Data Sheet - Interpoint

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 • power@crane-eg.com
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
powerapps@crane-eg.com +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
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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
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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