SMFLHP2815S/O [CRANE]
Analog Circuit, Hybrid,;
| 型号： | SMFLHP2815S/O |
| 厂家： | 
Crane Aerospace & Electronics. |
| 描述： | Analog Circuit, Hybrid, |
| 文件： | 总10页 (文件大小：181K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
FEATURES
SMFLHP SERIES
100 WATT
DC/DC CONVERTERS
28 VOLT INPUT
• Fully qualified to Class H or K
• –55° to +125°C operation
• 19 to 40 VDC input
• Fully Isolated
• Magnetic feedback
MODELS
• 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
VDC OUTPUT
SINGLE
3.3
5
DUAL
5
12
12
15
15
• Parallelable up to 270 watts
Size (max.): 3.005 x 1.505 x 0.400 inches (76.33 x 38.23 x 10.16 mm)
See Figures 16 and 17
Weight:
100 grams maximum
Screening: Space Standard, Class H or Class K (MIL-PRF-38534)
Radiation hardness levels O or R
DESCRIPTION
INHIBIT
The SMFLHP Series™ 28 volt DC/DC converters are rated up to
100 watts output power over a –55° to +125°C 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 270 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.
The SMFLHP 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. An open
collector TTL compatible low (<0.8 volts) is required between INH1
(pin 4) and Input Common (pin 2) to inhibit the converter. An open
collector TTL compatible 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 AND REPORTS
SMFLHP converters offer three screening options (Space Standard,
Class H, or Class K) and two levels of radiation hardness (O and R).
Detailed reports on product performanace are also available.
CURRENT SHARING AND PARALLEL OPERATION
Multiple SMFLHP converters may be used in parallel to drive a
common load (see Figure 2). 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).
Figure 2 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).
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 trans-
former 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.
When paralleled, 90% 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.
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.
Tight load regulation is achieved through
a wide-bandwidth
magnetic feedback circuit. The output voltage on single SMFLHP
models can be easily trimmed by adding an external resistor. (See
Figure 1 for voltage changes with different resistor values.)
1
SMFLHP SERIES
100 WATT
DC/DC CONVERTERS
ABSOLUTE MAXIMUM RATINGS
Input Voltage
TYPICAL CHARACTERISTICS
Output Voltage Temperature Coefficient
• 100 ppm/°C typical
Input to Output Capacitance
• 150 pF typical
Isolation
• 100 megohm minimum at 500 V
Audio Rejection
• 50 dB typical
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
• Referenced to input common
• If not used, connect to input common
Sync Out - Referenced to input common
Inhibit (INH1, INH2) TTL Open Collector
• Logic low (output disabled)
Current –10 to –5 mA
• 19 to 40 VDC
Power Dissipation (Pd)
• 20 watts
Output Power
• 80 to 100 watts depending on model
Lead Soldering Temperature (10 sec per lead)
• 300°C
Storage Temperature Range (Case)
• –65°C to +150°C
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
INH1 referenced to input common
Logic low 0.8 V max
INH2 referenced to output common
Logic low 0.5 V max
RECOMMENDED OPERATING CONDITIONS
Input Voltage Range
• 19 to 40 VDC continuous
• 50 V for 50 msec transient
• Logic high (output enabled)
Open collector
Case Operating Temperature (Tc)
• –55 to +125°C full power
• –55 to +135°C absolute
Derating Output Power/Current
• Linearly from 100% at 125°C to 0% at 135°C
PINS NOT USED
TR1, Master, and Slave
If not used, leave unconnected
Electrical Characteristics: –55°C to +125°C Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified.
SINGLE OUTPUT MODELS
SMFLHP283R3S
SMFLHP2805S
SMFLHP2812S
SMFLHP2815S
PARAMETER
CONDITION
25°C
MIN TYP MAX
MIN TYP MAX
MIN TYP MAX
MIN TYP MAX
UNITS
OUTPUT VOLTAGE
3.26 3.3 3.34
4.95 5.00 5.05
11.88 12.00 12.12
14.8515.00 15.15
VDC
OUTPUT CURRENT
OUTPUT POWER
V
= 19 to 40 VDC
= 19 to 40 VDC
0
0
—
—
18
60
0
0
—
—
16
80
—
0
7.5
—
0
—
0
6.67
—
A
IN
IN
V
90
100
W
mV p-p
mV
OUTPUT RIPPLE
Tc = 25°C
—
—
—
10
20
0
45
80
50
—
—
—
15
30
0
50
90
50
—
—
—
30
45
0
85
150
50
—
—
—
30
45
0
95
175
50
VOLTAGE 10 k - 2 MHz Tc = –55°C to +125°C
LINE REGULATION
V
= 19 to 40 VDC
IN
LOAD REGULATION
INPUT VOLTAGE
NO LOAD TO FULL
CONTINUOUS
—
19
—
0
20
40
50
—
19
—
0
20
40
50
—
19
—
0
20
40
50
—
0
20
40
50
mV
VDC
V
28
—
28
—
28
—
19 28
1
NO LOAD TO FULL
TRANSIENT 50 ms
—
—
INPUT CURRENT
NO LOAD
—
—
—
—
70
2.9
9
120
3.1
15
—
—
—
—
70
120
—
—
—
—
50
80
—
—
—
—
50
80
mA
A
FULL LOAD
3.6 3.73
3.8 3.95
4.2 4.40
INHIBITED - INH1
INHIBITED - INH2
9
15
80
9
15
80
9
15
80
mA
35
80
35
35
35
INPUT RIPPLE
CURRENT
10 kHz - 10 MHz
Tc = 25°C
—
15
72
50
—
—
15
80
50
—
—
15
86
50
—
—
15
50
—
mA pp
%
EFFICIENCY
70
77
81
82 87
2
LOAD FAULT
Tc = 25°C
POWER DISSIPATION
SHORT CIRCUIT
—
—
15
20
4
—
—
15
20
4
—
—
15
20
4
—
—
15
20
4
W
RECOVERY
1.5
1.5
1.5
1.5
ms
STEP LOAD RESP.
50% – 100% – 50%
TRANSIENT
—
—
350 450
1.5 3.0
—
—
350 450
1.5 3.0
—
—
450 700
1.5 3.0
—
—
450 700
1.5 3.0
mV pk
ms
3
RECOVERY
STEP LINE RESP.
START-UP
19 – 40 – 19 VDC
4
TRANSIENT
—
—
250 400
200 600
—
—
250 400
200 600
—
—
250 400
200 600
—
—
250 400
200 600
mV pk
µs
3
RECOVERY
DELAY
—
—
3.5
0
10
25
—
—
3.5
0
10
25
—
—
3.5
0
10
50
—
—
3.5
0
10
50
ms
OVERSHOOT
mV pk
Notes
1. 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.
2. Indefinite short circuit protection not guaranteed above 100°C case.
4. Transition time ≥ 10 µs.
2
SMFLHP SERIES
100 WATT
DC/DC CONVERTERS
Electrical Characteristics: –55°C to +125°C Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified.
DUAL OUTPUT MODELS
PARAMETER
OUTPUT VOLTAGE
Tc = 25°C
SMFLHP2805D
MIN TYP MAX
4.95 5.00 5.05
4.92 5.00 5.08
SMFLHP2812D
MIN TYP MAX
11.88 12.00 12.12 14.85 15.00 15.15
11.82 12.00 12.18 14.77 15.00 15.23
SMFLHP2815D
MIN TYP MAX
CONDITIONS
+V
UNITS
OUT
OUT
VDC
–V
1
OUTPUT CURRENT
EACH OUTPUT
0
0
0
0
—
—
—
—
11.2
16.0
56
0
0
0
0
—
—
—
—
5.3
7.5
63
0
0
0
0
—
—
—
—
4.67
6.67
70
A
V
= 19 TO 40 VDC
TOTAL
IN
OUTPUT POWER
= 19 TO 40 VDC
EACH OUTPUT
W
V
TOTAL
80
90
100
IN
OUTPUT RIPPLE
VOLTAGE
10 kHz - 2 MHz
+V
–V
+V
–V
—
—
—
—
25
25
0
150
150
50
—
—
—
—
50
50
0
175
175
50
—
—
—
—
50
50
0
225
225
50
OUT
OUT
OUT
OUT
mV p-p
mV
LINE REGULATION
V
= 19 TO 40 VDC
25
100
25
100
25
100
IN
LOAD REGULATION
NO LOAD TO FULL
+V
–V
—
—
0
50
—
—
10
50
100
200
—
—
10
50
100
200
OUT
OUT
mV
25
100
INPUT VOLTAGE
NO LOAD TO FULL
INPUT CURRENT
Tc = 25°C
CONTINUOUS
2
19
0
28
—
50
3.6
9
40
50
19
0
28
—
50
3.8
9
40
50
19
0
28
—
40
50
VDC
V
TRANSIENT 50 ms
NO LOAD
—
—
—
—
120
—
—
—
—
120
—
—
—
—
550
4.2
9
120
mA
A
FULL LOAD
INHIBITED - INH1
INHIBITED - INH2
14
80
14
80
14
80
mA
35
35
35
INPUT RIPPLE
CURRENT
10 kHz - 10 MHz
BALANCED LOAD
POWER DISSIPATION
SHORT CIRCUIT
RECOVERY
—
15
80
50
—
—
15
86
50
—
—
15
87
50
—
mA p-p
%
EFFICIENCY 25°C Tc
75
81
82
3
LOAD FAULT
Tc = 25°C
—
—
15
20
—
—
15
20
—
—
15
20
W
1.5
4.0
1.5
4.0
1.5
4.0
ms
STEP LOAD
50 %–100%– 50% LOAD
TRANSIENT
RESPONSE
V
—
—
350
1.5
450
3.0
—
—
450
1.5
700
3.0
—
—
450
1.5
700
3.0
mV pk
ms
OUT
4
RECOVERY
STEP LINE
RESPONSE
19 – 40 – 16 V
IN
TRANSIENT
75
V
—
250
600
—
250
600
—
250
600
mV pk
OUT
4
RECOVERY
—
—
200
3.5
300
20
—
—
200
3.5
300
20
—
—
200
3.5
300
20
µs
START–UP
DELAY
ms
OVERSHOOT
—
0
25
—
0
50
—
0
50
mV p
Notes
1. 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.
2. Unit will shut down above approximately 45V but will be undamaged and
will restart when voltage drops into normal range.
4. Recovery time is measured from application of the transient to point at
which Vout is within 1% of final value.
5. Transition time ≥ 10 µs.
3. Indefinite short circuit protection not guaranteed above 100°C case.
3
SMFLHP SERIES
100 WATT
DC/DC CONVERTERS
SINGLE OUTPUT MODELS CONNECTION DIAGRAMS - SENSE AND PARALLEL
12
11
10
9
1
2
3
4
5
6
Positive Input
Input Common
TR1
MSTR/INH2
Slave
+
28V
–
Pos. Sense
INH1
Sense Return
Output Common
Positive Output
Inhibit
–
8
Sync Out
Sync In
7
+
Sync In
R
L
REMOTE SENSE CONNECTION
12
11
10
9
1
2
3
4
5
6
Positive Input
MSTR/INH2
Slave
+
28V
Input Common
TR1
–
RA
Pos. Sense
Inhibit
INH1
Sense Return
Output Common
Positive Output
–
8
Sync Out
Sync In
7
+
Sync In
R
L
OUTPUT VOLTAGE ADJUST CONNECTION
RA (OHMS)
VOUT INCREASE
5–V
(VOLT)
12–V 15–V
0.1
70
25
20
0.2
0.3
0.4
0.5
140
210
280
350
50
40
75
60
100
125
80
100
FIGURE 1: SENSE CONNECTIONS AND TRIM TABLE
12
11
10
9
1
2
3
4
5
6
Positive Input
Input Common
TR1
MSTR/INH2
Slave
+
28V
–
Pos. Sense
MASTER
Inhibit
INH1
Sense Return
Output Common
Positive Output
–
8
Sync Out
Sync In
7
+
Sync In
R
L
CONNECT ONLY WHEN 2 SLAVES ARE USED
12
11
10
9
1
2
3
4
5
6
Positive Input
Input Common
TR1
MSTR/INH2
Slave
Pos. Sense
SLAVE 1
INH1
Sense Return
Output Common
Positive Output
8
Sync Out
Sync In
7
1
2
3
4
5
6
12
11
10
9
Positive Input
Input Common
TR1
MSTR/INH2
Slave
Pos. Sense
SLAVE 2
INH1
Sense Return
Output Common
Positive Output
8
Sync Out
Sync In
7
FIGURE 2: PARALLEL CONNECTIONS
4
SMFLHP SERIES
100 WATT
DC/DC CONVERTERS
PIN OUT
Pin
1
Single Output
Positive Input
Input Common
Triple (TRI)
Dual Output
Angled corner indicates pin one.
Positive Input
Input Common
Triple (TRI)
Inhibit 1 (INH1)
Sync Out
2
3
4
Inhibit 1 (INH1)
Sync Out
1
2
3
4
5
6
12
11
10
9
5
6
Sync In
Sync In
TOP VIEW
SMFLHP
(Pin side, marked side)
7
Positive Output
Positive Output
8
Output Common Output Common
9
Sense Return
Positive Sense
Slave
Negative Output
No connection
Slave
8
10
11
12
7
Master / Inhibit 2 Master / Inhibit 2
(MSTR/INH2) (MSTR/INH2)
See Section B8, case U1 for dimensions.
Pin
6 should be connected to input common if
FIGURE 3: PIN OUT
external sync (Sync In) is not used.
Sense pins must be connected to their respective
outputs if not used.
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
Typical Performance Curves: 25°C Tc , 28 VDC Vin, 100% load, free run, unless otherwise specified.
90
85
80
75
70
65
60
90
85
90
85
80
19V
19V
19V
28V
28V
80
75
70
28V
40V
75
70
65
60
40V
40V
65
60
10
30
50
70
90 100
10
30
50
70
90
10
30
50
70
90
Output (Watts)
Output Power (Watts)
Output Power (Watts)
SMFLHP2805S & SMFLHP2805D
Efficiency
SMFLHP2815S & SMFLHP2815D
Efficiency
SMFLHP2812S & SMFLHP2812D
Efficiency
FIGURE 4
FIGURE 5
FIGURE 6
5
SMFLHP SERIES
100 WATT
DC/DC CONVERTERS
Typical Performance Curves: 25°C Tc , 28 VDC Vin, 100% load, free run, unless otherwise specified.
0.
20.
100% to 50%
Vout
40.
60.
80.
50% to 100%
Vin
100.
0.1
1
10
100
1ms/div
50 µs/div
19 to 40 V
Frequency (kHz)
SMFLHP2805S Step Load Response
SMFLHP Series Audio Rejection
SMFLHP2805S Step Line Response
FIGURE 7
FIGURE 8
FIGURE 9
50% to 100%
Vin
Vin
+Vout
Vout
100% to 50%
–Vout
1ms/div
1ms/div
No Load
50 µs/div
19 to 40 V
SMFLHP2815D Step Load Response
SMFLHP2805S Turn On Response
SMFLHP2815D Step Line Response
FIGURE 10
FIGURE 11
FIGURE 12
8
19
6
SMFLHP2805S & 5D
SMFLHP2805D
V
IN
+Vout
4
18
2
SMFLHP2812D
SMFLHP2815S
& 15D
0
– 2
– 4
SMFLHP2815D
17
–Vout
– 6
– 8
SMFLHP2812S & 12D
1ms/div
No Load
16
30
40
50
60
70
30 40 50 60 70 80 90 100
Output Load (%)
Output Power (Watts)
Low Line Dropout
SMFLHP2815D Turn On Response
+Pout 70 to 30 %, –Pout 30 to 70%
Cross Regulation
FIGURE 14
FIGURE 15
FIGURE 13
6
SMFLHP SERIES
100 WATT
DC/DC CONVERTERS
Angled corner indicates pin one
CASE U
TOP VIEW
1.505 max (38.23)
(PIN SIDE)
See Figure 17 for dimensions
3.005 (76.33) max.
Materials
Header Cold Rolled Steel/Nickel/Gold
Cover Kovar/Nickel
Pins
#52 alloy/Gold
compression glass seal
FIGURE 16: CASE U MAXIMUM DIMENSIONS
Seam Seal
Angled corner
indicates pin one.
0.23 (5.8) Lead Length
0.128 dia
(3.25).
1.505 (38.23) max.
1.380 (35.05)
0.040 dia
(1.02)
1.250 (31.75)
1.050 (26.67)
0.850 (21.59)
0.650 (16.51)
0.450 (11.43)
TOP VIEW CASE U
0.250 (6.35)
0.120 (3.05)
0.000
FIGURE 17: CASE U
CAUTION
Case dimensions in inches (mm)
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.
Tolerance 0.005 (0.13) for three decimal places, 0.01
(0.2) for two decimal places unless otherwise specified
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
SMFLHP SERIES
100 WATT
DC/DC CONVERTERS
TABLE 1: ELEMENT EVALUATION
ELEMENT EVALUATION
SPACE
PROTOTYPE
(O)
CLASS
H
CLASS
K
TEST PERFORMED
(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
8
SERIES
WATT
DC/DC CONVERTERS
TABLE 2: PRODUCT ENVIRONMENTAL SCREENING
ENVIRONMENTAL SCREENING
SPACE
PROTOTYPE
(O)
TEST PERFORMED
(END ITEM LEVEL)
CLASS
H
CLASS
K
Non-destruct bond pull
Method 2023
no
yes
yes
yes
no
no
yes
yes
yes
yes
yes
Pre-cap inspection
Method 2017, 2032
Temperature cycle
Method 1010, Cond. C
Constant acceleration
Method 2001, 3000 g
PIND Test
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.
9
SMFLHP SERIES
100 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.
TABLE 4:
REPORTS INCLUDED WITH PURCHASE OF PRODUCT HR, or KR
1. Radiation Susceptibility Analysis
2. Electrical/Thermal Stress Analysis and Derating Report
3. MTBF Report
4. FMEA Report
HO option: Reports 2, 3, and 4 are included with purchase.
OO option: Select reports available as separate purchases.
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
SMFLHP Rev C 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 © 1999-2002 Interpoint. All rights reserved.
10
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