SMTR [CRANE]
DC/DC CONVERTERS 28 VOLT INPUT; DC / DC转换器， 28伏特的输入
| 型号： | SMTR |
| 厂家： | 
Crane Aerospace & Electronics. |
| 描述： | DC/DC CONVERTERS 28 VOLT INPUT |
| 文件： | 总12页 (文件大小：248K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
FEATURES
SMTR SERIES
30 WATT
DC/DC CONVERTERS
28 VOLT INPUT
• Fully qualified to Class H or K
• Radiation hardened
• –55° to +125°C operation
• 16 to 40 VDC input
• Fully Isolated
• Magnetic feedback
MODELS
VDC OUTPUT
• Fixed frequency, 600 kHz typical
• Topology – Single Ended Forward
• Inhibit function
SINGLE
DUAL
±5
3.3
5
12
15
• Sync function
±12
±15
• Indefinite short circuit protection
• Up to 30 watts output power
• Trim function on single
Size (max.): Non-flanged Case: H2 2.125 x 1.125 x 0.400 inches (53.98 x 28.58 x 10.16 mm)
Flanged Case: K3 2.910 x 1.125 x 0.400 inches (73.79 x 28.58 x 10.16 mm)
See Figures 22 through 25 for dimensions.
output models
• Up to 81% efficiency
Weight:
Non-flanged 52 grams max., flanged 55 grams max.
Screening: Space prototype, Class H, or Class K (MIL-PRF-38534)
Radiation hardness levels O or R
DESCRIPTION
The SMTR Series™ of 28 volt DC/DC converters offers up to
30 watts of output power from single or dual output configurations.
The operate over the full military temperature range of –55°C to
+125°C with up to 84% efficiency. SMTR converters are packaged
in hermetically sealed metal enclosures, making them ideal for use
in military, aerospace and other high reliability applications.
SYNCHRONIZATION
Synchronizing the converter with the system clock allows the
designer to confine switching noise to clock transitions, minimizing
interference and reducing the need for filtering. In sync mode, the
converter will run at any frequency between 500 kHz and 675 kHz.
The sync control operates with a quasi-TTL signal at any duty cycle
between 40% and 60%. The sync pin should be connected to input
common pin when not in use.
SCREENING AND REPORTS
SMTR converters offer three screening options (Standard, Class H,
or Class K) and two levels of radiation hardness (O or R). See
Tables 1, 2, and 3 for more information. Detailed reports on product
performance are also available and are listed in Table 4.
WIDE VOLTAGE RANGE
SMTR converters are designed to provide full power operation over
a full 16 to 40 Vdc voltage range. Operation below 16 volts,
including MIL-STD-704D emergency power conditions is possible
with derated power.
CONVERTER DESIGN
The SMTR converters are constant frequency, pulse-width mod-
ulated switching regulators which use a quasi-square wave, single
ended, forward converter design. Tight load regulation is maintained
by using a wide bandwidth magnetic feedback and, on single output
models, through use of remote sense. On dual output models, the
positive output is independently regulated and the negative output is
cross regulated through the use of tightly coupled magnetics.
IMPROVED DYNAMIC RESPONSE
The SMTR Series feed-forward compensation system provides
excellent dynamic response and noise rejection. Audio rejection is
typically 50 dB. The min. to max. step line transient response is typi-
cally less than 4%.
INHIBIT FUNCTION
Indefinite short circuit protection and overload protection are
provided by a constant current-limit feature. This protective system
senses current in the converter’s secondary stage and limits it to
approximately 115% of the maximum rated output current.
SMTR 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 a TTL
compatible low (≤0.8V) is applied to the inhibit pin. 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. The open circuit output voltage associated with the inhibit pin
is 9 to 11 Vdc. In the inhibit mode, a maximum of 8 mA must be sunk
from the inhibit pin.
SMTR converters are provided with internal filtering capacitors that
help reduce the need for external components in normal operation.
For systems that require compliance with MIL-STD-461C’s CE03
standard, Interpoint offers filter/transient suppression modules
(including the FMC-461, FMD-461 and FM-704A series filters) which
will result in compliance. For the lowest noise performance, connec-
tion of the case to input common is recommended. The connection
can be hard-wired or AC coupled with a small ceramic bypass
capacitor.
®
1
SMTR SERIES
30 WATT
DC/DC CONVERTERS
SYNC AND INHIBIT
ABSOLUTE MAXIMUM RATINGS
TYPICAL CHARACTERISTICS
Sync (500 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
Inhibit TTL Open Collector
• Logic low (output disabled)
Voltage ≤0.8 V
Input Voltage
• 16 to 40 VDC
Output Power
• 25 to 30 watts depending on model
Lead Soldering Temperature (10 sec per pin)
• 300°C
Storage Temperature Range (Case)
• –65°C to +135°C
Output Voltage Temperature Coefficient
• 100 ppm/°C typical single and dual outputs
• 200 ppm/°C main, 300 ppm/°C aux
triple output
Input to Output Capacitance
• 50 pF typ (100 pF typ triple outputs)
Current Limit
• 115% of full load typical
Isolation
• 100 megohm minimum at 500 V
Audio Rejection
• 40 dB typ (50 dB typ triple output)l
Conversion Frequency
Inhibit pin current 8.0 mA max
RECOMMENDED OPERATING CONDITIONS
Input Voltage Range
• 16 to 40 VDC continuous
• 50 V for 50 msec transient
Case Operating Temperature (Tc)
• –55°C to +125°C full power
• –55°C to +135°C absolute
Derating Output Power/Current
• Linearly from 100% at 125°C to 0% at 135°C
• Referenced to input common
• Logic high (output enabled)
Open collector
• Free run 550 min, 600 typ, 650 max kHz
• External sync 500 to 675 kHz
Inhibit Pin Voltage (unit enabled)
• 9 to 11 V
Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, radiation level O, unless otherwise specified.
SINGLE OUTPUT MODELS
PARAMETER
SMTR283R3S
SMTR2805S
SMTR2812S
SMTR2815S
CONDITION
MIN TYP MAX MIN TYP MAX MIN TYP MAX MIN TYP MAX
UNITS
VDC
A
OUTPUT VOLTAGE
1
3.27 3.30 3.33 4.95 5.00 5.05 11.88 12.00 12.12 14.85 15.00 15.15
OUTPUT CURRENT
V
V
= 16 to 40 VDC
= 16 to 40 VDC
0
0
––
—
5.45
18
0
0
—
—
5.0
25
0
0
—
—
2.5
30
0
0
—
—
2.0
30
IN
1
OUTPUT POWER
W
IN
OUTPUT RIPPLE
VOLTAGE
10 kHz – 2 MHz
—
—
15
—
40
50
—
—
35
50
40
90
—
—
25
40
40
90
—
—
25
40
40
90
mV p-p
Tc = –55°C TO +125°C
Vin = 16 to 40 VDC
Tc = –55°C TO +125°C
NO LOAD TO FULL
Tc = –55°C TO +125°C
CONTINUOUS
2
LINE REGULATION
—
—
20
—
15
50
—
15
50
—
15
50
mV
LOAD REGULATION
—
16
—
—
28
—
20
40
50
—
16
—
15
28
—
50
40
50
—
16
—
15
28
—
50
40
50
—
16
—
15
28
—
50
40
50
mV
VDC
V
1
INPUT VOLTAGE
NO LOAD TO FULL
TRANSIENT 50 ms
1
INPUT CURRENT
NO LOAD
FULL LOAD
—
—
—
30
0.94
7
75
—
8
—
—
—
35
1.15
3
75
—
8
—
—
—
35
1.30
3
75
—
8
—
—
—
35
1.25
3
75
—
8
mA
A
INHIBITED
mA
INPUT RIPPLE
10 kHz – 10 MHz
Tc = –55°C TO +125°C
3
CURRENT
—
25
76
50
—
—
20
78
50
—
—
20
83
50
—
—
20
84
50
—
mA p-p
%
EFFICIENCY
74
74
78
79
4
LOAD FAULT
SHORT CIRCUIT
POWER DISSIPATION
—
—
—
10
6
—
—
—
10
5
—
—
—
10
5
—
—
—
10
5
W
1, 5
RECOVERY
1.4
1.4
1.4
1.4
ms
STEP LOAD RESP.
STEP LINE RESP.
50% – 100% – 50%
TRANSIENT
—
—
±125 ±250
—
—
±200 ±300
60 200
—
—
±250 ±400
60 200
—
—
±350 ±500
60 200
mV pk
µs
5
RECOVERY
—
200
16 – 40 – 16 VDC
6
TRANSIENT
—
—
—
—
±300
300
—
—
±200 ±300
—
—
±400 ±500
—
—
±500 ±600
mV pk
µs
5
RECOVERY
—
300
5
—
300
5
—
300
5
1
START-UP
DELAY
—
1.4
5
—
1.4
—
1.4
—
1.4
ms
OVERSHOOT
FULL LOAD
NO LOAD
—
—
0
50
—
—
0
50
—
—
0
120
—
—
0
150
mV pk
33
150
50
250
120 600
150 750
Notes
1. Tc = –55°C to +125°C
2. Operation is limited below 16V (see Figure 21).
3. Tested with 3300 pF ceramic bypass capacitors connected externally from
input common to case and output common to case.
4. Indefinite short circuit protection not guaranteed above 125°C case.
5. Recovery time is measured from application of the transient to point at which
Vout is within 1% of final value.
6. Transition time ≥10 µs.
®
2
SMTR SERIES
30 WATT
DC/DC CONVERTERS
Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, radiation level O, unless otherwise specified.
DUAL OUTPUT MODELS
PARAMETER
SMTR2805D
SMTR2812D
MIN TYP
SMTR2815D
MIN TYP
CONDITIONS
MIN
TYP
MAX
MAX
MAX
UNITS
OUTPUT VOLTAGE
+V
–V
4.95
4.92
0
5.00
5.05 11.88 12.00 12.12 14.85 15.00 15.15
OUT
VDC
5.00
2.5
5.08 11.82 12.00 12.18 14.77 15.00 15.23
OUT
1, 2
OUTPUT CURRENT
V
V
= 16 TO 40 VDC
= 16 TO 40 VDC
4.5
0
1.25
2.25
0
1.0
1.8
A
IN
IN
1, 2
OUTPUT POWER
0
—
20
40
25
50
80
0
—
30
40
30
80
0
—
25
40
30
80
W
OUTPUT RIPPLE
10 kHz - 2 MHz
Tc = –55°C TO +125°C
—
—
—
—
—
—
mV p-p
VOLTAGE +/– V
OUT
120
120
3
LINE REGULATION
Tc = –55°C
TO +125°C
Tc = –55°C
TO +125°C
+V
–V
+V
–V
—
—
—
—
—
—
10
50
5
50
100
50
—
—
—
—
—
—
10
50
15
30
4
50
150
50
—
—
—
—
—
—
10
50
15
30
3
50
180
50
180
8
OUT
OUT
OUT
OUT
mV
mV
%
V
= 16 TO 40 VDC
IN
LOAD REGULATION
NO LOAD TO FULL
CROSS REGULATION
25
7
100
12
180
8.3
6
SEE NOTE 4
SEE NOTE 5
EFFECT ON –V
OUT
4
6
4
4
6
1
INPUT VOLTAGE
CONTINUOUS
TRANSIENT 50 ms
NO LOAD
16
0
28
—
40
50
75
—
8
16
0
28
—
40
50
75
—
8
16
0
28
—
40
50
75
—
8
VDC
V
NO LOAD TO FULL
INPUT CURRENT
—
—
—
35
—
—
—
50
—
—
—
50
mA
A
FULL LOAD
1.10
3
1.34
3
1.29
3
INHIBITED
mA
INPUT RIPPLE
1, 6
CURRENT
10 kHz - 10 MHz
—
15
76
50
—
—
20
80
50
—
—
20
81
50
—
mA p-p
%
EFFICIENCY
74
77
78
7
LOAD FAULT
POWER DISSIPATION
1
SHORT CIRCUIT
—
—
—
10
—
—
—
10
—
—
—
10
W
RECOVERY
50 – 100 – 50% BALANCED
TRANSIENT
1.4
5.0
1.4
5.0
1.4
5.0
ms
STEP LOAD
RESPONSE ± V
OUT
—
—
±200
100
±300
200
—
—
±150
100
±300
200
—
—
±200
100
±400
200
mV pk
µs
8
RECOVERY
STEP LINE
16 – 40 – 16 V
IN
TRANSIENT
9
RESPONSE ± V
OUT
—
±200
±400
—
±200
±400
—
±400
±500
mV pk
8
RECOVERY
—
—
—
300
5
—
—
—
300
5
—
—
—
300
5
µs
1
START–UP
DELAY
1.4
1.4
1.4
ms
OVERSHOOT
FULL LOAD
NO LOAD
—
—
0
180
250
—
—
0
120
600
—
—
0
150
750
mV pk
50
120
150
Notes
1. Tc = –55°C to +125°C.
2. Up to 90% of the total output current/power is available from either output
providing the positive output is carrying at least 10% of the total output
power.
5. Effect on the negative output under the following conditions:
+P 50%; –P 10% to 50%
out
out
6. Tested with 3300 pF ceramic bypass capacitors connected externally from
input common to case and output common to case
7. Indefinite short circuit protection not guaranteed above 125°C case.
8. Recovery time is measured from application of the transient to point at which
Vout is within 1% of final value.
3. Operation is limited below 16 V (see Figure 21).
4. Effect on the negative output under the following conditions:
+P 20% to 80%; –P 80% to 20%
out
out
9. Transition time ≥ 10 µs.
®
3
SMTR SERIES
30 WATT
DC/DC CONVERTERS
TRIM AND REMOTE SENSE (AVAILABLE ON SINGLE OUTPUT MODELS ONLY)
SMTR SINGLE OUTPUT CONVERTER
SMTR SINGLE OUTPUT CONVERTER
1
4
1
4
OUTPUT
COMMON
OUTPUT
COMMON
+V
+V
IN
IN
1
SENSE
2
2
SENSE
RETURN
3
6
RETURN
3
6
R
R
L
L
SENSE
1
SENSE
R
T
INPUT
COMMON
POSITIVE
OUTPUT
INPUT
COMMON
POSITIVE
OUTPUT
10
5
10
5
EXTERNAL TRIM CONNECTION
REMOTE SENSE CONNECTION
2 Make connections at load.
1
Make connections at converter.
2, 3
1, 2, 3
FIGURE 2: REMOTE SENSE
FIGURE 1: TRIM CONNECTION
Trim Formulas
Notes for Remote Sense and Trim
1. When trimming output voltage and/or remote sensing, the total output
voltage increase must be less than 0.6 volts at the converters pins to
maintain specified performance.
2. If neither voltage trim nor remote sense will be used, connect pin 3 to
pin 4 and pin 5 to pin 6 or the output voltage will increase by 1.2 volts.
3. CAUTION: The converter will be permanently damaged if the positive
remote sense (pin 6) is shorted to ground. Damage may also result if
the output common or positive output is disconnected from the load with
the remote sense leads connected to the load.
Vout = desired output voltage; Rt = trim resistor
3.3V: Rt = 1300 Vout – 4304
*
1.2475
5V: Rt = 1300 Vout – 6512
*
1.2475
12V: Rt = 1300 Vout – 15631
*
1.2475
15V: Rt = 1300 Vout – 19498
*
1.2475
PIN OUT
Pin
1
Single Output
Positive Input
Inhibit
Dual Output
Positive Input
Inhibit
Dot on top of cover indicates pin one.
2
3
Sense Return
Positive Output
1
2
3
4
5
4
Output Common Output Common
BOTTOM VIEW
SMTR SINGLE
FLANGED AND NON-FLANGED
5
Positive Output
Positive Sense
Case Ground
Case Ground
Sync
Negative Output
Case Ground
Case Ground
Case Ground
Sync
6
7
10
9
8
7
6
8
9
10
Input Common
Input Common
Dotted line outlines flanged package option.
See Figures 22 and 23 and for dimensions.
FIGURE 3: PIN OUT SINGLE OUTPUT MODELS
Dot on top of cover indicates pin one.
1
2
3
4
5
BOTTOM VIEW
SMTR DUAL
FLANGED AND NON-FLANGED
10
9
8
7
6
Dotted line outlines flanged package option.
See Figures 24 and 25 for dimensions.
FIGURE 4: PIN OUT DUAL OUTPUT MODELS
®
4
SMTR SERIES
30 WATT
DC/DC CONVERTERS
SMD NUMBERS
STANDARD MICROCIRCUIT
DRAWING (SMD)
MTR SERIES
SIMILAR PART
MODEL NUMBERING KEY
5962-0150102HXC
5962-9306802HXC
5962-9306902HXC
5962-9307002HXC
IN PROCESS
SMTR283R3S/HO
SMTR2805S/HO
SMTR2812S/HO
SMTR2815S/HO
SMTR2805D/HO
SMTR2812D/HO
SMTR2815D/HO
SMTR 28 05
S
F
/
K
R
Base Model
Input Voltage
Output Voltage
IN PROCESS
IN PROCESS
Number of Outputs
(S = single, D = dual)
Case Option
(Non-flanged case has no designator
in this position)
To indicate the flanged case option change the “X” to “Z” In the
SMD number. 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 radiation levels. For exact specifications for an SMD
product, refer to the SMD drawing. Call your Interpoint repre-
sentative for status on the SMTR SMD releases which are “in
process.” SMDs can be downloaded from
Screening
Radiation Level
http://www.dscc.dla.mil/programs/smcr
Typical Performance Curves: 25°C Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified.
87
82
77
72
67
62
85
80
75
70
65
60
85
80
75
70
65
60
16V
16V
16V
28V
28V
28V
40V
40V
40V
5
10
15
20
25
5
10
15
20
25
5
10
15
20
OUTPUT POWER (Watts)
OUTPUT POWER (Watts)
OUTPUT POWER (Watts)
SMTR2815S EFFICIENCY
SMTR2805S EFFICIENCY
SMTR2812S EFFICIENCY
FIGURE 5
FIGURE 6
FIGURE 7
85
80
75
70
65
60
90
85
80
75
70
65
16V
0
10
20
30
40
50
60
70
80
90
100
28V
16V
28V
40V
40V
10
5
15
20
5
10
15
20
0.1
1
10
100
OUTPUT POWER (Watts)
SMTR2812D EFFICIENCY
FREQUENCY (kHz)
OUTPUT POWER (Watts)
SMTR2815D EFFICIENCY
AUDIO REJECTION, SMTR SERIES
FIGURE 8
FIGURE 9
FIGURE 10
®
5
SMTR SERIES
30 WATT
DC/DC CONVERTERS
Typical Performance Curves: 25°C Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified.
25W to 12.5W
25W to 2.5W
V
IN
V
2.5W to 25W
OUT
12.5W to 25W
50µs/div
50% 100%
50µs/div
16 TO 40V
50µs/div
10% 100%
SMTR2805S STEP LOAD RESPONSE
SMTR2805S STEP LINE RESPONSE
SMTR2805S STEP LOAD RESPONSE
FIGURE 11
FIGURE 12
FIGURE 13
–P
OUT
=15W
V
IN
V
IN
15W to 7.5W
7.5W to 15W
+V
OUT
V
OUT
–V
OUT
500 µs / div
50µs/div
25% 50%
50µs/div
16 TO 40
SMTR2805S TURN-ON INTO NO LOAD
SMTR2815D +V
STEP LOAD RESPONSE
SMTR2815D STEP LINE RESPONSE
OUT
FIGURE 14
FIGURE 15
FIGURE 16
10
9
8
7
2812D
2805D
6
5
4
3
V
2
IN
15W to 3W
3W to 15W
50µs/div
2815D
1
0
+V
OUT
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
2815D
–V
OUT
2812D
2805D
+P
–P
0
3
6
9
12 15 18 21 24 27 30
OUT
OUT
30 27 24 21 18 15 12
9
6
3
0
200µs/div
10%
100%
OUTPUT LOAD (Watts)
10% to 90% LOAD +V
90% to 10% LOAD –V
CROSS REGULATION
SMTR2815D TURN-ON INTO NO LOAD
SMTR2815D +V
STEP LOAD RESPONSE
OUT
FIGURE 17
FIGURE 18
FIGURE 19
16.0
8
7
6
5
4
3
2
1
0
–1
–2
–3
–4
–5
–6
–7
–8
15.5
15.0
14.5
14.0
13.5
13.0
2812D
2805D
COND A
2815D
COND B
2805D
2812D
9
12
15
18 21 24
27 30
10
20
30
40
50
OUTPUT POWER (Watts)
1% DROP
SMTR SINGLES AND DUALS
LOW LINE DROPOUT
OUTPUT LOAD (%)
COND. B: 50% LOAD +V, 50% to 10% –V
COND. A: 50% LOAD –V, 50% to 10% +V
CROSS REGULATION
FIGURE 20
FIGURE 21
®
6
SMTR SERIES
30 WATT
DC/DC CONVERTERS
Materials
Header Cold Rolled Steel/Nickel/Gold
Dot on top of case indicates pin one
case H2
Cold Rolled Steel/Nickel/Tin
case H4
Cover Kovar/Nickel
CASE H
BOTTOM VIEW
See Figure 23 for pin configurations.
case H2
Cold Rolled Steel/Nickel/Tin
case H4
1.125 max
(28.58)
Pins
#52 alloy
ceramic seal
case H1
compression glass seal
case H4
2.125 max
(53.98)
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.
FIGURE 22: CASE H MAXIMUM DIMENSIONS
BOTTOM VIEW CASE H2
SMTR Series Single
SMTR Series Dual
Squared corner and dot on top
of case indicate pin one.
Seam Seal
Platform
1.110 (28.19)
0.955 (24.26)
1
2
3
4
5
0.040 dia
(1.02)
SMTR Series Dual
10
9
8
7
6
0.155 (3.94)
0.000
Squared corner and dot on top
of case indicate pin one.
1.110 (28.19)
0.955 (24.26)
1
2
3
4
5
SMTR Series Single
10
9
8
7
6
0.155 (3.94)
0.000
FIGURE 23: CASE H2
Note: Although every effort has been made to render the case drawings at actual size, variations in the printing process may cause some distortion. Please refer
to the numerical dimensions for accuracy.
®
7
SMTR SERIES
30 WATT
DC/DC CONVERTERS
Dot on top of case indicates pin one
CASE K
BOTTOM VIEW
See Figures 40 and 41
for pin configuration
1.125 max
(28.58)
2.910 max
(73.91)
Flange Thickness:
Case K3 0.060 (1.52)
Case K5 0.067 +0.005/-0.007 (1.70 +0.13/-0.8)
Materials
Header Case K3
Cold Rolled Steel/Nickel/Gold
Case K8
Cold Rolled Steel/Nickel/Tin
Cover Case K3
Kovar/Nickel
Case K8
Cold Rolled Steel/Nickel/Tin
Pins
#52 alloy (all cases)
Case K3
ceramic seal
Case K8
compression glass seal
Case dimensions in inches (mm)
Tolerance ±0.005 (0.13) for three decimal places
±0.01 (0.2) 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.
FIGURE 24: CASE K MAXIMUM DIMENSIONS
®
8
SMTR SERIES
30 WATT
DC/DC CONVERTERS
BOTTOM VIEW CASE K3
Flanged cases: Designator "F" required in Case Option position of model number.
SMTR Series Single
SMTR Series Dual
Platform Header
Dot on top of case indicates pin one
1.110 (28.19)
Seam Seal
0.955 (24.26)
1
2
3
4
5
0.040 dia
(1.02)
0.162 dia
(4.11)
SMTR Series Dual
0.555 (14.1)
10
9
8
7
6
0.155 (3.94)
0.000
Platform Header
Seam Seal
Dot on top of case indicates pin one
1.110 (28.19)
0.955 (24.26)
1
2
3
4
5
0.040 dia
(1.02)
0.162 dia
(4.11)
0.555 (14.1)
SMTR Series Single
10
9
8
7
6
0.155 (3.94)
0.000
FIGURE 25: CASE K3
®
9
SMTR SERIES
30 WATT
DC/DC CONVERTERS
TABLE 1: ELEMENT EVALUATION
ELEMENT EVALUATION
SPACE
PROTOTYPE CLASS
CLASS
K
TEST PERFORMED
(O)
H
(COMPONENT LEVEL)
M/S
yes
no
no
no
no
no
no
no
no
no
no
no
no
no
P
M/S
P
M/S
P
Element Electrical
no yes yes yes
no yes yes yes
yes
yes
no
Element Visual
Internal Visual
no yes
no yes
no yes
no yes
no yes
no yes
no yes
no yes
no no
no no
Temperature Cycling
Constant Acceleration
Interim Electrical
Burn-in
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
no
yes
yes
no
no
Post Burn-in Electrical
Steady State Life
Voltage Conditioning /Aging
Visual Inspection
Final Electrical
no
no
yes
yes
yes
yes
no
no yes yes yes
no yes yes yes
Wire Bond Evaluation
SEM
no
no
no yes
SLAM™/C-SAM:
Input capacitors only
(Add’l test, not req. by H or K)
no
no
no
yes no
yes
Notes
M/S Active components (Microcircuit and Semiconductor Die)
Passive components
P
Definitions
Element Evaluation: Component testing/screening per MIL-STD-883 as determined by MIL-PRF-38534
SEM: Scanning Electron Microscopy
SLAM™: Scanning Laser Acoustic Microscopy
C-SAM: C - Mode Scanning Acoustic Microscopy
®
10
SMTR SERIES
30 WATT
DC/DC CONVERTERS
TABLE 2: PRODUCT ENVIRONMENTAL SCREENING
ENVIRONMENTAL SCREENING
SPACE
PROTOTYPE
(O)
TEST PERFORMED
(END ITEM LEVEL)
Non-destruct bond pull
Method 2023
Pre-cap inspection
Method 2017, 2032
Temperature cycle
Method 1010, Cond. C
Constant acceleration
Method 2001, 3000 g
PIND Test
CLASS
H
CLASS
K
no
yes
yes
yes
no
no
yes
yes
yes
yes
yes
yes
yes
yes
yes
Method 2020, Cond. B
Radiography
Method 2012
Pre burn-in test
no
yes
no
yes
yes
yes
Burn-in, Method 1015, 125°C
96 hours
160 hours
2 x 160 hour (includes mid BI test)
Final electrical test
MIL-PRF-38534, Group A
Hermeticity test
yes
no
no
no
yes
no
no
no
yes
yes
yes
yes
Fine Leak,
Method 1014, Cond. A
Gross Leak,
Method 1014, Cond. C
Final visual inspection
Method 2009
yes
yes
yes
yes
yes
yes
yes
yes
yes
Test methods are referenced to MIL-STD-883 as determined by MIL-PRF-38534.
®
11
SMTR SERIES
30 WATT
DC/DC CONVERTERS
TABLE 3: RADIATION HARDNESS LEVELS
PRODUCT LEVEL AVAILABILITY
ENVIRONMENTAL SCREENING LEVELS
SPACE
PROTOTYPE
(O)
CLASS
H
CLASS
K
RADIATION HARDNESS LEVELS
O: Standard, no radiation guarantee
For system evaluation, electrically
and mechanically comparable to
H and K level.
R: Radiation hardened – Tested lots
Up to 100 k Rads (Si) total dose
SEU guarantee up to 40 MeV
Not
available
OO
HO
HR
Not
available
KR
R is referenced to MIL-PRF-38534, appendix G, Radiation Hardness Assurance
(RHA) levels.
Contact Information:
www.interpoint.com
Interpoint Headquarters USA
Phone: 1-800-822-8782
+425-882-3100
Interpoint UK
Phone: +44-1252-872266
Interpoint France
Phone: +33-134285455
Email:
poweruk@intp.com
Email:
powerfr@intp.com
Email:
power@intp.com
SMTR Rev E August 24, 2005 (case to input common). This revision supercedes all
previous releases. All technical information is believed to be accurate, but no responsi-
bility is assumed for errors or omissions. Interpoint reserves the right to make changes
in products or specifications without notice. SMTR Series is a trademark of Interpoint.
Copyright © 1994 - 2005 Interpoint. All rights reserved.
®
12
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