with different resistor values.)
INHIBIT
The SMFLHP Series converters have two inhibit terminals (INH1 and INH2) that can be used to disable power conversion, resulting in a very low quiescent input current. A low (<0.8 volts) is required between INH1 (pin 4) and Input Common (pin 2) to inhibit the converter. A low (<0.5 volts) is required between INH2 (pin 12) and Output Common (pin 8) to inhibit the converter. The application of intermediate voltages to these pins (1.5 to 10.5 volts) should be avoided.
SCREENING
SMFLHP converters offer screening options to Space Prototype (O), Class H, or Class K. Radiation tolerant to Radiation Hardness Assurance (RHA) levels of "-" (O), "P" or "R", per MILSTD-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.
CURRENT SHARING AND PARALLEL OPERATION
Multiple SMFLHP converters may be used in parallel to drive a common load (see Figure 3). In this mode of operation the load current is shared by two or three SMFLHP converters. In current sharing mode, one SMFLHP 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) of the master unit. Figure 3 shows the typical setup for two or three units in parallel. Note that synchronizing the units together (though shown in the figure) 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). When paralleled, 76% of the total combined power ratings of the SMFLHP converters are available at the load. Overload and short circuit performance are not adversely affected during parallel operation.
DESIGN FEATURES
The SMFLHP Series converters are switching regulators that use a quasi-square wave, single ended forward converter design with a constant switching frequency of 600 kHz. Isolation between input and output circuits is provided with a transformer in the forward path and wide bandwidth magnetic coupling in the feedback control loop. The SMFLHP Series uses a unique dual loop feedback technique that controls output current with an inner feedback loop and 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.
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 - 20071221
Crane Aerospace & Electronics Power Solutions
SMFLHP Single and Dual DC/DC Converters
28 VOLT INPUT - 100 WATT
OPERATING CONDITIONS AND CHARACTERISTICS
Input Voltage Range * 19 to 40 VDC continuous * 50 V for 50 msec transient Output Power * up to 100 watts depending on model Lead Soldering Temperature (10 sec per lead) * 300C Storage Temperature Range (Case) * -65C to +150C Power Dissipation (Pd) * 20 watts Case Operating Temperature (Tc) * -55 to +125C full power * -55 to +135C absolute Derating Output Power/Current * Linearly from 100% at 125C to 0% at 135C Output Voltage Temperature Coefficient * 100 ppm/C typical Input to Output Capacitance * 150 pF typical Isolation * 100 megohm minimum at 500 VDC, any pin to case Audio Rejection * 50 dB typical Conversion Frequency * Free run mode 600 kHz typical 550 kHz min, 650 kHz. max * External sync range 525 to 675 kHz Inhibit Pin Voltage (unit enabled) * INH1 = 9 to12 V, INH2 = 6 to 9 V
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 * If not used, connect to input common Sync Out * Referenced to input common Inhibit (INH1, INH2) Open Collector * Logic low (output disabled) Current -10 to -5 mA INH1 referenced to input common Logic low 0.8 V max INH2 referenced to output common Logic low 0.5 V 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. Weight (maximum) 86 grams Screening Space Prototype (O), Class H, or Class K Radiation tolerant to Radiation Hardness Assurance (RHA) levels of "-" (O), "P" 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, HP, HR, KR
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Page 2 of 13 Rev H - 20071221
Crane Aerospace & Electronics Power Solutions
SMFLHP Single and Dual DC/DC Converters
28 VOLT INPUT - 100 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 (MSTR/INH2) 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 (MSTR/INH2)
TR1 Inhibit (INH1) Sync Out Sync In Sense Lines Slave MSTR (INH 2)
PINS NOT IN USE
Leave unconnected Leave unconnected Leave unconnected Connect to input common Must be connected to appropriate outputs Leave unconnected Leave unconnected
Angled corner indicates pin one.
1 2 3 4 5
See case U for dimensions.
12 11
TOP VIEW SMFLHP (Pin side, marked side)
10 9 8 7
6
FIGURE 1: PIN OUT
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Page 3 of 13 Rev H - 20071221
Crane Aerospace & Electronics Power Solutions
SMFLHP Single and Dual DC/DC Converters
28 VOLT INPUT - 100 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 Pos. Sense 10 9 8 7 + RL
Inhibit Sync In
Sense Return
-
Output Common Positive Output
REMOTE SENSE CONNECTION 1 2 3 Inhibit Sync In 4 5 6 MSTR/INH2 12 11 Slave 10 Pos. Sense 9 Sense Return 8 Output Common 7 Positive Output
28V
+ -
Positive Input Input Common TR1 INH1 Sync Out Sync In
RA - + RL
OUTPUT VOLTAGE ADJUST CONNECTION VOUT INCREASE (VOLT) 0.1 0.2 0.3 0.4 0.5 RA (OHMS) 3.3-V 5-V 12-V 25 120 70 240 360 480 600 140 210 280 350 50 75 100 125
15-V 20 40 60 80 100
FIGURE 2: 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 10 9 8 7 + RL -
Inhibit Sync In
MASTER
Output Common Positive Output
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 3: PARALLEL CONNECTIONS
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Page 4 of 13 Rev H - 20071221
Crane Aerospace & Electronics Power Solutions
SMFLHP Single and Dual DC/DC Converters
28 VOLT INPUT - 100 WATT
MODEL NUMBERING KEY
SMFLHP 28 05 S / K R
Base Model Input Voltage Output Voltage Number of Outputs (S = single, D = dual) Screening Radiation Level
MODEL SELECTION
SMFLHP28 base model / Vout value number of outputs screening
Choose one from each of the following rows: Vout value Number of outputs Case option Screening for singles 3R3, 5, 12, 15 for duals: 5, 12, 15 "R" = decimal point, 3R3 = 3.3VDC S (single) or D (dual) standard (case U, leave blank) OO* - Space prototype, HO, HP, 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,which is defined as "no RHA"
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Page 5 of 13 Rev H - 20071221
Crane Aerospace & Electronics Power Solutions
SMFLHP Single and Dual DC/DC Converters
28 VOLT INPUT - 100 WATT
Electrical Characteristics: -55C 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 - 2 MHZ LINE REGULATION LOAD REGULATION INPUT VOLTAGE NO LOAD TO FULL INPUT CURRENT CONDITIONS TC = 25C VIN = 19 TO 40 VDC VIN = 19 TO 40 VDC TC = 25C TC = -55C TO +125C VIN = 19 TO 40 VDC NO LOAD TO FULL CONTINUOUS TRANSIENT1, 2 50 ms NO LOAD INHIBITED - INH1 INHIBITED - INH2 INPUT RIPPLE CURRENT EFFICIENCY LOAD FAULT TC = 25C 10 KHZ - 10 MHZ TC = 25C SHORT CIRCUIT POWER DISSIPATION RECOVERY1 STEP LOAD RESPONSE 50% - 100% - 50% TRANSIENT RECOVERY1, 3 STEP LINE RESPONSE1 19 - 40 -19 VDC TRANSIENT4 RECOVERY3 START-UP DELAY OVERSHOOT1
SMFLHP283R3S
MIN 3.26 0 0 -- -- -- -- 19 -- -- -- -- -- 70 -- -- -- -- -- -- -- -- TYP 3.30 -- -- 10 20 0 0 28 -- 70 9 35 30 72 15 1.5 350 1.5 250 200 3.5 0 3.34 16 53 25 40 50 20 40
SMFLHP2805S
TYP 5.00 -- -- 15 30 0 0 28 -- 70 9 35 30 80 15 1.5 350 1.5 250 200 3.5 0 MAX 5.05 16 80 50 90 50 20 40 50 120 15 80 80 -- 20 4.95 0 0 -- -- -- -- 19
SMFLHP2812S
MIN TYP
SMFLHP2815S
TYP MAX UNITS VDC A W mV p-p mV mV VDC V mA
MAX MIN
MAX MIN
11.88 12.00 12.12 14.85 15.00 15.15 0 0 -- -- -- -- 19 -- -- -- -- -- 81 -- -- -- 30 45 0 0 28 -- 80 9 35 30 86 15 1.5 450 1.5 250 200 3.5 0 7.5 0 90 0 85 150 -- -- -- -- 30 45 0 0 28 -- 80 9 35 30 87 15 1.5 450 1.5 250 200 3.5 0 6.67 100 95 175 50 20 40 50 120 15 80 80 -- 20 4 700 3.0 800 600 10 50
50 -- 20 -- 40 50 120 15 80 19 -- -- -- --
50 -- 120 15 80 80 -- 22 10 400 -- -- -- -- 77 -- -- --
80 -- -- 82 20 --
mA p-p % W ms mV pk ms mV pk s ms mV pk
4-- 450 3.0 400 600 -- -- -- --
4-- 700 3.0 800 600 10 50 -- -- -- -- -- --
3.0 -- 400 300 10 50 -- -- -- --
10 -- 25 --
Notes 1. Guaranteed by design, not tested. 2. Unit will shut down above approximately 45V 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.
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Page 6 of 13 Rev H - 20071221
Crane Aerospace & Electronics Power Solutions
SMFLHP Single and Dual DC/DC Converters
28 VOLT INPUT - 100 WATT
Electrical Characteristics: -55C to +125C Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified.
DUAL OUTPUT MODELS
PARAMETER OUTPUT VOLTAGE TC = 25C OUTPUT CURRENT2 VIN = 19 TO 40 VDC OUTPUT POWER2 VIN = 19 TO 40 VDC OUTPUT RIPPLE CONDITIONS + VOUT - VOUT EACH OUTPUT TOTAL EACH OUTPUT TOTAL 10 KHZ - 2 MHZ + VOUT - VOUT + VOUT - VOUT SEE NOTE 3 SEE NOTE 4 CONTINUOUS TRANSIENT1, 5 50 ms NO LOAD INHIBITED - INH1 INHIBITED - INH2 INPUT RIPPLE CURRENT EFFICIENCY TC = 25C LOAD FAULT TC = 25C 10 KHZ - 10 MHZ BALANCED LOAD POWER DISSIPATION SHORT CIRCUIT RECOVERY1, 6 STEP LOAD RESPONSE VOUT STEP LINE RESPONSE1 VOUT START-UP 50% - 100% - 50% TRANSIENT RECOVERY1, 6 19 - 40 -19 VDC TRANSIENT1, 7 RECOVERY1, 6 DELAY OVERSHOOT1 + VOUT - VOUT
SMFLHP2805D
MIN 4.95 4.92 0 0 0 0 -- -- -- -- -- -- -- -- 19 0 -- -- -- -- 75 -- -- -- -- -- -- -- -- TYP 5.00 5.00 -- -- -- -- 25 25 0 25 0 25 6 7 28 -- 50 9 35 30 80 15 1.5 350 1.5 250 200 3.5 0 MAX 5.05 5.08 11.2
SMFLHP2812D
MIN TYP MAX 11.88 12.00 12.12 11.80 12.00 12.18 0 -- -- -- -- 50 50 0 25 10 50 2 2 28 -- 50 9 35 30 86 15 1.5 450 1.5 250 200 3.5 0
SMFLHP2815D
MIN TYP MAX 14.85 15.00 15.15 14.77 15.00 15.23 -- -- -- -- 50 50 0 25 10 50 2 2 28 -- 50 9 35 30 87 15 1.5 450 1.5 250 200 3.5 0 4.67 6.67 70 100 225 225 50 100 100 200 4 4 40 50 120 14 80 80 -- 20 4.0 700 3.0 800 600 20 50
UNITS
VDC
5.3 0 7.5 0 63 90 175 175 50 100 100 200 4 4 40 50 120 14 80 80 -- 20 4.0 700 3.0 800 600 0 0 -- -- -- -- -- -- -- -- 19 0 -- -- -- -- 82 -- -- -- -- -- --
16.0 0 56 80 150 150 50 100 50 100 0 0 -- -- -- -- -- --
A W
mV p-p
LINE REGULATION VIN = 19 TO 40 VDC LOAD REGULATION NO LOAD TO FULL CROSS REGULATION TC = 25C INPUT VOLTAGE NO LOAD TO FULL INPUT CURRENT TC = 25C
mV
mV
8-- 8 40 50 120 14 80 80 -- 20 4.0 450 3.0 600 300 20 25 -- 19 0 -- -- -- -- 81 -- -- -- -- -- -- -- --
% VDC V
mA mA p-p % W ms mV pk ms mV pk s ms mV pk
20 -- 50 --
Notes 1. Guaranteed by design, not tested. 2. Up to 70% of the total output power (current) is available from either output provided the opposite output is carrying 30% of the power (current) in use. 3. Effect on negative Vout from 50%/50% loads to 30%/70% or 70%/30% loads. 4. Effect on negative Vout from 50%/50% loads to 10% then 50% 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.
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Page 7 of 13 Rev H - 20071221
Crane Aerospace & Electronics Power Solutions
SMFLHP Single and Dual DC/DC Converters
28 VOLT INPUT - 100 WATT
Typical Performance Curves: 25C Tc , 28 VDC Vin, 100% load, free run, unless otherwise specified.
90 85 19V
90 85
19V
90 85
19V
Efficiency (%)
Efficiency (%)
Efficiency (%)
80 75 70 65 60 10 30
28V 40V
80 75 70 65
28V
80 75 70 65 40V
28V
40V
Output (Watts)
50
70
90
60 10
30
50
70
90
60 10
30
50
70
90 100
SMFLHP2805S & SMFLHP2805D Efficiency
Output Power (Watts)
Output Power (Watts)
SMFLHP2812S & SMFLHP2812D Efficiency
SMFLHP2815S & SMFLHP2815D Efficiency
FIGURE 4
FIGURE 5
FIGURE 6
0.
100mV/div.
100% to 50%
20.
Attenuation (dB)
40. 60. 80.
20V/div.
100mV/div.
Vout
Vin
50% to 100%
100. 0.1
1
10
100
Frequency (kHz)
50 s/div 19 to 40 V
1ms/div
SMFLHP2805S Step Load Response
SMFLHP Series Audio Rejection
SMFLHP2805S Step Line Response
FIGURE 7
FIGURE 8
FIGURE 9
20V/div.
20V/div.
50% to 100% Vin +Vout
Vin
1V/div.
Vout
100mV/div.
-Vout
200mV/div.
100% to 50%
1ms/div No Load
50 s/div 19 to 40 V
1ms/div
SMFLHP2815D Step Load Response
SMFLHP2805S Turn On Response
SMFLHP2815D Step Line Response
FIGURE 10
FIGURE 11
FIGURE 12
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Page 8 of 13 Rev H - 20071221
Crane Aerospace & Electronics Power Solutions
SMFLHP Single and Dual DC/DC Converters
28 VOLT INPUT - 100 WATT
Typical Performance Curves: 25C Tc , 28 VDC Vin, 100% load, free run, unless otherwise specified.
8
19
-Vout Voltage Change (%)
6 4 2 0 -2 -4 -6 -8 30 40
20V/div.
VIN
+Vout
Input Voltage (Volts)
SMFLHP2805D
SMFLHP2805S & 5D
18 SMFLHP2815S & 15D 17
SMFLHP2812D SMFLHP2815D
5V/div.
-Vout
SMFLHP2812S & 12D 50 60 70 16 30 40 50 60 70 80 90 100
1ms/div No Load
SMFLHP2815D Turn On Response
Output Load (%) +Pout 70 to 30 %, -Pout 30 to 70%
Output Power (Watts)
Cross Regulation
Low Line Dropout
FIGURE 13
FIGURE 14
FIGURE 15
Line Transient Response mVp
700 600 500 400 300
25C 100C 125C
200 100 0
10 100 1000 10000
-55C
Vin Rise-time (s)
SMFLHP2815D Line Transient Response vs. Vin Rise-time
FIGURE 16
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Page 9 of 13 Rev H - 20071221
Crane Aerospace & Electronics Power Solutions
SMFLHP Single and Dual DC/DC Converter Cases
28 VOLT INPUT - 100 WATT
TOP VIEW CASE U Flanged case, short-leaded
*Case U does not require designator in Case Option position of model number.
Seam Seal
0.23 (5.8) Lead Length 0.128 dia (3.25). 0.040 dia (1.02) 1 2 3 4 5 6 12 11 10 9 8 7
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
0.400 (10.16) max.
0.220 (5.59
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/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 16: CASE U
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Page 10 of 13 Rev H - 20071221
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)
Crane Aerospace & Electronics Power Solutions
SMFLHP Single and Dual DC/DC Converters
28 VOLT INPUT - 100 WATT
CLASS H AND K, MIL-PRF-38534 ELEMENT EVALUATION
COMPONENT-LEVEL TEST PERFORMED
SPACE PROTOTYPE (O) NON-QML1 M/S2 P3
no no N/A no no N/A N/A N/A N/A no no no no N/A no yes no no no no no no no no N/A no no no no no yes yes yes no no no no no no N/A N/A yes yes no no
CLASS H QML M/S2 P3
yes yes N/A no no N/A N/A N/A N/A no no yes yes N/A yes
CLASS K QML M/S2
yes yes yes yes yes yes yes yes yes N/A N/A yes yes yes no
P3
yes yes N/A yes yes N/A N/A N/A N/A yes yes yes yes N/A yes
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 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 - 20071221
Crane Aerospace & Electronics Power Solutions
SMFLHP Single and Dual DC/DC Converters
28 VOLT INPUT - 100 WATT
CLASS H AND K, MIL-PRF-38534 ENVIRONMENTAL SCREENING
END ITEM-LEVEL TEST PERFORMED Non-destruct bond pull 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 Pre burn-in test Burn-in Method 1015, 125C case, typical 96 hours 160 hours 2 x 160 hours (includes mid-BI test) Final Electrical Test MIL-PRF-38534 Group A, Subgroups 1 through 6 -55C, +25C, +125C case Radiography Method 2012 Post Radiography Electrical Test Room temperature Hermeticity Test Fine Leak, Method 1014, Cond. A Gross Leak, Method 1014, Cond. C Final visual inspection Method 2009
SPACE PROTOTYPE (O) NON-QML1
no yes
CLASS H QML
yes2 yes
CLASS K QML
yes yes
yes yes no yes
yes yes yes2 yes
yes yes yes yes
yes no no
no yes no
no no yes
yes N/A N/A yes yes yes
yes N/A N/A yes yes yes
yes N/A yes2 yes yes yes
Test methods are referenced to MIL-STD-883 as determined by MIL-PRF-38534. Notes: 1. Space Prototype (O), non-QML products, do not meet all of the requirements of MIL-PRF-38534. 2. Not required by DSCC but performed to assure product quality.
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Page 12 of 13 Rev H - 20071221
Crane Aerospace & Electronics Power Solutions
SMFLHP Single and Dual DC/DC Converters
28 VOLT INPUT - 100 WATT
CLASS H AND K, MIL-PRF-38534 RADIATION ASSURANCE
ENVIRONMENTAL SCREENING LEVELS RADIATION HARDNESS
ASSURANCE LEVELS
SPACE PROTOTYPE (O)
NON-QML2
CLASS H QML
CLASS K QML
O1: Standard, no radiation guarantee OO HO N/A
P: Radiation tolerant-Tested lots up to 30 K Rads (Si) total dose SEU guarantee up to 40 MeV R: Radiation tolerant-Tested lots up to 100 K Rads (Si) total dose SEU guarantee up to 40 MeV
N/A
HP3
N/A
N/A
HR3
KR3
Notes: 1. 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". 2. Space Prototype (O), non-QML, products do not meet all of the requirements of MIL-PRF-38534. 3. Redmond site, Interpoint, has a Radiation Hardness assurance plan on file with DSCC. Our SMD products with RHA "P" and "R" code meet DSCC requirements.
SMFLHP Single and Dual, Rev H - 20071221. 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. SMFLHP Series is a trademark of Interpoint. Copyright (c) 1999 - 2007 Interpoint Corporation. All rights reserved. www.craneae.com
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