Interpoint MHF2812D/883 Mhf single, dual and triple dc-dc converter Datasheet

Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 Volt input – 15 Watt
Features
Only 0.33 inches (8.38 mm) high in a
hermetically sealed case
models
• Operating temperature –55° to +125°C
Output Voltage (V)
• Input voltage 16 to 40 Volts
SINGLE
-- MHF+281R9S 20 to 32 Volts
- Triple output models 16 to 48 Volts
• Transient protection
- Single and dual: 50 V for 50 ms
- MHF+281R9S: 35 V for 50 ms
- Triple: 80 V for 120 ms
DUAL
TRIPLE
1.9
±5
+5 & ±12
3.3
±12
+5 & ±15
5
±15
5.2
5.3
• Fully isolated
12
• Fixed high frequency switching
15
• Inhibit and synchronization functions
28
• Indefinite short circuit protection
• Under voltage lockout
DESCRIPTION
MHF+ Series™ SingleS and DualS
Interpoint® MHF+ Series singles and duals are high frequency
dc-dc converters offering a wide input voltage range of 16 to 40
volts (MHF+281R9S, 20 to 32 volts) and up to 15 watts of output
power. Transient protection up to 50 volts for up to 50 ms. The
converters are offered with standard screening, “ES” screening,
or fully compliant to “883” MIL-PRF-38534 Class H screening
(see Table 13 on page 23). Standard Microcircuit Drawings
(SMD) are available (see Table 3 on page 7.
Converter Design
The MHF+ Series single and dual 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 optical link in the feedback control loop. See
Figure 1 and Figure 3 on page 4
For the MHF+ dual output models, good cross regulation is
maintained by tightly coupled output magnetics. Up to 90%
of the total output power (80% on 2805D) is available from
either output, providing the opposite output is simultaneously
carrying 10% of the total output power (20% on 2805D models).
Predictable current limit is accomplished by directly monitoring
the output load current and providing a constant current output
above the overload point.
Inhibit Function
MHF+ converters provide an inhibit terminal that can be used to
disable internal switching, resulting in no output current and very
low quiescent input current. The converter is inhibited when the
inhibit pin is pulled low (≤0.8 V = output disabled).
Crane Aerospace & Electronics
Power Solutions - Interpoint Products
10301 Willows Road NE, Redmond, WA, 98052
+1.425.882.3100 • [email protected]
www.craneae.com/interpoint
The unit is enabled when the pin, which is internally connected to
a pull-up resistor, is left unconnected or is connected to an opencollector gate. The open circuit output voltage associated with the
inhibit pin is 8.5 to 12 V. In the inhibit mode, a maximum of 5 mA
must be sunk from the inhibit pin. See Figure 6 on page 5
Synchronization
An external synchronization feature is included that allows the
user to adjust the nominally 550 kHz operating frequency to
any frequency within the range of 500 kHz to 600 kHz. This is
initiated by applying a signal input of the desired frequency to
pin 5. The capacitively coupled sync input will synchronize on a
differential signal of as low as 4 volts to as high as 5 V. For single
and dual output models, if the sync function is not used, connect
the terminal to input common.
Short Circuit Protection
MHF+ Series single and dual output converters provide short
circuit protection by restricting the output current to approximately
115% 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
Undervoltage lockout prevents the single and dual output
converters from operating below approximately 14 Volts input
voltage to keep system current levels smooth, especially during
initialization or re-start operations.
Packaging
MHF+ Series of converters are packaged in hermetically sealed
metal cases and can be purchased in a flanged or non-flanged
case. The flanged option provides increased heat dissipation and
also provides greater stability when mechanically secured.
Page 1 of 23
MHF+ Rev AB - 2014.10.02
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 Volt input – 15 Watt
MHF+ Series™ Triple DC-DC converters
MHF+ Series™ Triple dc-dc converters provide a wide input
voltage range of 16 to 48 volts delivering 15 watts of total output
power with output voltages of +5 and ±12 or +5 and ±15 volts.
The main output, +5 volts, will supply up to 7.5 watts and the
auxiliaries will supply up to 7.5 watts of combined power. Full
power operation at -55°C to +125°C plus the ability to withstand
transients of up to 80 V for up to 120 milliseconds make these
converters an ideal choice for your high reliability systems.
Converter Design
MHF+ Triple Series of dc-dc converters incorporate dual-phase,
phase-shifted technology with a continuous flyback topology.
This design eliminates a minimum load requirement on the main
output and eliminates cross regulation effects between the main
output voltage and auxiliary output voltages. See Figure 3 on
page 4.
The phase-shifted design offers reduced input and output ripple.
To meet MIL-STD-461 requirements use an EMI filter, see
Figure 4 on page 4. FMCE-0328 is the recommended filter.
Inhibit Function
MHF+ converters provide an inhibit terminal that can be used to
disable internal switching, resulting in no output current and very
low quiescent input current. The converter is inhibited when the
inhibit pin is pulled low (≤0.8 V = output disabled). The unit is
enabled when the inhibit pin, which is internally connected to a
pull-up resistor, is left unconnected or is connected to an opencollector gate. When inhibited, input current is reduced to 5 mA
or less and there is no generation of switching noise. The inhibit
terminal typically sinks 5 mA when the converter is inhibited. See
Figure 7 on page 5.
Soft Start Feature
The soft-start feature provides a controlled 25 milliseconds
maximum turn-on to minimize inrush current and reduce
overshoot at initial start-up or when inhibit is released.
Synchronization
To synchronize the converter’s switching frequency to a system
clock apply the clock signal to the sync terminal (pin 7). When
multiple converters are powered from a single power source,
asynchronous (free run) operation will result in lower peak
noise for common spectral peaks, but synchronous operation
will eliminate any possibility of interference frequencies in the
low audio band. Source impedance of the signal should be
less than 100 ohms and the transition time should be less than
100 nanoseconds. The capacitively coupled sync input will
synchronize on a differential signal of as low as 4 volts to as high
as 5 V. For triple output models, if the sync function is not used,
the terminal should be left open. See Figure 5 on page 4.
Short Circuit Protection
On the triple output models, internal current limiting circuitry
protects on all three outputs against short circuits. When output
power exceeds approximately 130% of maximum output power,
the output currents are limited. In addition, separate current
limiting circuitry protects each output individually resulting in
normal operation of either the main or the auxiliaries, whichever
is not in a shorted condition.
Undervoltage Lockout
Undervoltage lockout prevents the triple output models units from
operating below approximately 8.5 volts input voltage to keep
system current levels smooth, especially during initialization or
re-start operations.
Packaging
MHF+ Series of converters are packaged in hermetically sealed
metal cases and can be purchased in a flanged or non-flanged
case. The flanged option provides increased heat dissipation and
also provides greater stability when mechanically secured.
www.craneae.com/interpoint
Page 2 of 23
MHF+ Rev AB - 2014.10.02
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 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: MHF+ Single Output Block Diagram
Positive
Input
5 µH
Regulator
L2A
Positive
Output
2 µF
ID
Inhibit
PWM
Controller
IC
FET
Driver
Ref.
Limit
RS
Input
Common
RS
Output
Common
L2B
Negative
Output
Figure 2: MHF+ Dual Output Block Diagram
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Page 3 of 23
MHF+ Rev AB - 2014.10.02
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 Volt input – 15 Watt
0°
Positive
Input
+5 Output
FEEDBACK ISOLATOR
PWM CM
CONTROLLER
Output
Common
Input
Common
+ Aux.
Output
FEEDBACK ISOLATOR
Sync
PWM CM
CONTROLLER
180°
–Aux.
Output
Figure 3: MHF+ Triple Output Block Diagram
1
Positive Output
Positive Input
2
Positive Input
FMCE-0328
EMI FILTER
28V
5
Input Common
MHF+
Output Common 4
Case Ground
3
Input Common
Case Ground
Case*
Chassis Ground
*The case ground connection should be as low an impedance as possible to minimize EMI.
Direct contact of baseplate to chassis ground provides the lowest impedance.
Figure 4: EMI Filter Connection
9
28V
0.01 µF
7
5.1k
Positive Input
Sync In
1
Inhibit
8
Input Common
+5 Output 2
+ Aux. Output 4
Output Common 3
– Aux. Output 5
+ Aux.
Load
– Aux.
Load
If the sync terminal (pin 7) is not used, it must be left floating.
The ac coupling shown will prevent sync signal failure.
Figure 5: AC Coupling of Sync Signal, Triple Models
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Page 4 of 23
MHF+ Rev AB - 2014.10.02
+5
Load
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 Volt input – 15 Watt
POSITIVE INPUT
5 kΩ
INHIBIT
10 kΩ
1 kΩ
PRIMARY
BIAS
10 V
INPUT
COMMON
Figure 6: Inhibit Interface Singles and Duals
POSITIVE INPUT
10 kΩ
PRIMARY
BIAS
INHIBIT
10 V
INPUT
COMMON
Figure 7: Inhibit Interface Triples
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Page 5 of 23
MHF+ Rev AB - 2014.10.02
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 Volt input – 15 Watt
PIN OUT
Pin
Single Output
MHF+2828S
Dual Output
Triple Output
1
Inhibit
Inhibit
Inhibit
Inhibit
2
No Connection
Positive Output
Positive Output
Main (+5) Output
3
Output Common
(See note 1)
Output Common
Output Common
4
Positive Output
Output Common
Negative Output
Pos. Aux. Output
5
Sync In
Sync In
Sync In
Neg. Aux. Output
6
Case Ground
Case Ground
Case Ground
Case Ground
7
Input Common
Input Common
Input Common
Sync
8
Positive Input
Positive Input
Positive Input
Input Common
9
—
—
—
Positive Input
1. Pin 3 of MHF+2828S will provide 14 Vout referenced to output common (pin 4).
Table 1: Pin Out
PINS NOT IN USE
Inhibit: single, dual and triple, pin 1
Leave unconnected
MHF+2828S, pin 3
Leave unconnected
Sync: single and dual, pin 5
Connect to input common
Sync: triple, pin 7
Leave unconnected
Table 2: Pins not in Use
Dot on top of case
indicates pin one.
1
2
3
4
Squared corner and dot on top
of case indicate pin one.
1
5
7
3
4
5
BOTTOM VIEW
MHF+ Triple
BOTTOM VIEW
MHF+ SINGLE AND DUAL
8
2
9
6
Dotted line outlines flanged package option.
8
7
6
Dotted line outlines flanged package option.
See Figure 33 on page 18 and Figure 35 on page
20 for dimensions.
See Figure 34 on page 19 and Figure 36
on page 21 for dimensions.
Figure 8: MHF+ Single and Dual Pin Out
Figure 9: MHF+ Triple Pin Out
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Page 6 of 23
MHF+ Rev AB - 2014.10.02
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 Volt input – 15 Watt
model numbering key
MHF+ 28 12
Base Model
Input Voltage
Output Voltage
(R = decimal point, 3R3 = 3.3 Vout;
Main and aux. Vout for triple models)
D
SMD Numbers
F / 883
Number of Outputs
(S = single, D = dual, T = Triple)
Case Option
(Non-flanged case has no designator in
this position)
Screening
(Standard screening has no designator
in this position.)
Standard Microcircuit
Drawing (SMD)
MHF+ Similar Part
5962-0251001HXC
mhf+283r3s/883
5962-9213901HXC
MHF+2805S/883
5962-0325301HXC
mhf+285R2s/883
5962-9166401HXC
MHF+2812S/883
5962-9160101HXC
MHF+2815S/883
5962-9689801HXC
mhf+2828S/883
5962-9555901hxc
mhf+2805d/883
5962-9214401HXC
MHF+2812D/883
5962-9161401HXC
MHF+2815D/883
5962-9560101hxc
MHF+28512t/883
5962-9560201hxc
mhf+28515t/883
Flanged SMDs have the suffix HZC instead of HXC.
For exact specifications for an SMD product, refer to the
SMD drawing. SMDs can be downloaded from
www.landandmaritime.dla.mil/programs/smcr
Figure 10: Model Numbering Key
Table 3: SMD Cross Reference
To
Category
Options
Fill in for
Model #
model Number Options 1
determine the model number enter one option from each category in the form below.
Base Model and
Input Voltage
MHF+28
Output Voltage 2
Case Option 4
Screening 5
(non-flanged, leave blank)
Standard (leave blank)
Number of
Outputs 3
1R9, 3R3, 05, 5R2,
5R3, 12, 15, 28
S
05, 12, 15
D
512, 515
T
/ES
F (flanged)
/883 (Class H)
/
__________
MHF+28
Notes
1. See “Figure 10: Model Numbering Key” above for an example of a model number.
2. Output Voltage: An R indicates a decimal point. 1R9 is 1.9 volts out. The values of 1R9, 3R3, 5R2 and 5R3 are only available in single output models. The 512 and
515 triple output converters are +5 volt main and ±12 or ±15 volt auxiliaries.
3. Number of Outputs: S is a single output, D is a dual output, and T is a triple output
4. Case Options: For the standard, non-flanged, case leave the case option blank. See non-flanged cases Figure 33 on page 18 and Figure 34 on page 19. For the
flanged case use an F in the case option position. See flanged cases Figure 35 on page 20 and Figure 36 on page 21).
5. Screening: For standard screening leave the screening option blank. For other screening options, insert the desired screening level. For more information see
Table 12 on page 22 and Table 13 on page 23.
Table 4: Model Number Options
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Page 7 of 23
MHF+ Rev AB - 2014.10.02
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 Volt input – 15 Watt
Table 5: Operating Conditions, All Models : 25°C case, 28 Vin, 100% load, unless otherwise specified.
All Models
PARAMETER
CONDITIONS
LEAD SOLDERING TEMPERATURE 1
STORAGE TEMPERATURE
10 seconds max.
1
TYP
MAX
—
—
300
°C
°C
-65
—
+150
CASE OPERATING
FULL POWER
-55
—
+125
TEMPERATURE
ABSOLUTE 1
-55
—
+135
DERATING OUTPUT POWER/CURRENT 1
LINEARLY
1
ESD RATING Class 3B
MIL-PRF-38534, 3.9.5.8.2
pin to case except case pin
UnderVoltage Lockout
>8000
@ 500 VDC at 25°C
CURRENT LIMIT
% OF FULL LOAD
—
—
Singles and Duals
—
14
—
Triples
—
8.5
—
—
60
—
Singles and Duals
—
115
—
Triples
—
130
—
—
50
—
Singles and Duals
480
—
620
Triples
375
—
500
Singles and Duals
500
—
600
TRiples
400
—
600
DUTY CYCLE 1
40
—
60
ACTIVE LOW
—
—
0.8
ACTIVE HIGH 1
4.0
—
5.0
AUDIO REJECTION 1
CONVERSION FREQUENCY
FREE RUN -55°C TO +125°C
SYNCHRONIZATION 3
Megohms
V
pF
%
dB
kHz
INPUT FREQUENCY
REFERENCED TO
4
V
Leave unconnected
inhibit pin pulled low
—
INHIBIT PIN SOURCE CURRENT
1
—
REFERENCED TO
INHIBIT ACTIVE HIGH (OUTPUT ENABLED)
%
Connect to input common
If not used, TRiples
INHIBIT ACTIVE LOW (OUTPUT DISABLED)
kHz
INPUT COMMON
If not used, Singles and Duals
Do not apply a voltage to the inhibit pin.
V
100
INPUT TO OUTPUT CAPACITANCE 1
2
°C
From 100% at 125°C to 0% at 135°C
MIL-STD-883
Method 3015
ISOLATION: input to output or any
UNITS
MIN
—
0.8
V
—
5
mA
INPUT COMMON
INHIBIT PIN CONDITION
OPEN COLLECTOR OR
Do not apply a voltage to the inhibit pin. 4
UNCONNECTED
OPEN INHIBIT PIN VOLTAGE
1
Single and Dual
8.5
10
12
Triple
—
11
—
V
For mean time between failures (MTBF) contact Applications Engineering: [email protected] or +1.425.882.3100 option 7
Notes
1. Guaranteed by design and/or analysis. Not an in-line test.
2. Dual and triple outputs: The over-current limit will trigger when the sum of the currents from both dual outputs or both auxiliary outputs (triple)
reaches the maximum rated “total” current of both outputs. Typical values are stated in the table.
3. Triple models: Source impedance should be <100 ohms and the transition times should be <100 nanoseconds.
4. An external inhibit interface should be used to pull the inhibit low or leave it floating. The inhibit pin can be left unconnected if not used.
www.craneae.com/interpoint
Page 8 of 23
MHF+ Rev AB - 2014.10.02
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 Volt input – 15 Watt
Table 6: Electrical Characteristics -55°C to +125°C case, 28 Vin, 100% load, free run, unless otherwise specified.
single output models
PARAMETER
MHF+281R9S
CONDITIONS
OUTPUT VOLTAGE
OUTPUT CURRENT
OUTPUT POWER
OUTPUT RIPPLE
10 kHz - 2 MHz
LINE REGULATION
MHF+283R3S
MHF+2805S
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
1.84
1.90
1.96
3.20
3.30
3.40
4.85
5.00
5.15
V
VIN = 16 to 40 V
0
–
3.5
0
—
2.4
0
—
2.4
A
0
—
6.65
0
—
8
0
—
12
W
TC = 25°C
—
7
30
—
30
80
—
30
80
—
12
40
—
50
240
—
60
100
VIN = 16 to 40 V
TC = -55°C to +125°C
mV p-p
VIN = 16 to 40 V
—
1
40
–
5
100
—
5
50
mV
LOAD REGULATION 2
NO LOAD TO FULL
—
35
55
–
20
50
—
20
50
mV
INPUT VOLTAGE
CONTINUOUS
20
28
32
16
28
40
16
28
40
V
NO LOAD TO FULL
TRANSIENT 50 ms 1
—
—
35
—
—
50
—
—
50
V
INPUT CURRENT
NO LOAD
—
16
35
—
25
40
—
25
40
INHIBITED
—
2
7
—
5
12
—
5
12
10 kHz - 10 MHz
—
30
70
–
45
120
—
35
100
TC = 25°C
58
62
—
70
75
–
75
77
—
56
—
—
67
—
—
72
—
—
—
4
8
—
5
8
—
3.5
6
INPUT RIPPLE CURRENT
EFFICIENCY
LOAD FAULT 3
TC = -55°C to +125°C
POWER DISSIPATION
1
mA
mA p-p
%
W
SHORT CIRCUIT
RECOVERY
—
5
30
—
7.5
30
—
7.5
30
ms
STEP LOAD RESPONSE 4, 5
TRANSIENT
—
±75
±500
—
±150
±400
—
±150
±400
mV pk
50% - 100% - 50%
RECOVERY
—
500
2000
—
150
300
—
150
300
µs
STEP LINE RESPONSE 1, 4, 6, 7
TRANSIENT
—
±300
±600
—
±550
±800
—
±550
±800
mV pk
VIN = 16 - 40 - 16 V
RECOVERY
—
0.5
1.2
—
0.8
1.2
—
0.8
1.2
ms
START-UP
8
Capacitive Load 1, 9
DELAY
—
12
35
–
10
25
—
10
25
ms
OVERSHOOT 1
—
500
850
—
200
300
—
100
600
mV pk
TC = 25°C
—
—
100
–
–
300
–
–
300
µF
Notes
1. Guaranteed by qualification test and/or analysis. Not an in-line test.
2. For MHF+281R9, load regulation is tested from a 10 mA load to full load.
3.Indefinite short circuit protection not guaranteed above 125°C (case).
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 >10 µs.
6. Step transition time 100 µs ±20%
7. Step line is 20 - 32 - 20 volts for MHF+281R39S.
8. Measured on release from inhibit.
9. No effect on dc performance.
Page 9 of 23
MHF+ Rev AB - 2014.10.02
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 Volt input – 15 Watt
Table 7: Electrical Characteristics -55°C to +125°C case, 28 Vin, 100% load, free run, unless otherwise specified.
single output models
PARAMETER
MHF+285R2S
CONDITIONS
OUTPUT VOLTAGE
OUTPUT CURRENT
OUTPUT POWER
OUTPUT RIPPLE
10 kHz - 2 MHz
LINE REGULATION
MHF+285R3S
MHF+2812S
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
5.04
5.20
5.36
5.19
5.30
5.51
11.76
12.00
12.24
V
VIN = 16 to 40 V
0
—
2.4
0
—­
2.83
0
—
1.25
A
0
—
12.48
0
—
15
0
—
15
W
TC = 25°C
—
30
50
—
30
50
—
30
80
—
60
100
—
60
100
—
50
120
VIN = 16 to 40 V
TC = -55°C to +125°C
mV p-p
VIN = 16 to 40 V
—
5
50
—
5
50
—
5
50
mV
LOAD REGULATION
NO LOAD TO FULL
—
20
50
—
20
50
—
20
50
mV
INPUT VOLTAGE
CONTINUOUS
16
28
40
16
28
40
16
28
40
V
NO LOAD TO FULL
TRANSIENT 50 ms 1
—
—
50
—
—
50
—
—
50
V
INPUT CURRENT
NO LOAD
—
25
43
—
24
43
—
25
50
INHIBITED
—
5
12
—
5
12
—
5
12
10 kHz - 10 MHz
—
35
120
—
35
120
—
35
120
TC = 25°C
75
77
—
75
77
­—
78
79
—
72
—
—
72
—
—
74
—
—
—
3.5
6
—
3.5
6
—
3.5
6
INPUT RIPPLE CURRENT
EFFICIENCY
LOAD FAULT 2
TC = -55°C to +125°C
POWER DISSIPATION
1
mA
mA p-p
%
W
SHORT CIRCUIT
RECOVERY
—
7.5
30
—
7.5
30
—
7.5
30
ms
STEP LOAD RESPONSE 3, 4
TRANSIENT
—
±150
±400
—
±150
±400
—
±150
±500
mV pk
50% - 100% - 50%
RECOVERY
—
150
300
—
150
300
—
150
300
µs
STEP LINE RESPONSE 1, 3, 5
TRANSIENT
—
±550
±800
—
±550
±800
—
±550
±800
mV pk
VIN = 16 - 40 - 16 V
RECOVERY
—
0.8
1.2
—
0.8
1.2
—
0.8
1.2
ms
START-UP
6
Capacitive Load 1, 7
DELAY
—
10
25
—
10
25
—
10
25
ms
OVERSHOOT 1
—
100
600
—
100
600
—
200
1200
mV pk
TC = 25°C
—
—
300
—
—
300
—
—
100
µF
Notes
1. Guaranteed by qualification test and/or analysis. Not an in-line test.
2.Indefinite short circuit protection not guaranteed above 125°C case.
3.Recovery time is measured from application of the transient to the point at which
VOUT is within regulation.
www.craneae.com/interpoint
4. Step transition time >10 µs.
5. Step transition time 100 µs ±20%
6. Measured on release from inhibit.
7. No effect on dc performance.
Page 10 of 23
MHF+ Rev AB - 2014.10.02
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 Volt input – 15 Watt
Table 8: Electrical Characteristics -55°C to +125°C case, 28 Vin, 100% load, free run, unless otherwise specified.
single output models
MHF+2815S
CONDITIONS
MHF+2828S
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
14.70
15.00
15.30
27.44
28.00
28.56
VIN = 16 to 40 V
0
—­
1.00
0
—
0.536
A
0
—
15
0
—
15
W
TC = 25°C
—
30
80
—
60
120
—
50
120
—
100
180
—
5
50
—
50
150
mV
LOAD REGULATION
VIN = 16 to 40 V
NO LOAD TO FULL
—
20
50
—
50
150
mV
INPUT VOLTAGE
CONTINUOUS
16
28
40
16
28
40
V
—
—
50
—
—
50
V
NO LOAD
—
25
62
—
25
60
INHIBITED
—
5
12
—
5
12
PARAMETER
OUTPUT VOLTAGE
OUTPUT CURRENT
OUTPUT POWER
VIN = 16 to 40 V
OUTPUT RIPPLE
10 kHz - 2 MHz
TC = -55°C to +125°C
LINE REGULATION
NO LOAD TO FULL
TRANSIENT 50 ms
INPUT CURRENT
1
V
mV p-p
mA
INPUT RIPPLE CURRENT
10 kHz - 10 MHz
—
35
120
—
35
120
EFFICIENCY
TC = 25°C
78
80
­—
82
84
—
TC = -55°C to +125°C
74
—
—
78
—
—
POWER DISSIPATION
—
3.5
6
—
3.5
6
W
RECOVERY 1
—
7.5
30
—
7.5
30
ms
LOAD FAULT 2
SHORT CIRCUIT
mA p-p
%
STEP LOAD RESPONSE 3, 4
TRANSIENT
—
±200
±600
—
±600
±800
mV pk
50% - 100% - 50%
RECOVERY
—
150
300
—
200
400
µs
TRANSIENT
—
±550
±800
—
±1100
±1200
mV pk
RECOVERY
—
0.8
1.2
—
0.8
1.2
ms
DELAY
—
10
25
—
10
25
ms
—
200
1500
—
200
280
mV pk
—
—
100
—
—
100
µF
STEP LINE RESPONSE
VIN = 16 - 40 - 16 V
START-UP 6
1, 3, 5
OVERSHOOT
Capacitive Load 1, 7
1
TC = 25°C
Notes
1. Guaranteed by qualification test and/or analysis. Not an in-line test.
2.Indefinite short circuit protection not guaranteed above 125°C case.
3.Recovery time is measured from application of the transient to the
point at which VOUT is within regulation.
www.craneae.com/interpoint
4. Step transition time >10 µs.
5. Step transition time 100 µs ±20%
6. Measured on release from inhibit.
7. No effect on dc performance.
Page 11 of 23
MHF+ Rev AB - 2014.10.02
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 Volt input – 15 Watt
Table 9: Electrical Characteristics -55°C to +125°C case, 28 Vin, 100% load, free run, unless otherwise specified.
DUAL output models
MHF+2805D
MHF+2812D
MHF+2815D
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
4.82
5.00
5.18
11.70
12.00
12.30
14.63
15.00
15.38
EITHER OUTPUT
0
±1.2
1.921
0
±0.625
1.1251
0
±0.50
0.901
VIN = 16 to 40 V
TOTAL OUTPUT
—
—
2.4
—
—
1.25
—
—
1.0
OUTPUT POWER 2, 3
EITHER OUTPUT
0
±6
9.61
0
±7.5
13.51
0
±7.5
13.51
VIN = 16 to 40 V
TOTAL OUTPUT
—
—
12
—
—
15
—
—
15
TC = 25°C
—
30
80
—
30
80
—
30
60
—
60
80
—
60
120
—
50
120
+ VOUT
—
5
50
—
5
50
—
5
50
+ VOUT
- VOUT
OUTPUT CURRENT 2, 3
OUTPUT RIPPLE
UNITS
V
A
W
mV p-p
±VOUT, 10 kHz - 2 MHz
TC = -55°C to +125°C
VIN = 16 to 40 V
- VOUT
—
—
80
—
—
100
—
—
100
—
20
50
—
20
50
—
20
50
NL to Full, Balanced
- VOUT
—
—
100
—
—
100
—
—
100
—
—
375
—
—
720
—
—
900
mV
CONTINUOUS
16
28
40
16
28
40
16
28
40
V
V
LINE REGULATION
LOAD REGULATION
CROSS REGULATION 4
TC = 25°C
INPUT VOLTAGE
1
mV
mV
NO LOAD TO FULL
TRANSIENT 50 ms
—
—
50
—
—
50
—
—
50
INPUT CURRENT
NO LOAD
—
20
40
—
25
50
—
25
50
INHIBITED
—
6
12
—
5
12
—
5
12
10 kHz - 10 MHz
—
20
80
—
35
100
—
35
100
TC = 25°C
77
79
—
76
83
—
76
84
—
75
—
—
74
—
—
74
—
—
—
3
6
—
3
6
—
3
6
W
ms
INPUT RIPPLE CURRENT
EFFICIENCY
TC = -55°C to +125°C
LOAD FAULT 5
POWER DISSIPATION
1
mA
mA p-p
%
Short Circuit
RECOVERY
—
7.5
30
—
7.5
50
—
7.5
50
STEP LOAD RESPONSE 6, 7
TRANSIENT +Vout
—
±200
±600
—
±300
±700
—
±300
±700
—
±150
±600
—
±100
±700
—
±100
±700
RECOVERY
—
150
500
—
200
500
—
200
500
µs
50% - 100% - 50%
TRANSIENT
Balanced Loads
STEP LINE RESPONSE
1, 6, 8
-Vout
mV pk
TRANSIENT
—
±600
±800
—
±550
±750
—
±550
±750
mV pk
VIN = 16 - 40 - 16 V ±Vout
RECOVERY
—
0.8
1.2
—
0.8
1.2
—
0.8
1.2
ms
DELAY
—
12
20
—
12
25
—
12
25
ms
Vin = 40 V
OVERSHOOT 1
—
80
250
—
200
750
—
200
750
mV pk
TC = 25°C
—
—
47
—
—
10
—
—
10
µF
START-UP
9
Capacitive Load 1, 10, 11
Notes
1. Guaranteed by qualification test and/or analysis. Not an in-line test.
2.Up to 90% (80% 2805D) of the total output current/power is available from either
output providing the opposite output is carrying at least 10% (20% 2805D) of the
total output power.
3. The “total” specification is the maximum combined current/power of both outputs.
4.Effect on negative VOUT referenced to 50%/50% loads. 50% to 10% with the
opposite output held at 50% (applied to both outputs), see Figure 20 on page
16. Simultaneously 30%-70% 70%-30%.
5.Indefinite short circuit protection not guaranteed above 125°C (case).
www.craneae.com/interpoint
6.Recovery time is measured from application of the transient to point at
which VOUT is within regulation.
7. Step transition time >10 µs.
8. Step transition time 100 µs ±20%
9. Measured on release from inhibit.
10. Applies to each output.
11. No effect on dc performance. Page 12 of 23
MHF+ Rev AB - 2014.10.02
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 Volt input – 15 Watt
Table 10: Electrical Characteristics -55°C to +125°C case, 28 Vin, 100% load, free run, unless otherwise specified.
5 2 (main)
triple output model – MHF+28512T
PARAMETER
CONDITIONS
OUTPUT VOLTAGE
Vout
±12 (AUXiliaries)
MIN
TYP
MAX
MIN
4.85 2
5.00
5.15
either OUtput
—
—
1.5
Total
—
—
OUTPUT POWER 4
Either Output
—
Vin = 16 to 48 V
Total
10 kHz - 2 MHz
TC = 25°C
TC = -55°C to +125°C
OUTPUT CURRENT 3
Vin = 16 to 48 V
OUTPUT RIPPLE
LINE REGULATION
LOAD REGULATION
5
CROSS REGULATION
TC = 25°C
6
INPUT VOLTAGE
MAX
±11.52
±12.00
0
±0.313
±12.48
0.416 1
1.5
—
—
0.625
—
7.5
—
±3.75
51
—
—
7.5
—
—
7.5
—
20
60
—
±30
±90
—
—
90
—
­—
±180
Vin = 16 to 48 V
—
25
75
—
±120
±240
mV
NO LOAD TO FULL
—
22
75
—
±120
±240
mV
EFFECT ON NEGATIVE
AUXILIARY
—
—
—
—
—
750
mV
CONTINUOUS
16
28
48
—
—
—
V
V
1
NO LOAD TO FULL
TRANSIENT 120 ms
—
—
80
—
—
—
INPUT CURRENT
NO LOAD
—
30
45
—
—
—
INHIBITED
—
3
5
—
—
—
INPUT RIPPLE CURRENT 3
10 kHz - 10 MHz
—
20
50
—
—
—
EFFICIENCY
TC = 25°C
74
76
—
—
—
—
72
—
—
—
—
—
—
—
12
—
—
±12
LOAD FAULT 7, 8
UNITS
TYP
TC = -55°C to +125°C
POWER DISSIPATION
1
V
A
W
mV p-p
mA
mA p-p
%
W
SHORT CIRCUIT
RECOVERY
—
—
25
—
—
25
ms
STEP LOAD RESPONSE 9, 10
TRANSIENT
—
—
±850
—
—
±950
mV pk
RECOVERY
—
5
8
—
2
3
ms
STEP LINE RESPONSE 1, 9, 11
TRANSIENT
—
—
±800
—
—
±800
mV pk
VIN = 16 - 40 - 16 V
RECOVERY
—
—
5
—
—
5
ms
DELAY
NO LOAD AND FULL
—
10
25
—
10
±25
ms
OVERSHOOT 1
—
—
500
—
—
±500
mV pk
START-UP 12
Notes
1. Guaranteed by qualification test and/or analysis. Not an in-line test.
2. If running with external sync, at temperature extremes VOUT main may be
a minimum of 4.80 volts to a maximum of 5.20 volts.
3. The sum of the 12 volt auxiliary output currents may not exceed 625 mA.
4. The sum of the auxiliary output power may not exceed 7.5 watts. Up to 5
watts (approximately 66%) of the total auxiliary output power is available
from either output providing the opposite output is simultaneously carrying
2.5 watts (approximately 33%) of the total auxiliary power.
5.Load regulation for the +5 is specified at 0.0 to 1.5 A with the auxiliaries
both held at 3.75 W (313 mA). Load regulation for the auxiliaries is
specified as both auxiliaries from 0.0 to 3.75 W (313 mA) at the same time
with the +5 held at 1.5 A.
www.craneae.com/interpoint
6. Cross regulation only occurs between the two auxiliaries and is measured
on –aux. +5 is held constant at 1.0 A. Cross regulation is specified for two
conditions:
Negative aux.= 3.76 W; positive aux.= 0.37 W to 3.76 W.
Negative aux. = 0.37 W to 3.76 W; positive aux. = 3.76 W.
7. Load fault = < 0.100 Ω.
8. Indefinite short circuit protection not guaranteed above 125°C case.
9. Time to settle to within 1% of VOUT final value.
10. Step transition time > 10 µs.
11. Step transition time 100 µs ±20%.
12. Measured on release from inhibit.
Page 13 of 23
MHF+ Rev AB - 2014.10.02
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 Volt input – 15 Watt
Table 11: Electrical Characteristics -55°C to +125°C case, 28 Vin, 100% load, free run, unless otherwise specified.
5 2 (MAIN)
triple output model – MHF+28515T
PARAMETER
OUTPUT VOLTAGE
OUTPUT CURRENT
3
±15 (AUXILIARIES)
UNITS
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
Vout
4.85
5.00
5.15
14.40
15.00
15.60
either OUtput
—
—
1.5
0
±0.250
Total
—
—
1.5
—
—
0.500
OUTPUT POWER 4
Either Output
—
—
7.5
—
±3.75
51
Vin = 16 to 48 V
Total
—
—
—
—
—
7.5
Vin = 16 to 48 V
OUTPUT RIPPLE
TC = 25°C
10 kHz - 2 MHz
TC = -55°C to +125°C
LINE REGULATION
LOAD REGULATION 5
CROSS REGULATION
TC = 25°C
6
INPUT VOLTAGE
INPUT CURRENT
0.333
1
—
20
60
—
±30
±112
—
—
90
—
—
±225
mV p-p
—
25
75
—
±150
±300
mV
—
25
75
—
±150
±300
mV
EFFECT ON NEGATIVE
AUXILIARY
—
—
—
—
—
750
mV
CONTINUOUS
16
28
48
—
—
—
V
TRANSIENT 1 120 ms
—
—
80
—
—
—
V
—
30
45
—
—
—
—
3
5
—
—
—
INPUT RIPPLE CURRENT 3
10 kHz - 10 MHz
—
20
50
—
—
—
EFFICIENCY
TC = 25°C
STEP LOAD RESPONSE
W
Vin = 16 to 48 V
NO LOAD
TC = -55°C to +125°C
POWER DISSIPATION
SHORT CIRCUIT
9, 10
A
NO LOAD TO FULL
INHIBITED
LOAD FAULT 7, 8
V
74
76
—
—
—
—
72
—
—
—
—
—
—
—
12
—
—
±12
mA
mA p-p
%
W
RECOVERY 1
—
—
25
—
—
25
ms
TRANSIENT
—
—
±850
—
—
±950
mV pk
RECOVERY
—
5
8
—
2
3
ms
STEP LINE
RESPONSE 1, 9, 11
TRANSIENT
—
—
±800
—
—
±800
mV pk
VIN = 16 - 40 - 16 V
RECOVERY
—
—
5
—
—
5
ms
DELAY
NO LOAD AND FULL
—
10
25
—
10
25
ms
OVERSHOOT 1
—
—
500
—
—
±500
mV pk
START-UP 12
Notes
1. Guaranteed by qualification test and/or analysis. Not an in-line test.
2. If running with external sync, at temperature extremes VOUT main may be
a minimum of 4.80 volts to a maximum of 5.20 volts.
3. The sum of the 15 volt auxiliary output currents may not exceed 500 mA.
4. The sum of the auxiliary output power may not exceed 7.5 watts. Up to 5
watts (approximately 66%) of the total auxiliary output power is available
from either output providing the opposite output is simultaneously carrying
2.5 watts (approximately 33%) of the total auxiliary power.
5.Load regulation for the +5 is specified at 0.0 to 1.5 A with both auxiliaries
held at 3.75 W (250 mA). Load regulation for the auxiliary. is specified as
both auxiliaries from 0.0 to 3.75 W (250 mA) at the same time with the +5
held at 1.5 A.
www.craneae.com/interpoint
6. Cross regulation only occurs between the two auxiliaries and is measured
on –aux. +5 is held constant at 1.0 A. Cross regulation is specified for two
conditions:
Negative aux.= 3.76 W; positive aux.= 0.37 W to 3.76 W.
Negative aux. = 0.37 W to 3.76 W; positive aux. = 3.76 W.
7. Load fault = < 0.100 Ω.
8. Indefinite short circuit protection not guaranteed above 125°C case.
9. Time to settle to within 1% of VOUT final value.
10. Step transition time > 10 µs.
11. Step transition time 100 µs ±20%.
12. Measured on release from inhibit.
Page 14 of 23
MHF+ Rev AB - 2014.10.02
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 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.
0
–20
100% to 10%
100% to 50%
–30
–40
–50
–60
100 mV/div.
100 mV/div.
90
16V
80
50% to 100%
–70
EFFICIENCY (%)
ATTENUATION (dB)
–10
–80
–90
–100
0.1
1
10
FREQUENCY (kHz)
50 µs/div
50%
100%
100
MHF+ SERIES AUDIO REJECTION
MHF+2805S STEP LOAD RESPONSE
Figure 11
10% to 100%
70
40V
200 µs/div
60
10% 100%
28V
MHF+2805S STEP LOAD RESPONSE
50
Figure 12
Figure 13
40
2
4
6
8
10
12
14 15
OUTPUT POWER (Watts)
20 V/div.
500 mV/div.
MHF+2815D EFFICIENCY
20 V/div.
VOUT
1 V/div.
VIN
1 ms/div
16 V TO 40 V
VIN
2 ms/div
MHF+2805S STEP LINE RESPONSE
MHF+2805S TURN-ON INTO FULL LOAD
Figure 14
Figure 15
90
90
EFFICIENCY (%)
EFFICIENCY (%)
16 V
80
70
40 V
28 V
60
90
50
70
40 V
60
50
2
4
6
8
10
OUTPUT POWER (Watts)
MHF+2805S EFFICIENCY
Figure 16
www.craneae.com/interpoint
12
40
16 V
80
28 V
EFFICIENCY (%)
16 V
80
40
POUT = 12 W
VOUT
70
40 V
28 V
60
50
2
4
6
8
10
12
OUTPUT POWER (Watts)
14 15
MHF+2812S EFFICIENCY
Figure 17
Page 15 of 23
MHF+ Rev AB - 2014.10.02
40
2
4
6
8
10
12
14 15
OUTPUT POWER (Watts)
MHF+2815S EFFICIENCY
Figure 18
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 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.
10
5
2812D
2815D
0
2805D
8
6
100% to 50%
2812D
4
COND A
2
0
2815D
–2
–10
COND B
–4
–5
0
20
40
2812D
–6
2805D
–8
60
80
50% to 100%
2805D
–10
100
10
20
30
40
CROSS REGULATION
50 µs/div
50% 100%
50
OUTPUT LOAD (%)
COND. A: 50% LOAD +V; 50% to 10% –V
COND. B: 50% LOAD –V; 50% to 10% +V
POSITIVE OUTPUT LOAD (% OF TOTAL LOAD)
–VOUT WITH SHIFT IN LOAD BALANCE
MHF+2815D +VOUT STEP LOAD RESPONSE
MHF+2805D/MHF+2812D/MHF+2815D
CROSS REGULATION
Figure 19
Figure 20
Figure 21
PO = 7.5 W
50 µs/div
20% 100%
MHF+2815D +VOUT STEP LOAD RESPONSE
Figure 22
5 V/div.
20 V/div.
20% to 100%
+VOUT
VIN
20 V/div.
–VOUT
200 mV/div.
100 mV/div.
100% to 20%
MHF+2815D STEP LINE RESPONSE
Figure 23
VIN
MHF+2815D TURN-ON INTO FULL LOAD
Figure 24
90
90
16V
16V
16V
80
EFFICIENCY (%)
40V
28V
60
70
40V
60
50
50
40
40
2
4
6
8
10
OUTPUT POWER (Watts)
MHF+2805D EFFICIENCY
Figure 25
www.craneae.com/interpoint
12
EFFICIENCY (%)
80
80
EFFICIENCY (%)
+VOUT
2 ms/div
1 ms/div
16V TO 40V
90
70
PO = 7.5 W
100 mV/div.
–VOUT VOLTAGE CHANGE (%)
–V OUT VOLTAGE CHANGE (%)
10
28V
70
40V
60
28V
50
40
2
4
6
8
10
12
14 15
OUTPUT POWER (Watts)
MHF+2812D EFFICIENCY
Figure 26
Page 16 of 23
MHF+ Rev AB - 2014.10.02
2
4
6
8
10
12
14 15
OUTPUT POWER (Watts)
MHF+2815D EFFICIENCY
Figure 27
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 Volt input – 15 Watt
10 V/div.
200 mV/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.
5V
VIN
2 V/div.
500 mV/div.
Input ground
+15 V
–15 V
+5 V
+5 ground
5 ms/div.
16 TO 40 VIN,15 = 250 mA EACH, +5 = 1.5 A
5 ms/div.
MHF+28512T TURN ON INTO FULL LOAD
MAIN
MHF+ 28515T STEP LINE RESPONSE
MHF+28515T has a similar response
MHF+28512T has a similar response
Figure 29
10 V/div.
Figure 28
VIN
5 V/div.
+12 V
–12 V
5 ms/div.
MHF+28512T TURN ON INTO FULL LOAD
AUXILIARIES
MHF+28515T has a similar response
80
Figure 30
16 V
75
16 V
75
EFFICIENCY
EFFICIENCY
28 V
70
28 V
70
48 V
65
48 V
65
60
55
80
60
2
4
6
8
10
12
14
55
16
OUTPUT POWER (W)
4
6
8
10
12
OUTPUT POWER (W)
MHF+28512T EFFICIENCY
14
MHF+28515T EFFICIENCY
Figure 31
www.craneae.com/interpoint
2
Figure 32
Page 17 of 23
MHF+ Rev AB - 2014.10.02
16
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 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)
Case E1, Rev F, 2013.11.15
Please refer to the numerical dimensions for accuracy.
Figure 33: Case E1— Single and Dual Models
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Page 18 of 23
MHF+ Rev AB - 2014.10.02
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 Volt input – 15 Watt
BOTTOM VIEW CASE E2
Projection Weld
1
2
3
4
5
8
7
6
1.105 (28.07)
0.960 (24.38)
0.905 (22.99)
1.130 max. (28.70)
0.705 (17.91)
Squared corner and dot on top
of case indicate pin one.
0.030 dia.
(0.76)
9
0.160 (4.06)
1.460 max. (37.08)
0.505 (12.83)
0.205 (5.21)
0.000
0.25 (6.35)
0.000
0.330 max
(8.38)
0.000
Weight: 35 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)
Case E2, Rev F, 2013.11.15
Please refer to the numerical dimensions for accuracy.
Figure 34: Case E2 — Triple Models
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Page 19 of 23
MHF+ Rev AB - 2014.10.02
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 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)
Case G1, Rev G, 2014.09.11
Please refer to the numerical dimensions for accuracy.
Figure 35: Case G1 — Single and Dual Models
www.craneae.com/interpoint
Page 20 of 23
MHF+ Rev AB - 2014.10.02
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 Volt input – 15 Watt
BOTTOM VIEW CASE G2
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
2
3
4
2 x Dia 0.128 ±0.002
(3.25 ±0.05)
5
2 x R 0.130 (3.30)
8
7
6
1.105 (28.07)
9
0.160
(4.06)
0.905 (22.99)
0.560
(14.22)
0.705 (17.91)
0.030 dia.
(0.76)
1.590 (40.39)
(1.450 (36.83))
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: 35 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)
Case G2, Rev F, 2014.09.11
Please refer to the numerical dimensions for accuracy.
Figure 36: Case G2 — Triple Models
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Page 21 of 23
MHF+ Rev AB - 2014.10.02
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 Volt input – 15 Watt
Table is for reference only. See individual Series' datasheets for specific screening.
Standard, /eS (nOn-QMl) and /883 (claSS H, QMl)
Mil-prF-38534 eleMent eValuatiOn
cOMpOnent-leVel teSt perFOrMed
nOn-QMl 1
QMl
Standard and /eS
claSS H
/883
M/S 2
M/S 2
p3
n
n
n
Visual
n
n
Internal Visual
n
Final electrical
n
n
Wire Bond evaluation
n
n
element electrical
notes
1. Standard and /eS 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 element evaluation. not applicable to standard and /eS
element evaluation.
Table 12: Element Evaluation
table 5: eleMent evaluation–high reliability stanDarD, /es anD /883 (Class h)
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Page 22 of 23
MHF+ Rev AB - 2014.10.02
Crane Aerospace & Electronics Power Solutions
MHF+ Single, Dual and Triple DC-DC Converters
28 Volt input – 15 Watt
Table is for reference only. See individual Series' datasheets for specific screening.
Standard, /eS (nOn-QMl) and /883 (claSS H, QMl)
Mil-prF-38534 enVirOnMental Screening
nOn-QMl 1
teSt perFOrMed
Pre-cap Inspection, method 2017, 2032
QMl 2
Standard
/eS
claSS H
/883
n
n
n
Temperature Cycle (10 times)
Method 1010, Cond. C, -65°C to +150°C, ambient
n
Method 1010, Cond. B, -55°C to +125°C, ambient
n
Constant acceleration
Method 2001, 3000 g
n
Method 2001, 500 g
n
n3
PIND, Test method 2020, Cond. a
n3
burn-in method 1015, +125°C case, typical 4
96 hours
n
160 hours
n
Final Electrical Test, mIl-PRF-38534, group a,
Subgroups 1 through 6, -55°C, +25°C, +125°C case
Subgroups 1 and 4, +25°C case
n
n
n
Hermeticity Test
gross leak, Method 1014, Cond. C
n
n
Fine leak, Method 1014, Cond. a
n
n
n
n
gross leak, dip
n
Final visual inspection, method 2009
n
Test methods are referenced to Mil-STd-883 as determined by Mil-PrF-38534.
notes
1. Standard and /eS, non-QMl products, may not meet all of the requirements of MIl-pRF-38534.
2. All processes are QMl qualified and performed by certified operators.
3. not required by dla but performed to assure product quality.
4. Burn-in temperature designed to bring the case temperature to +125°C minimum. Burn-in is a powered test.
Table 13:–h
Environmental
Screening
table 6: environMental sCreening
igh reliability
stanDarD, /es anD /883 (Class h)
MHF+ Single, Dual and Triple. MHF+ Rev AB - 2014.10.02 This revision supersedes all previous releases. All technical information is believed to
be 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. MHF+ Series is a trademark of Crane Electronics, Inc.
Copyright © 1999 - 2014 Crane Electronics, Inc. All rights reserved. www.craneae.com/interpoint.
Page 23 of 23