M3G5003R3DCKC [INFINEON]
HYBRID - HIGH RELIABILITY RADIATION HARDENED DC-DC CONVERTER;
| 型号： | M3G5003R3DCKC |
| 厂家： | 
Infineon |
| 描述： | HYBRID - HIGH RELIABILITY RADIATION HARDENED DC-DC CONVERTER DC-DC转换器 |
| 文件： | 总13页 (文件大小：182K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PD-94558N
M3G-SERIES
50V Input, Single/Dual Output
HYBRID - HIGH RELIABILITY
RADIATION HARDENED
DC-DC CONVERTER
Description
The M3G-Series of DC-DC converters are radiation
hardened, high reliability converters designed for
extended operation in hostile environments. Their small
size and low weight make them ideal for applications
such as geostationary earth orbit satellites and deep
space probes. They exhibit a high tolerance to total
ionizing dose, single event effects and environmental
stresses such as temperature extremes, mechanical
shock, and vibration.
M3G
Features
n Total Dose > 200 KRad(Si),
typically usable to > 300 KRad(Si)
n SEE Hardened up to 82 MeV.cm2/mg
n Low Weight, < 110 grams
n Low Input & Output Noise
n Magnetically Coupled Feedback
The converters incorporate a fixed frequency single
ended forward topology with magnetic feedback and n 38V to 60V DC Input Range
an internal EMI filter that utilizes multilayer ceramic n Up to 40W Output Power
capacitors that are subjected to extensive lot screening n Single and Dual Output Models Include
for optimum reliability. By using two stage filtering
these converters produce low input and output noise.
External inhibit and synchronization input and output
allow these converters to be easily incorporated into
larger power systems. They are enclosed in a hermetic
3" x 2" x 0.475" package constructed of an Aluminum-
Silicon-Carbide (AlSiC) base and an Alloy 48 ring frame
and they weigh less than 110 grams. The package
utilizes rugged ceramic feed-through copper core pins
and is sealed using parallel seam welding.
3.3, 5, 12, 15, ±5, ±12 and ±15V
n High Efficiency - to 82%
n -55°C to +125°C Operating Temperature Range
n 100MΩ @ 500VDC Isolation
n Under-Voltage Lockout
n Short Circuit and Overload Protection
n Output Over Voltage Limiter
n Remote Sense on Single Output Models
n Adjustable Output Voltage for Duals
n Synchronization Input and Output
n External Inhibit
n > 5,000,000 Hour MTBF
Manufactured in a facility fully qualified to MIL-PRF-
38534, these converters are fabricated utilizing a DLA
Land and Maritime qualified processes. For available
screening options, refer to device screening table in the
data sheet.
Applications
n
n
n
Geostationary Earth Orbit Satellites (GEO)
Deep Space Satellites / Probes
Strategic Weapons and Communication
Systems
Non-flight versions of the M3G-Series converters are
available for system development purposes. Variations
in electrical specifications and screening to meet custom
requirements can be accommodated.
www.irf.com
1
09/12/12
M3G-SERIES
(50V Input, Single/Dual Output)
Circuit Description
An external inhibit port is provided to control converter
operation. The nominal threshold relative to the
input return (pin 2) is 1.4V. If 2.0 volts or greater are
applied to the Inhibit pin (pin 3) then the converter
will operate normally. A voltage of 0.8V or less will
cause the converter to shut-down. The pin may be
left open for normal operation and has a nominal
open circuit voltage of 4.0V.
The M3G-Series converters utilize a single-ended
forward topology with resonant reset. The nominal
switching frequency is 500kHz. Electrical isolation
and tight output regulation are achieved through the
use of a magnetically coupled feedback. Voltage
feed-forward with duty factor limiting provides high
line rejection and protection against output over
voltage in the event of an internal control loop failure.
This mechanism limits the maximum output voltage
to approximately 20% over the nominal regardless of
the line voltage.
Synchronization input and output allow multiple
converters to operate at a common switching
frequency. Converters can be synchronized to one
another or to an externally provided clock. This can
be used to eliminate beat frequency noise or to avoid
creating noise at certain frequencies for sensitive
systems.
An internal EMI filter reduces the conducted
emissions to less than 5mA rms on the input power
leads. A two-stage output filter reduces the typical
output ripple to less than 20mV peak-to-peak.
Remote sense is provided on the single output
models to compensate for voltage drops in the
interconnects between the converter and the load.
The output voltage of dual output models can be
adjusted by a single external resistor.
Output current is limited under any load fault condition
to approximately 125% of rated. An overload
condition causes the converter output to behave like
a constant current source with the output voltage
dropping below nominal. The converter will resume
normal operation when the load current is reduced
below the current limit point. This protects the
converter from both overload and short circuit
conditions. The current limit point exhibits a slightly
negative temperature coefficient to reduce the
possibility of thermal runaway.
Design Methodology
The M3G-Series was developed using a proven
conservative design methodology which includes
selecting radiation tolerant and established reliability
components and fully derating to the requirements
of MIL-STD-975 and MIL-STD-1547 except for the
CDR type ceramic capacitors, a capacitor with 50V
rating is used for in-circuit voltage stress of less than
10V. Careful sizing of decoupling capacitors and
current limiting resistors minimizes the possibility of
photo-current burn-out. Heavy derating of the
radiation hardened power MOSFET virtually
An under-voltage lockout circuit prohibits the
converter from operating when the line voltage is too
low to maintain the output voltage. The converter will
not start until the line voltage rises to approximately
36 volts and will shut down when the input voltage
drops below 34 volts. The two volts of hysteresis
reduces the possibility of line noise interfering with
the converter’s start-up and shut down.
eliminates the possibility of SEGR and SEB.
A
magnetic feedback circuit is utilized instead of opto-
couplers to minimize temperature, radiation and
aging sensitivity. PSPICE and RadSPICE were used
extensively to predict and optimize circuit
performance for both beginning and end-of-life.
Thorough design analyses include Radiation
Susceptibility (TREE ), Worst Case, Stress, Thermal,
Failure Modes and Effects (FMEA) and Reliability
(MTBF).
2
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M3G-SERIES
(50V Input, Single/Dual Output)
Specifications
Absolute Maximum Ratings
Recommended Operating Conditions
Input voltage range
Output power
-0.5Vdc to +80Vdc
Input voltage range
+38Vdc to +60Vdc
0 to Max. Rated
-55°C to +125°C
Internally limited
300°C for 10 seconds
-55°C to +135°C
-55°C to +135°C
Output power
Operating case temperature 1
Lead temperature
Operating temperature
Storage temperature
1For operation at +125°C see table note 13
Electrical Performance Characteristics
Conditions
Limits
°
≤
≤
°
-55 C TC +85 C
Group A
Subgroup
V
IN = 50V DC ± 5%, CL = 0
Parameter
Input Voltage
Unit
unless otherwise specified
Min
38
Nom
50
Max
60
Output Voltage ( Vout )
M3G5003R3S
1
1
1
1
1
1
1
IOUT = 100% rated load
Note 4
3.28
4.98
11.95
14.94
±4.98
±11.95
±14.94
3.30
5.00
12.00
15.00
±5.00
±12.00
±15.00
3.32
5.02
12.05
15.06
±5.02
±12.05
±15.06
M3G5005S
M3G5012S
M3G5015S
M3G5005D
M3G5012D
M3G5015D
IOUT = 100% rated load
Note 4
M3G5003R3S
M3G5005S
M3G5012S
M3G5015S
M3G5005D
M3G5012D
M3G5015D
2,3
2,3
2,3
2,3
2,3
2,3
2,3
3.24
4.93
3.36
5.07
V
11.84
14.80
±4.93
±11.84
±14.80
12.16
15.20
±5.07
±12.16
±15.20
Output power ( POUT
)
M3G5003R3S
1,2,3
1,2,3
V
V
IN = 38, 50, 60 Volts, Note 2
IN = 38, 50, 60 Volts, Note 2
0
0
30
40
All Others
W
A
Output current ( IOUT
)
M3G5003R3S
M3G5005S
M3G5012S
M3G5015S
M3G5005D
M3G5012D
M3G5015D
0
0
0
0
0
0
0
9.1
8.0
3.34
2.67
6.4
2.67
2.14
Either Output, Note 3
Either Output, Note 3
Either Output, Note 3
Line regulation ( VRLINE
)
1,2,3
1,2,3
VIN = 38, 50, 60 Volts
OUT = 0, 50%, 100% rated, Note 4
I
-10
10
mV
%
Load regulation ( VRLOAD
)
IOUT = 0, 50%, 100% rated, Note 4
VIN = 38, 50, 60 Volts
-0.5
0.5
Cross regulation ( VRCROSS
)
Duals only, Note 5
IN = 38, 50, 60 Volts
M3G5005D
M3G5012D
M3G5015D
1,2,3
V
-5.0
-3.0
-3.0
5.0
3.0
3.0
%
For Notes to Electrical Performance Characterstics Table, refer to page 5
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3
M3G-SERIES
(50V Input, Single/Dual Output)
Electrical Performance Characteristics ( continued )
Conditions
-55°C ≤ TC ≤ +85°C
IN = 50V DC ± 5%, CL = 0
Limits
Nom
Group A
V
Parameter
Subgroup
Unit
mA
unless otherwise specified
Min
Max
Input current ( IIN
)
M3G5003R3S
M3G5005S
M3G5012S
M3G5015S
M3G5005D
M3G5012D
M3G5015D
1,2,3
I
OUT = 0, Pin 3 open
30
30
30
30
30
30
30
80
80
50
80
50
80
80
5.0
Pin 3 shorted to pin 2
2.0
Output ripple ( VRIP
)
M3G5003R3S
M3G5005S
M3G5012S
M3G5015S
M3G5005D
M3G5012D
M3G5015D
1,2,3
V
IN = 38, 50, 60 Volts
15
20
25
25
20
30
30
35
50
60
80
50
60
60
I
OUT = 100% rated load
Notes 4, 6
mV p-p
Input Ripple Current
Switching frequency ( FS
Efficiency ( EFF
1,2,3
1,2,3
I
OUT = 100% rated load
2.0
5.0
mA rms
KHz
)
Sync. Input (Pin 4) open
450
500
550
)
M3G5003R3S
M3G5005S
M3G5012S
M3G5015S
M3G5005D
M3G5012D
M3G5015D
1,2,3
I
OUT = 100% rated load
Note 4
68
72
78
75
77
76
72
75
81
82
83
81
82
83
%
V
Inhibit Input
open circuit voltage
drive current ( sink )
voltage range
3.0
5.0
100
50
Note 1
µ
A
-0.5
V
Synchronization Input
frequency range
KHz
V
V
V/µs
%
450
4.0
-0.5
40
600
10
0.5
pulse high level
pulse low level
pulse transition time
pulse duty cycle
Ext. Clock on Sync. Input (Pin 4)
Note 1
20
80
Current Limit Point
Expressed as a percentage
of full rated load current
1,2,3
1,2,3
V
out = 90% of Nominal, Note 4
135
20
%
W
Power dissipation, load fault (PD)
Output response to
Short Circuit, Overload, Note 8
step load changes (VTLD
)
4,5,6
4,5,6
Half Load to/from Full Load, Notes 4,9
-300
-300
300
200
300
200
mV pk
Recovery time,
Half Load to/from Full Load, Note
4,9,10
µ
s
step load changes (TTLD
Output response to
)
50
50
40V to/from 60V
mV pk
step line changes (VTLN
)
I
OUT = 100% rated load, Notes 1, 4,11
Recovery time,
40V to/from 60V
OUT = 100% rated load, Notes1, 4,10,11
step line changes (TTLN
)
I
µs
For Notes to Electrical Performance Characterstics Table, refer to page 5
4
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M3G-SERIES
(50V Input, Single/Dual Output)
Electrical Performance Characteristics ( continued )
Conditions
-55°C ≤ TC ≤ +85°C
VIN = 50V DC ±5%, CL = 0
Unless otherwise specified
Limits
Nom
Group A
Subgroup
Unit
Parameter
Min
Max
Capacitive Load (CL)
M3G5003R3S
1
IOUT = 100% rated load
No effect on DC performance
Notes 1, 4, 7
2200
1000
180
120
500
90
M3G5005S
M3G5012S
M3G5015S
M3G5005D
M3G5012D
M3G5015D
µF
Each output on duals
60
Turn-on Response
Overshoot (VOS
Turn-on Delay (TDLY
)
)
No Load, Full Load
Notes 4,12
10
5.0
%
ms
4,5,6
1
1.0
40
Line Rejection
IOUT = 100% rated load
60
dB
DC to 50KHz, Notes 1, 4
Isolation
1
Input to Output or Any Pin to Case
except pin 6, test @ 500VDC
100
MΩ
Device Weight
MTBF
95
g
MIL-HDBK-217F2, SF, 35°C
5 x 106
Hrs
Notes: Electrical Performance Characteristics
1. Parameter is tested as part of design characterization or after design changes. Thereafter, parameter
shall be guaranteed to the limits specified.
2. Parameter verified during line and load regulation tests.
3. Output load current must be distributed such that at least 20% of the total load current is being provided
by one of the outputs.
4. Load current split equally between outputs on dual output models.
5. Cross regulation is measured with 20% rated load on output under test while changing the load on the
other output from 20% to 80% of rated.
6. Guaranteed for a D.C. to 20MHz bandwidth. Tested using a 20KHz to 10MHz bandwidth.
7. Capacitive load may be any value from 0 to the maximum limit without compromising dc performance. A
capacitive load in excess of the maximum limit may interfere with the proper operation of the converter’s
overload protection, causing erratic behavior during turn-on.
8. Overload power dissipation is defined as the device power dissipation with the load set such that VOUT
=
90% of nominal.
9. Load step transition time ³ 10 µs.
10. Recovery time is measured from the initiation of the transient to where VOUT has returned to within ±1% of
its steady state value.
11. Line step transition time ³ 100 µs.
12. Turn-on delay time from either a step application of input power or a logic low to a logic high transition on
the inhibit pin (pin 3) to the point where VOUT = 90% of nominal.
13. Although operation at temperatures between +85°C and +125°C is guaranteed, no parametric limits are
specified.
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5
M3G-SERIES
(50V Input, Single/Dual Output)
Radiation Performance Characteristics
Test Inspection
Method
Min
Typ
Unit
MIL-PRF-883, Method 1019
Total Ionizing Dose (Gamma)
Operating bias applied during exposure,
Full Rated Load, V = 50V
200
300
Krads(Si)
IN
Dose Rate (Gamma Dot)
Temporary Saturation
Survival
MIL-STD-883, Method 1023
Operating bias applied during exposure,
1E8
4E10
8E12
Rads(Si)/sec
Neutrons/cm2
Full Rated Load, V = 50V
IN
1E11
1E13
Neutron Fluence
MIL-STD-883, Method 1017
Heavy Ions (LET)
Single Event Effects
Operating bias applied during exposure,
2
Full Rated Load, V = 50V
SEU, SEL, SEGR, SEB
82
IN
MeV cm /mg
Test lab: Brookhaven National Laboratory,
Tandem Van de Graaff Generator
International Rectifier currently does not have a DLA Land and Maritime certified Radiation Hardness
Assurance Program.
6
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M3G-SERIES
(50V Input, Single/Dual Output)
Figure 1. Block Diagram - Single Output
EMI
FILTER
Vin
1
13
12
+OUTPUT
+10.5V
RETURN
UNDER VOLTAGE
LOCKOUT
& INHIBIT
BIAS
SUPPLY
INHIBIT
3
+5V
SHORT CIRCUIT
&
OVERLOAD
LEVEL
TRANSLATOR
& FET DRIVE
RETURN
2
10
9
+SENSE
-SENSE
+
-
+
RS
+5V
+5V
EA
-
SYNC.
INPUT
4
5
RAMP
+
GENERATOR
SAMPLE
&
HOLD
OSCILLATOR
PWM
-
SYNC.
OUTPUT
CASE
GROUND
6
FEEDBACK
TRIGGER
Figure 2. Block Diagram - Dual Output
EMI
FILTER
Vin
1
13
+OUTPUT
RETURN
-OUTPUT
12
11
+10.5V
UNDER VOLTAGE
LOCKOUT
& INHIBIT
BIAS
SUPPLY
INHIBIT
3
+5V
SHORT CIRCUIT
&
OVERLOAD
LEVEL
TRANSLATOR
& FET DRIVE
RETURN
2
+
+5V
+5V
8
ADJUST
-
EA
-
+
SYNC.
INPUT
4
5
RAMP
+
GENERATOR
SAMPLE
&
HOLD
OSCILLATOR
PWM
-
SYNC.
OUTPUT
CASE
GROUND
6
FEEDBACK
TRIGGER
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7
M3G-SERIES
(50V Input, Single/Dual Output)
Application Notes:
A) Attachment of the Converter
The following procedure is recommended for mounting the converter for optimum cooling and to circumvent
any potential damage to the converter.
Ensure that flatness of the plate where M3G converter to be mounted is no greater than 0.003” per linear inch.
It is recommended that a thermally conductive gasket is used to promote the thermal transfer and to fill any
voids existing between the two surfaces. IR recommends Sil-Pad 2000 with the thickness of 0.010". The
shape of the gasket should match the footprint of the converter including the mounting flanges. The gasket
is available from IR. The M3G-series converter requires either M3 or 4-40 size screws for attachment
purposes.
The procedure for mounting the converter is as follows:
1. Check all mounting surfaces and remove foreign material, burrs, if any or anything that may
interfere with the attachment of the converter.
2. Place the gasket on the surface reserved for the converter and line it up with the mounting holes.
3. Place the converter on the gasket and line both up with mounting holes.
4. Install screws using appropriate washers and tighten by hand (~ 4 in·oz) in the sequence shown below.
5. Tighten the screws with an appropriate torque driver. Torque the screws up to 6 in·lb in the sequence
shown above.
8
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M3G-SERIES
(50V Input, Single/Dual Output)
B) Output Voltage Adjustment.
Single Output:
Adjustment of the output voltage requires the +Sense pin be connected in one of two ways as shown in
Figures 3 and 4 below. Use the equations and circuit configurations provided to calculate the required
resistance ( RADJ ) for the applicable voltage adjust range. The output adjustment is limited to 0 to +10%
range for reliable operation.
Fig 3. Configuration for Adjusting Single Output Voltage from +0.25V to +10%
+Out 13
Out
12
Return
M3G
(single output)
Radj
+Sense 10
-Sense
9
Fig 4. Configuration for Adjusting Single Output Voltage from 0 to +0.25V
+Out 13
Out
12
Return
M3G
Radj
(single output)
+Sense 10
-Sense
9
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9
M3G-SERIES
(50V Input, Single/Dual Output)
For M3GXX03R3S:
Using the configuration of Fig 8 and where RADJ is in Ohms and 3.513 < VOUT < 3.630
495
RADJ
=
VOUT −3.513
Using the configuration of Fig 9 and where RADJ is in Ohms and 3.300 < VOUT < 3.513
(
VOUT −3.300
)
RADJ =150
(3.513−VOUT
)
For M3GXX05S:
Using the configuration of Fig 8 and where RADJ is in Ohms and 5.250 < VOUT < 5.500
750
RADJ
=
VOUT − 5.25
Using the configuration of Fig 9 and where RADJ is in Ohms and 5.500 < VOUT < 5.250
(
VOUT − 5.000
)
)
RADJ = 150
(5.250 − VOUT
For M3GXX12S:
Using the configuration of Fig 8 and where RADJ is in Ohms and 12.312 < VOUT < 13.200
1800
RADJ
=
VOUT −12.312
Using the configuration of Fig 9 and where RADJ is in Ohms and 12.000 < VOUT < 12.312
(
VOUT −12.000
)
RADJ =150
(12.312 −VOUT
)
For M3GXX15S:
Using the configuration of Fig 8 and where RADJ is in Ohms and 15.315 < VOUT < 16.500
2250
RADJ
=
VOUT −15.315
Using the configuration of Fig 9 and where RADJ is in Ohms and 15.000 < VOUT < 15.315
(
VOUT −15.000
)
RADJ =150
(15.315−VOUT
)
10
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M3G-SERIES
(50V Input, Single/Dual Output)
Dual Output:
The dual output models have an Adjust pin which can be connected through a resistor ( RADJ ) to either output.
This allows the outputs to be reliably adjusted by approximately +10% to -25% of the nominal output voltage.
Refer to Figure 5 and use equations provided to calculate the required resistance ( RADJ ).
Fig 5. Configuration for Adjusting Dual Output Voltage
Note 1
+Out 13
Out
Return
Notes:
12
1. For Vout < Vnom
2. For Vout > Vnom
M3G
(Dual Output)
Note 2
-Out
11
8
Radj
Adjust
For all Dual Output Models, to adjust the output voltage higher:
3.48
(
1.64VNOM −1
)
RADJ
=
− 51
VOUT −VNOM
where: RADJ is in KOhms
RADJ is connected to -Out pin and VNOM < VOUT <1.1VNOM (Fig. 5, Note 2)
VNOM is the nominal output voltage with the Adjust pin left open
VOUT is the desired output voltage
For all Dual Output Models, to adjust the output voltage lower:
3.48
(1.64VNOM −1)(1.64VOUT −1)
− 51
RADJ
=
VNOM −VOUT
where:RADJ is in KOhms
RADJ is connected to +Out pin and 0.75VNOM < VOUT < VNOM (Fig. 5, Note 1)
VNOM is the nominal output voltage with the Adjust pin left open
VOUT is the desired output voltage
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11
M3G-SERIES
(50V Input, Single/Dual Output)
Mechanical Diagram
3.055 MAX.
0.080
Max.
0.500
2.00
R0.0625
4 places
0.30
0.50
0.20
13
12
11
10
9
1
2
0.200 Typ.
Non-
cum.
2.055
MAX.
1.400
Ref.
0.60
2.30
2.500
3
4
5
8
7
6
Pin
Ø0.040
0.45
1.10
0.260
FLANGE DETAIL
3.50
Ref.
0.25
0.25
0.14
0.475
MAX.
0.40
Tolerance : .XX
±0.01
.XXX ±0.005
Pin Designation (Single/Dual)
Pin #
Designation
Pin #
Designation
1
2
3
4
5
6
7
+ Input
Input Return
Inhibit
8
NC / Adjust
- Sense / NC
+ Sense / NC
NC / - Output
Output Return
+ Output
9
10
11
12
13
Sync. Input
Sync. Output
Case Ground
NC
12
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M3G-SERIES
(50V Input, Single/Dual Output)
Device Screening
Requirement
MIL-STD-883 Method
No Suffix
CK
EM
Temperature Range
Element Evaluation
Non-Destructive Bond Pull
Internal Visual
-55°C to +85°C
Class K
-55°C to +85°C
Class K
Yes
-55°C to +85°C
MIL-PRF-38534
2023
N/A
N/A
Yes
2017
Yes
Yes
Temperature Cycle
Constant Acceleration
PIND
1010
Cond C
Cond C
3000 Gs
Cond A
Cond C
3000 Gs
N/A
2001, Y1 Axis
2020
3000 Gs
Cond A
320 hrs @ 125°C
( 2 x 160 hrs )
-55°C, +25°C,
+85°C
320 hrs @ 125°C 48 hrs @ 125°C
( 2 x 160 hrs )
Burn-In
1015
Final Electrical
( Group A )
MIL-PRF-38534
& Specification
MIL-PRF-38534
1014
-55°C, +25°C,
+85°C
2%
-55°C, +25°C,
+85°C
PDA
2%
N/A
Seal, Fine and Gross
Radiographic
External Visual
Cond A, C
Yes
Cond A, C
Yes
Cond A
N/A
2012
2009
Yes
Yes
Notes:
Best commercial practice.
CK is a DLA Land and Maritime (formerly DSCC) part marking used to designate a Class K compliant hybrid.
The CK marking does not indicate the hybrid is radiation certified.
No Suffix is a radiation rated device but not available as a DLA Land and Maritime qualified SMD per MIL-PRF-38534.
International Rectifier currently does not have a DLA Land and Maritime certified Radiation Hardness Assurance Program.
Part Numbering
M3G 50 05 S /XX X
Lead Finish for CK only
Model
C = Gold Plated
Nominal Input
Voltage
A = Solder Dipped
Blank for No Suffix and EM
50 = 50V
Lead Finish for No Suffix = Gold Plated
Finish for EM is Gold Plated or Solder
Dipped depending on availability
Output Voltage
03R3 = 3.3V, 05 = 5V
12 = 12V, 15 = 15V
Screening Level
(Please refer to Screening Table)
No Suffix, CK, EM
Output
S = Single
D = Dual
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IR SAN JOSE: 2520 Junction Avenue, San Jose, California 95134, Tel: (408) 434-5000
Visit us at www.irf.com for sales contact information.
Data and specifications subject to change without notice. 09/2012
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