ETC MGDB-10-C-F

Hi-Rel DC/DC CONVERTER
MGDM-10 : 10W POWER
Hi-Rel
Grade
Single, Bi & Triple Outputs
Metallic Case - 1.500 VDC Isolation
• 28Vdc input compliant with MIL-STD-704 D/E
• Low profile : 0,33 “ (8.5mm)
• Nominal power of 10 W without derating
• Wide temperature range : -40°C/+105°C case
• High efficiency up to 83 %
• Soft start
1-General
• Galvanic isolation 1.500 VDC
• Integrated LC EMI filter
• Permanent short circuit protection
• Parallel operation master/slave
• No optocoupler for high reliability
The MGDM-10 series is a full family of high performance DC/DC low profile power modules designed
for aerospace, military and high-end industrial applications. These modules use a high frequency
fixed switching technic at 480 KHz providing excellent reliability, low noise characteristics, high
power density and a low profile package. Standard
models are available with nominal input voltages
as 5, 12 or 28 volts in range of 4,5-5,5 9-36 or 1640 volts. The series include single bi and triple
output voltage choices of 3,3, 5, 12, 15, +/-5, +/
-12, +/-15 or +/-24 volts. No external heatsink is
required for the MGDM-10 series to supply 10W
output power over the case temperature range of
-40°C up to 105°C.
All the modules are designed with LC network filters
to minimize reflected input current ripple and output voltage ripple.
2-Product Selection
The modules include a soft-start, an input
undervoltage lock-out, a permanent short circuit
protection and an output overvoltage protection
to ensure efficient module protections.
The soft-start allows current limitation and
eliminates inrush current during start-up. The short
circuit protection completely protects the module
against short-circuits of any duration by a shutdown and restores to normal when the overload is
removed.
The design has been carried out with surface mount
components and is manufactured in a fully
automated process to guarantee high quality. Each
module is tested and burned in with a GAIA
Converter automated test equipment before and
after encapsulation.The modules are potted with
an excellent thermal conductive compound and
packaged in a metallic case to ensure the module’s
integrity under high temperature conditions.
Master converter :
Single output model
: MGDS-10-
(/T) and/or (/S)
Bi output model
: MGDB-10-
(/T) and/or (/S)
Triple output model
: MGDT-10-
(/T) and/or (/S)
: MGDE-10-
(/T) and/or (/S)
Slave converter :
Single output model
(/T) : option for -55°C start up operating temperature.
(/S) : option for screening and serialization
Input Voltage Range
Permanent
Transient
C : 4,5-5,5 VDC
H : 9-36 VDC
J : 16-40 VDC
n/a
40 VDC/100 ms*
50 VDC/100 ms*
Output
B : 3.3 VDC
C : 5 VDC or +/-5VDC
E : 12 VDC or +/-12VDC
F : 15 VDC or +/-15VDC
CE : 5 VDC and +/-12 VDC
CF : 5 VDC and +/-15 VDC
I : +/-24 VDC
* Consult factory for details
REDEFINING THE SOURCE OF POWER
© Gaia Converter FC97-010.08/06 Revision P
For locations, phone, fax, E-Mail see back cover
4
Hi-Rel
Grade
MGDM-10 Series
2- Product Selection (continued)
Input range
4,5-5,5
4,5-5,5
4,5-5,5
4,5-5,5
4,5-5,5
4,5-5,5
4,5-5,5
VDC
VDC
VDC
VDC
VDC
VDC
VDC
Output
Current
Reference
Options
3,3 VDC
5 VDC
12 VDC
15 VDC
+/- 5 VDC
+/- 12 VDC
+/- 15 VDC
2A
2A
0,800 A
0,650 A
+/- 1 A
+/- 0,400 A
+/- 0,330 A
MGDS-10-C-B
MGDS-10-C-C
MGDS-10-C-E
MGDS-10-C-F
MGDB-10-C-C
MGDB-10-C-E
MGDB-10-C-F
/T
/T
/T
/T
/T
/T
/T
, /S
, /S
, /S
, /S
, /S
, /S
, /S
9-36
9-36
9-36
9-36
9-36
9-36
9-36
9-36
9-36
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
3,3 VDC
5 VDC
12 VDC
15 VDC
+/- 5 VDC
+/- 12 VDC
+/- 15 VDC
5 & +/- 12 VDC
5 & +/- 15 VDC
2A
2A
0,800 A
0,650 A
+/- 1 A
+/- 0,400 A
+/- 0,330 A
1 A & +/-0,20 A
1 A & +/- 0,15 A
MGDS-10-H-B
MGDS-10-H-C
MGDS-10-H-E
MGDS-10-H-F
MGDB-10-H-C
MGDB-10-H-E
MGDB-10-H-F
MGDT-10-H-CE
MGDT-10-H-CF
/T
/T
/T
/T
/T
/T
/T
/T
/T
,
,
,
,
,
,
,
,
,
/S
/S
/S
/S
/S
/S
/S
/S
/S
16-40
16-40
16-40
16-40
16-40
16-40
16-40
16-40
16-40
16-40
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
VDC
3,3 VDC
5 VDC
12 VDC
15 VDC
+/- 5 VDC
+/- 12 VDC
+/- 15 VDC
+/- 24 VDC
5 & +/- 12 VDC
5 & +/- 15 VDC
2A
2A
0,800 A
0,650 A
+/- 1 A
+/- 0,400 A
+/- 0,330 A
+/- 0,200 A
1 A & +/-0,20 A
1 A & +/- 0,15 A
MGDS-10-J-B
MGDS-10-J-C
MGDS-10-J-E
MGDS-10-J-F
MGDB-10-J-C
MGDB-10-J-E
MGDB-10-J-F
MGDB-10-J-I
MGDT-10-J-CE
MGDT-10-J-CF
/T
/T
/T
/T
/T
/T
/T
/T
/T
/T
,
,
,
,
,
,
,
,
,
,
/S
/S
/S
/S
/S
/S
/S
/S
/S
/S
4
Converter Selection Chart
MGDS
- 10 - H - C / T
Number of Outputs :
S : single output
B : bi ouput
T : triple output
Input voltage range :
C : 4,5-5,5 VDC
H : 9-36 VDC
J : 16-40 VDC
Output voltage :
See table page 1
Option :
/T : -55°C start up operation
/S : screening and
serialization
(consult
application note «screening
grades»)
© Gaia Converter FC97-010.08/08 Revision P
2
For locations, phone, fax, E-Mail see back cover
MGDM-10 Series
Hi-Rel
Grade
3- Electrical Specifications
Data are valid at +25°C, unless otherwise specified.
Parameter
Input
Nominal input voltage
Permanent input
voltage range (Ui)
Extended permanent input
voltage range
Transient input voltage
Undervoltage lock-out
(UVLO)
Start up time
Reflected ripple current
Input current in short
circuit mode (Average)
No load input current
Conditions
Limit or
typical
Units
Full temperature range
Nominal
Full temperature range
Single Output MGDS-10
10-C
10 - H
10 - J
VDC
5
20
28
Min. - Max.
VDC
4,5-5,5
9-36
16-40
Min. - Max.
VDC
/
/
16-45
Maximum
Minimum
Maximum
VDC/S
VDC
VDC
/
4
4,3
40/0,1
7
8,5
50/0,1
12
15
Maximum
ms
30
30
30
Maximum
mApp
50
50
30
Maximum
mA
50
30
30
Maximum
mA
50
30
30
Nominal
Nominal
Nominal
Nominal
VDC
VDC
VDC
VDC
3,3
5
12
15
3,3
5
12
15
3,3
5
12
15
Maximum
%
+/- 2
+/- 2
+/- 2
Maximum
W
10
10
10
Full temperature range
Ui min. to max.
Maximum
Maximum
Maximum
Maximum
A
A
A
A
2
2
0,80
0,65
2
2
0,80
0,65
2
2
0,80
0,65
Ui nominal
Full load
BW = 20MHz
Maximum
Maximum
Maximum
mVpp
mVpp
mVpp
40
50
60
40
50
60
40
50
60
Maximum
%
+/- 1
+/- 1
+/- 1
Maximum
%
+/- 2,5
+/- 2,5
+/- 2,5
Typical
%
Maximum
Maximum
µF
µF
Full temperature range
(Consult factory)
Full load (Consult factory)
turn-on/turn-off threshold
Ui nominal
Nominal output
Full load : resistive
Ui nominal, full load at
switching freq. BW = 20MHz
Ui nominal
Short-circuit
Ui nominal
No load
Output
Output voltage *
Set Point accuracy
Output power
Output current **
3,3V output
5V output
12V output
15V outputt
Ripple output voltage ***
3,3V and 5V output
12V output
15V output
Line regulation
Load regulation ****
Efficiency
Maximum admissible
Capacity load
3,3V and 5V output
12V and 15V output
Full temperature range
Ui min. to max.
75% load
Ambient temperature : +25°c
Ui nominal, 75% load
Full temperature range
Ui min. to max.
Ui min. to max.
Full load
Ui nominal
25% to full load
Ui nominal
Full load
Ui nominal
Full load
Per output
4
See on page 6
1.000
330
1.000
330
1.000
330
Note * : For proper operation the MGDM-10 module requires to install a 22µF chemical or tantalum capacitance accross output terminals.
Note ** : For 9-36V input range, the current is derated at 80% at 9V and increases linearly to full current at 12V.
Note*** : The ripple output voltage is the periodic AC component imposed on the output voltage, an aperiodic and random component (noise) has also to be considered.
This noise can be reduced by adding an external capacitor (typically 10nF/rated voltage depending on isolation requirement) connected between the pin Gin and the
pin Gout of the converter. This capacitor should be layed-out as close as possible from the converter.
Note**** : For load regulation characteristics from 0% to full load, please see page 6.
© Gaia Converter FC97-010.08/08 Revision P
3
For locations, phone, fax, E-Mail see back cover
MGDM-10 Series
Hi-Rel
Grade
3- Electrical Characteristics (continued)
Data are valid at +25°C, unless otherwise specified.
Parameter
Input
Nominal input voltage
Permanent input
voltage range (Ui)
Extended permanent input
voltage range
Transient input voltage
Undervoltage lock-out
(UVLO)
Start up time
Reflected ripple current
Input current in short
circuit mode (Average)
No load input current
Conditions
Limit or
typical
Units
Full temperature range
Nominal
Full temperature range
Bi Output MGDB-10
10-C
10 - H
10 - J
VDC
5
20
28
Min. - Max.
VDC
4,5-5,5
9-36
16-40
Min. - Max.
VDC
/
/
16-45
Maximum
Minimum
Maximum
VDC/S
VDC
VDC
/
4
4,3
40/0,1
7
8,5
50/0,1
12
15
Maximum
ms
30
30
30
Maximum
mApp
50
50
30
Maximum
mA
50
30
30
Maximum
mA
50
30
30
Nominal
Nominal
Nominal
Nominal
VDC
VDC
VDC
VDC
+/- 5
+/- 12
+/- 15
/
+/- 5
+/- 12
+/- 15
/
+/- 5
+/- 12
+/- 15
+/- 24
Maximum
%
+/- 2
+/- 2
+/- 2
Maximum
W
+/- 5
+/- 5
+/- 5
Full temperature range
Ui min. to max.
Maximum
Maximum
Maximum
Maximum
A
A
A
A
+/- 1
+/- 0,40
+/- 0,33
/
+/- 1
+/-0, 40
+/- 0,33
/
+/- 1
+/-0, 40
+/- 0,33
+/-0,20
Ui nominal
Full load
BW = 20MHz
Maximum
Maximum
Maximum
mVpp
mVpp
mVpp
40
50
60
40
50
60
40
50
60
Maximum
%
+/- 1
+/- 1
+/- 1
Maximum
%
+/- 2,5
+/- 2,5
+/- 2,5
Maximum
%
+/- 0,5
+/- 0,5
+/- 0,5
Typical
%
Maximum
Maximum
µF
µF
Full temperature range
(Consult factory)
Full load (Consult factory)
Turn-on/turn-off threshold
Ui nominal
Nominal output
Full load : resistive
Ui nominal, full load at
switching freq. BW = 20MHz
Ui nominal
Short-circuit
Ui nominal
No load
Output
Output voltage *
Set Point accuracy
Output power
Output current **
5V output
12V output
15V output
24V output
Ripple output voltage ***
5V output
12V output
15V and 24 output
Line regulation
Load regulation ****
Cross load output
regulation
Efficiency
Maximum admissible
Capacity load
5V output
12V, 15V and 24V output
Full temperature range
Ui min. to max.
75% load
Ambient temperature : +25°c
Ui nominal, 75% load
Full temperature range
Ui min. to max.
Ui min. to max.
Full load
Ui nominal
25% to full load
Ui nominal
+ Vout nominal load
- Vout from 25% to full load
Ui nominal
Full load
Ui nominal
Full load
Per output
See on page 6
470
100
470
100
470
100
Note * : For proper operation the MGDM-10 module requires to install a 22µF chemical or tantalum capacitance accross output terminals.
Note ** : For 9-36V input range, the current is derated at 80% at 9V and increases linearly to full current at 12V.
Note*** : The ripple output voltage is the periodic AC component imposed on the output voltage, an aperiodic and random component (noise) has also to be considered.
This noise can be reduced by adding an external capacitor (typically 10nF/rated voltage depending on isolation requirement) connected between the pin Gin and the
pin Gout of the converter. This capacitor should be layed-out as close as possible from the converter.
Note**** : For load regulation characteristics from 0% to full load, please see page 6.
© Gaia Converter FC97-010.08/08 Revision P
For locations, phone, fax, E-Mail see back cover
4
4
MGDM-10 Series
Hi-Rel
Grade
3- Electrical Characteristics (continued)
Data are valid at +25°C, unless otherwise specified.
Parameter
Limit or
typical
Units
Full temperature range
Nominal
Full temperature range
Conditions
Tri Output MGDT-10
10 - H
10 - J
VDC
20
28
Min. - Max.
VDC
9-36
16-40
Full temperature range
(Consult factory)
Min. - Max.
VDC
/
16-45
Transient input voltage
Full load
Maximum
VDC/S
40/0,1
50/0,1
Undervoltage lock-out
(UVLO)
Turn-on/turn-off threshold
Minimum
Maximum
VDC
VDC
7
8,5
12
15
Maximum
ms
30
30
Maximum
mApp
50
30
Maximum
mA
30
30
Maximum
mA
30
30
Nominal
Nominal
VDC
VDC
5 & +/- 12
5 & +/- 15
5 & +/- 12
5 & +/- 15
Maximum
%
+/- 2
+/- 2
Maximum
W
5 & +/- 2,5
5 & +/- 2,5
Full temperature range
Ui min. to max.
Maximum
Maximum
A
A
1 & +/- 0,20
1 & +/- 0,15
1 & +/- 0,20
1 & +/- 0,15
Ui nominal
Full load
BW = 20MHz
Maximum
Maximum
Maximum
mVpp
mVpp
mVpp
40
50
60
40
50
60
Maximum
%
+/- 1
+/- 1
Maximum
%
+/- 2,5
+/- 2,5
Maximum
%
+/- 0,5
+/- 0,5
Typical
%
82
82
Maximum
Maximum
µF
µF
470
100
470
100
Input
Nominal input voltage
Permanent input
voltage range (Ui)
Extended permanent input
voltage range
Start up time
Reflected ripple current
Input current in short
circuit mode (Average)
No load input current
Ui nominal
Nominal output
Full load : resistive
Ui nominal, full load at
switching freq. BW = 20MHz
Ui nominal
Short-circuit
Ui nominal
No load
Output
Output voltage *
Set Point accuracy
Output power
Output current **
5 & +/- 12V output
5 & +/- 15V output
Ripple output voltage ***
5V output
12V output
15V output
Line regulation
Load regulation ****
Cross load output
regulation
Efficiency
Maximum admissible
Capacity load
5V output
12V and 15V output
Full temperature range
Ui min. to max.
75% load
Ambient temperature : +25°c
Ui nominal, 75% load
Full temperature range
Ui min. to max.
Ui min. to max.
Full load
Ui nominal
25% to full load
Ui nominal
+ Vout nominal load
- Vout from 25% to full load
Ui nominal
Full load
Ui nominal
Full load
Per output
4
Note * : For proper operation the MGDM-10 module requires to install a 22µF chemical or tantalum capacitance accross output terminals.
Note ** : For 9-36V input range, the current is derated at 80% at 9V and increases linearly to full current at 12V.
Note*** : The ripple output voltage is the periodic AC component imposed on the output voltage, an aperiodic and random component (noise) has also to be considered.
This noise can be reduced by adding an external capacitor (typically 10nF/rated voltage depending on isolation requirement) connected between the pin Gin and the
pin Gout of the converter. This capacitor should be layed-out as close as possible from the converter.
Note**** : For load regulation characteristics from 0% to full load, please see page 6.
© Gaia Converter FC97-010.08/08 Revision P
5
For locations, phone, fax, E-Mail see back cover
Hi-Rel
Grade
MGDM-10 Series
3- Electrical Characteristics (continued)
Figure 1 : Typical efficiency versus load
at nominal input
76
83
83
74
80
72
input 5V
70
68
66
Efficiency (%)
82
Efficiency (%)
Efficiency (%)
Figure 3 : Typical efficiency versus load
at nominal input
Figure 2 : Typical efficiency versus load
81
input 5V
80
79
input 5V
71
65
3.3
5
Output Power (W)
6.6
2.5
Figure 4 : Typical efficiency versus load
at nominal input
86
81
84
Efficiency (%)
input 9V
75
2.5
10
83
82
80
78
input 22,5V
76
7.5
10
Efficiency (%)
input 40V
input 16V
71
input 22,5V
input 36V
7.5
10
2.5
input 28V
68
86
83
83
input 40V
input 28V
77
input 16V
74
7.5
10
(MGDS-10-H-F module)
4
Figure 9 : Typical efficiency versus load
at various input
86
80
5
Output Power (W)
(MGDS-10-H-E module)
Figure 8 : Typical efficiency versus load
at various input
83
77
5
Output Power (W)
Figure 7 : Typical efficiency versus load
at various input
74
input 9V
77
73
2.5
(MGDS-10-H-C module)
80
79
75
Efficiency (%)
5
Output Power (W)
81
input 36V
74
2.5
10
(MGDB-10-C-E module)
Figure 6 : Typical efficiency versus load
at nominal input
input 9V
input 36V
71
7.5
85
input 22,5V
73
5
Output Power (W)
(MGDS-10-C-C module)
Figure 5 : Typical efficiency versus load
at nominal input
83
77
7.5
Output Power (W)
(MGDS-10-C-B module)
79
5
Efficiency (%)
1.65
Efficiency (%)
74
68
78
64
Efficiency (%)
77
71
input 40V
80
input 28V
77
input 16V
74
71
65
68
2.5
5
7.5
Output Power (W)
10
2.5
5
Output Power (W)
(MGDS-10-J-C module)
Figure 10 : Typical load regulation
characteristics at nominal input
7.5
2.5
10
Figure 11 : Typical load regulation
characteristics at nominal input
5,8
5,7
5
7.5
Output Power (W)
(MGDS-10-J-E module)
10
(MGDS-10-J-F module)
Figure 12 : Typical load regulation
characteristics at nominal input
13,20
16,20
13,00
16,00
5,5
5,4
5,3
5,2
5,1
Output voltage (VDC)
Output voltage (VDC)
Output voltage (VDC)
5,6
12,80
12,60
12,40
12,20
12,00
5
4,9
,25
,50
,75
Output Current (A)
1,00
1,25
1,50
1,75
2,00
(MGDS-10-J-C module)
© Gaia Converter FC97-010.08/08 Revision P
15,60
15,40
15,20
15,00
11,80
,00
15,80
14,80
0
100 200 300 400 500 600 700 800 900
Output Current (mA)
(MGDS-10-J-E module)
0
100
200
300
Output Current (mA)
400
500
600
700
(MGDS-10-J-F module)
6
For locations, phone, fax, E-Mail see back cover
Hi-Rel
Grade
MGDM-10 Series
4- Switching Frequency
Parameter
Conditions
Limit or typical
Specifications
Switching frequency
Full temperature range
Ui min. to max.
No load to full load
Nominal, fixed
480 KHz
Parameter
Conditions
Limit or typical
Specifications
Electric strength test voltage
Input to output
Minimum
1.500 VDC / 1 min
Electric strength test voltage between
outputs (for dual and triple outputs)
Output to output
Minimum
No isolation
Isolation resistance
500 VDC
Minimum
100 MOhm
5- Isolation
6- Protection Functions
Characteristics
Protection Device
Recovery
Limit or typical
Specifications
Input undervoltage lock-out (UVLO)
Turn-on, turn-off circuit
with no hysteresis
Automatic
recovery
Threshold
See section 3
Output short circuit protection (SCP)
Hiccup circuitry with
auto-recovery
Automatic
recovery
Permanent
See section 11
Output overvoltage protection (OVP)
Zener clamp
/
Maximum
Maximum
Maximum
Maximum
For 3.3v : 4v
For 5v : 6v
For 12v : 14v
For 15v : 17v
4
7- Reliability Data
Characteristics
Mean Time Between Failure (MTBF)
According to MIL-HDBK-217F
Mean Time Between Failure (MTBF)
According to IEC-62380-TR
© Gaia Converter FC97-010.08/08 Revision P
Conditions
Temperature
Specifications
Ground fixed (Gf)
Case at 40°C
Case at 85°C
965.000 Hrs
385.000 Hrs
Airborne, Inhabited,
Cargo (AIC)
Case at 40°C
Case at 85°C
500.000 Hrs
180.000 Hrs
Avionics Military Cargo
/
Consult factory
7
For locations, phone, fax, E-Mail see back cover
MGDM-10 Series
Hi-Rel
Grade
8- Electromagnetic Interference
Electromagnetic Interference requirements according to MIL-STD-461C/D/E standards can be easily achieved as indicated in
the following section. The following table resumes the different sections covered by these standards.
MIL-STD-461C
Standard
MIL-STD-461D/E
Standard
Conducted emission (CE) :
Low frequency
High frequency
CE 01
CE 03
CE 101
CE 102
compliant module stand-alone
compliant with additionnal filter
Conducted susceptibility (CS) :
Low frequency
High frequency
CS 01
CS 02
CS 101
CS114
compliant with additionnal filter
compliant with additionnal filter
Radiated emission (RE) :
Magnetic field
Electrical field
RE 01
RE 02
RE 101
RE 102
compliant module stand-alone
compliant module stand-alone
Radiated susceptibility (RS) :
Magnetic field
Electrical field
RS 01
RS 03
RS 101
RS 103
compliant module stand-alone
compliant module stand-alone
Standard Requirements
Applicability
H, J input module
Compliance with GAIA Converter
Module & common mode capacitance
H, J input module
see EMI datasheet
4
8-1 Module Compliance with MIL-STD-461C/D/E Standards
To meet the latest US military standards MIL-STD-461D/E (and also the MIL-STD-461C) requirements and in particular the conducted
noise emission CE102 (and also CE03) requirements, Gaïa Converter can propose a stand-alone ready-to-use EMI filter module. This
EMI filter module has to be used together with a common mode noise capacitance C c (10nF/rated voltage depending on
isolation requirement) connected between Gin and Gout.
EMI Filter module reference : FGDM-2A-50V.
Please consult EMI filter datasheet for further details.
VI
Vo
EMI input Filter
GI
Go
Vo
VI
MGDM-series
GI
Go
Cc
© Gaia Converter FC97-010.08/08 Revision P
8
For locations, phone, fax, E-Mail see back cover
MGDM-10 Series
Hi-Rel
Grade
9- Thermal Characteristics
Characteristics
Conditions
Limit or typical
Performances
Operating ambient temperature
range at full load
Ambient temperature *
Minimum
Maximum
- 40°C
+ 85°C
Operating case temperature
range at full load
Case temperature
Minimum
Maximum
- 40°C
+105°C
Storage temperature range
Non functionning
Minimum
Maximum
- 55°C
+ 125°C
Thermal resistance
Rth case to ambient in free air
natural convection
Typical
12°C /W
Note * : The upper temperature range depends on configuration, the user must assure a max. case temperature of + 105°C.
The MGDM-10 series operating case temperature must not exceed 105°C. The maximum ambient temperature admissible for
the DC/DC converter corresponding to the maximum operating case temperature of 105°C depends on the ambient airflow, the
mounting/orientation, the cooling features and the power dissipated.
To calculate a maximum admissible ambient temperature the following method can be used. Knowing the maximum case
temparature Tcase = 105°C of the module, the power used Pout and the efficiency η :
• determine the power dissipated by the module Pdiss that should be evacuated :
η - 1)
Pdiss = Pout(1/η
• determine the maximum ambient temperature :
Ta = 105°C - Rth x Pdiss
where Rth is the thermal resistance from the case to ambient.
4
The previous thermal calculation shows two areas of operation :
• a normal operation area in a free natural ambient convection (grey area in this following graph),
• an area with cooling features (air flow or heatsink) ensuring a maximum case temperature below the maximum
operating case temperature of 105°C (white area in the following graph).
Power (W)
100%
Additionnal cooling operation area
75%
50%
Natural convection operation area
25%
10
20
30
40
50
60
70
80
90
100 110
Temperature (˚C)
Full load ambient temperature without derating : 85˚C
Maximum case temperature : 105˚C
Maximum storage temperature : 125˚C
© Gaia Converter FC97-010.08/08 Revision P
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For locations, phone, fax, E-Mail see back cover
MGDM-10 Series
Hi-Rel
Grade
10- Environmental Qualifications
The modules have been subjected to the following environmental qualifications.
Characteristics
Conditions
Severity
Test procedure
Duration
Temperature / status of unit
Test D : 1.000 Hrs
@ 105°C case, unit operating
@ 125°C ambient, unit not operating
MIL-STD-202G
Method 108A
Altitude
Altitude level C
Duration
Climb up
Stabilization
Status of unit
40.000 ft@-55°C
30 min.
1.000 ft/min to 70.000 f@-55°C,
30 min.
unit operating
MIL-STD-810E
Method 500.3
Humidity cyclic
Number of cycle
Cycle duration
Relative humidity variation
Temperature variation
Status of unit
10
Cycle I : 24 Hrs
60 % to 88 %
31°C to 41°C
unit not operating
MIL-STD-810E
Method 507.3
Humidity steady
Damp heat
Temperature
Duration
Status of unit
93 % relative humidity
40°C
56 days
unit not operating
MIL-STD-202G
Method 103B
Salt atmosphere
Temperature
Concentration NaCl
Duration
Status of unit
35°C
5%
48 Hrs
unit not operating
MIL-STD-810E
Method 509.3
Temperature
cycling
Number of cycles
Temperature change
Transfert time
Steady state time
Status of unit
200
-40°C / +85°C
40 min.
20 min.
unit operating
MIL-STD-202A
Method 102A
Temperature shock
Number of shocks
Temperature change
Transfert time
Steady state time
Status of unit
100
-55°C / +105°C
10 sec.
20 min.
unit not operating
MIL-STD-202G
Method 107G
Climatic Qualifications
Life at high
temperature
4
Mechanical Qualifications
Vibration
(Sinusoidal)
Number of cycles
Frequency / amplitude
Frequency / acceleration
Duration
Status of unit
10 cycles in each axis
10 to 60 Hz / 0.7 mm
60 to 2000 Hz / 10 g
2h 30 min. per axis
unit not operating
MIL-STD-810D
Method 514.3
Shock
(Half sinus)
Number of shocks
Peak acceleration
Duration
Shock form
Status of unit
3 shocks in each axis
100 g
6 ms
1/2 sinusoidal
unit not operating
MIL-STD-810D
Method 516.3
Bump
(Half sinus)
Number of bumps
Peak acceleration
Duration
Status of unit
2000 bumps in each axis
40 g
6 ms
unit not operating
MIL-STD-810D
Method 516.3
© Gaia Converter FC97-010.08/08 Revision P
10
For locations, phone, fax, E-Mail see back cover
Hi-Rel
Grade
MGDM-10 Series
11- Description of Protections
11-1 Input Undervoltage Lock-out (UVLO)
The input undervoltage lock-out protection device turnson and turns-off the output voltage when the input bus
voltage reaches the undervoltage lock-out threshold. There
is no hysteresis cycle at turn-on and turn-off.
On
Off
UVLO
Turn-on/Turn-off
Vin
11-2 Output Short Circuit Protection (SCP)
The short circuit protection device protects the module
against short circuit of any duration and restores the module to normal operation when the short circuit is removed.
It operates in «hiccup» mode by testing periodically if an
overload is applied (typically every 200ms recovery time).
The overload detection threshold is typically 200% of maximum current with a detection time lower than 5ms.
Vo (%)
100
detection time
x
time
recovery time
recovery time
11-3 Output Overvoltage Protection (OVP)
4
The output overvoltage protection device protects external
components against high voltage or possible overvoltages
which can be supplied by the module (i.e in case of internal
failure). It consists of a zener diode clamping the output
voltage; under worst case conditions this zener diode will
short-circuit.
The output voltage protection is not designed to withstand
externally applied output overvoltages to protect the module itself.
12- Description of Functions
12-1 Option (/M) : On/Off Function
The optionnal control pin A (On/Off) can be used for applications requiring On/Off operation. By using an open
collector command with a transistor Q referenced to the
common terminal (Gi) :
• A logic pulled low (<0.2V@1mA, referenced to Gi) on
pin A disables the converter
• No connection or high impedance on pin A enables
the converter.
On/Off
Command
By releasing the On/Off function, the converter will restart
within the start-up time specifications given in table page 3.
For further details please consult ‘’Logic On/Off’’ Application Note.
© Gaia Converter FC97-010.08/08 Revision P
GI
11
For locations, phone, fax, E-Mail see back cover
MGDM-10 Series
Hi-Rel
Grade
13- Application Notes
13-1 Connection of Outputs in Series
Any of the bi output converters can be configured to produce
an output of 10V (+/-5 output models), 24V (+/-12V output models), or 30V (+/-15V output models) by connecting
the load across the output (+) and the output (-) with
either output grounded, and leaving the common pin
floating.
VI
+Vo
Go
GI
-Vo
VI
Vo
2 x Vo
13-2 Connection of Modules in Series
The output of single output units can be connected in series
without any precautions to provide higher output voltage
level.
Nevertheless, GAIA Converter recommends to protect each
individual output by a low power shottky diode rated with
the maximum current of the converter to avoid reverse
polarity at any output.
Reverse polarity may occur at start up if the output voltages do not rise at the same time.
Gate
GI
Go
VI
Vo
2 x Vo
4
Gate
GI
Go
13-3 Connection of Modules in Parallel
The MGDM-10 series feature a current share function. Several
converters with equal output voltage can be connected in
parallel to increase power.
A «master» module will synchronize a «slave» module to
the same clock allowing a current share in between modules through the «gate» pin.
A master module MGDS-10 can drive up to 2 slave modules
MGDE-10 .
VI
Vo
Master
Gate
Vo
GI
Go
VI
Vo
Slave
Gate
GI
© Gaia Converter FC97-010.08/08 Revision P
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12
For locations, phone, fax, E-Mail see back cover
Hi-Rel
Grade
MGDM-10 Series
14- Dimensions
Dimension are given in mm (inches). Tolerance : +/- 0,2 mm (+/- 0.01 “) unless otherwise indicated.
Weight : 20 grams (0.7 Ozs) max.
40
26
26
(1.58")
(1.03")
(1.03")
7,60
Single & Bi & Tri output models
Single & Bi output models
(0.30")
5 min
(0.20")
2 (0.078")
8
Tri output model
(0.32")
26,20
10,16
7,62
7,62
(1.03")
(0.40")
(0.3")
(0.3")
35,56
20,32
10,16
10,16
(1.40")
(0.80")
(0.40")
(0.40")
Pin dimensions : O 0,73 mm (0.03 ”)
Metallic case black anodized coating solder plated pin
15- Product Marking
Upper face : Company logo, location of manufacturing.
Side face : Module reference, option, date code : year and week of manufacturing.
4
16- Connections
4
5
6
4
3
1
A
1
2
8
7
6
A
2
3
Pin
1
2
3
4
5
6
7
8
A
Single
+ Input (Vi)
Gate
- Input (Gi)
Output (Vo)
No pin
Common (Go)
/
/
No pin *
Bi
+ Input (Vi)
No pin
- Input (Gi)
Output + (+Vo)
Common (Go)
Output - (-Vo)
/
/
No pin *
Triple
+ Input (Vi)
No pin
- Input (Gi)
Output 1 (V1)
/
Common (Go)
Output 2+ (+V2)
Output 2- (-V2)
No pin *
* Option /M : Pin A existing for On/Off function.
Please add /M to module reference.
Single & Bi output models
Tri output models
Bottom view
© Gaia Converter FC97-010.08/08 Revision P
13
For locations, phone, fax, E-Mail see back cover
International Headquarters
Marketing and Sales department
GAÏA Converter - France
Address : B.P. 26 - 33186 LE HAILLAN - FRANCE
Tel. : + (33)-5-57-92-12-80
Fax : + (33)-5-57-92-12-89
North American Headquarters
GAÏA Converter Canada, Inc
Address : 6611 Thimens
ST-LAURENT, QUEBEC - CANADA H4S 1W2
Tel. : (514)-333-3169
Fax : (514)-333-4519
Represented by :
Information given in this datasheet is believed to be accurate and reliable. However, no responsibility is assumed for the consequence of its use nor for any infringement of patents or other rights of third parties which may result from its use.
These products are sold only according to GAIA Converter general conditions of sale, unless otherwise confirmed by writing. Specifications subject to change without notice.
Printed in France by GAIA Converter FC97-008.08/06 Revision P Graphisme : Philippe Clicq
For more detailed specifications and applications information, contact :