Hi-Rel DC/DC CONVERTER
MGDM-04 : 4W POWER
Hi-Rel
Grade
Single, Bi & Triple Outputs
Metallic Case - 1.500 VDC Isolation
• 28 Vdc input compliant with MIL-STD-704 D/E
• Low profile : 0,3‘’ (7.5mm)
• Nominal power of 4W without derating
• Wide temperature range : -40°C/+105°C case
• Soft start
• Galvanic isolation 1.500 VDC
• Integrated LC EMI filter
• Permanent short circuit protection
• Standard pin out DIL24 9 pins
• Inhibit function
• No optocoupler for high reliability
The MGDM-04 series is a full family of high per-
formance and low profile DC/DC power modules
designed for aerospace, military and high-end
industrial applications. These modules use a high
frequency fixed switching technic at 480KHz
providing excellent reliability, low noise
characteristics, high power density and a low pro-
file 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 16-40 volts. The series
include single, bi and triple output voltage choices
of 3.3, 5, 12, 15, +/-5, +/-12 or +/-15 volts. No
external heatsink is required for the MGDM-04
series to supply 4W 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.
The modules include a soft-start, 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 shut-down 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
a bi-component thermal conductive compound and
packaged in a metallic case to ensure the module’s
integrity under high environmental conditions.
1-General
4
2-Product Selection
Single output model
Bi output model
Triple output model
: MGDS-04-
: MGDB-04-
: MGDT-04-
(/T) and/or (/S)
(/T) and/or (/S)
(/T) and/or (/S)
(/T) : option for -55°C start up operating temperature.
(/S) : option for screening and serialization
Input Voltage Range
Permanent
C : 4,5-5,5 VDC
H : 9-36 VDC
J : 16-40 VDC
Transient
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
CF : 5 VDC and +/-15 VDC
* Consult factory for details
REDEFINING THE SOURCE OF POWER
©
Gaia Converter FC97-008.08/06 Revision N
For locations, phone, fax, E-Mail see back cover
MGDM-04 Series
3- Electrical Specifications
Data are valid at +25°C, unless otherwise specified.
Parameter
Input
Nominal input voltage
Permanent input
voltage range (Ui)
Transient input voltage
Start up input voltage
Start up time
Reflected ripple current
Input current in short
circuit mode (Average)
No load input current
Input current in inhibit
mode
Output
Output voltage
Conditions
Limit or
typical
Nominal
Min. - Max.
Maximum
Minimum
Maximum
Maximum
Maximum
Maximum
Maximum
Units
Hi-Rel
Grade
Single Output MGDS-04
04 - C
5
4,5-5,5
/
4,3
200
50
50
50
5
04 - H
20
9-36
40/0,1
8,5
200
50
30
30
5
04 - J
28
16-40
50/0,1
15,5
200
30
30
30
5
Full temperature range
Full temperature range
Full load (consult factory)
Full load
Ui nominal
Nominal output
Full load : resistive
Ui nominal, full load at
switching freq. BW = 20MHz
Ui nominal
Short-circuit
Ui nominal
No load
inhibit
VDC
VDC
VDC/S
VDC
ms
mApp
mA
mA
mA
Full temperature range
Ui min. to max.
75% load
Ambient temperature : +25°c
Ui nominal, 75% load
Full temperature range
Ui min. to max.
Full temperature range
Ui min. to max.
Nominal
Nominal
Nominal
Nominal
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Typical
Maximum
Maximum
VDC
VDC
VDC
VDC
%
W
mA
mA
mA
mA
mVpp
mVpp
mVpp
%
%
%
µF
µF
3,3
5
12
15
+/- 2
4
1.000
800
330
260
40
50
60
+/- 0,5
+/- 2
3,3
5
12
15
+/- 2
4
1.000
800
330
260
40
50
60
+/- 0,5
+/- 2
see on page 6
3,3
5
12
15
+/- 2
4
1.000
800
330
260
40
50
60
+/- 0,5
+/- 2
4
Set Point accuracy
Output power
Output current
3,3V output
5V output
12V output
15V output
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
Ui nominal
Full load
BW = 20MHz
Ui min. to max.
Full load
Ui nominal
25% to full load
Ui nominal
Full load
Ui nominal
Full load
Per output
1.000
47
1.000
47
1.000
47
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 FC97-008.08/06 Revision N
3
For locations, phone, fax, E-Mail see back cover
MGDM-04 Series
3- Electrical Specifications (continued)
Data are valid at +25°C, unless otherwise specified.
Parameter
Input
Nominal input voltage
Permanent input
voltage range (Ui)
Transient input voltage
Start up input voltage
Start up time
Reflected ripple current
Input current in short
circuit mode (Average)
No load input current
Input current in inhibit
mode
Output
Output voltage
Set Point accuracy
Output power
Output current
+/- 5V output
+/- 12V output
+/- 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
Conditions
Limit or
typical
Nominal
Min. - Max.
Maximum
Minimum
Maximum
Maximum
Maximum
Maximum
Maximum
Units
Hi-Rel
Grade
Bi Output MGDB-04
04 - C
5
4,5-5,5
/
4,3
200
50
50
50
5
04 - H
20
9-36
40/0,1
8,5
200
50
30
30
5
04 - J
28
16-40
50/0,1
15,5
200
30
30
30
5
Full temperature range
Full temperature range
Full load (consult factory)
Full load
Ui nominal
Nominal output
Full load : resistive
Ui nominal, full load at
switching freq. BW = 20MHz
Ui nominal
Short-circuit
Ui nominal
No load
inhibit
VDC
VDC
VDC/S
VDC
ms
mApp
mA
mA
mA
Full temperature range
Ui min. to max.
75% load
Ambient temperature : +25°c
Ui nominal, 75% load
Full temperature range
Ui min. to max.
Full temperature range
Ui min. to max.
Ui nominal
Full load
BW = 20MHz
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
Nominal
Nominal
Nominal
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Typical
Maximum
Maximum
VDC
VDC
VDC
%
W
mA
mA
mA
mVpp
mVpp
mVpp
%
%
%
%
µF
µF
+/- 5
+/- 12
+/- 15
+/- 2
+/- 2
+/- 400
+/- 165
+/- 130
40
50
60
+/- 0,5
+/- 2
+/- 0,5
+/- 5
+/- 12
+/- 15
+/- 2
+/- 2
+/- 400
+/- 165
+/- 130
40
50
60
+/- 0,5
+/- 2
+/- 0,5
see on page 6
+/- 5
+/- 12
+/- 15
+/- 2
+/- 2
+/- 400
+/- 165
+/- 130
40
50
60
+/- 0,5
+/- 2
+/- 0,5
4
470
22
470
22
470
22
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 FC97-008.08/06 Revision N
4
For locations, phone, fax, E-Mail see back cover
MGDM-04 Series
3- Electrical Specifications (continued)
Data are valid at +25°C, unless otherwise specified.
Hi-Rel
Grade
Parameter
Input
Nominal input voltage
Permanent input
voltage range (Ui)
Transient input voltage
Start up input voltage
Conditions
Limit or
typical
Nominal
Min. - Max.
Maximum
Minimum
Maximum
Maximum
Maximum
Maximum
Maximum
Units
Triple Output
MGDT-04- J
28
16-40
50/0,1
15,5
200
30
30
30
5
Full temperature range
Full temperature range
VDC
VDC
VDC/S
VDC
ms
mApp
mA
mA
mA
Full load (consult factory)
Full load
Ui nominal
Start up time
Nominal output
Full load : resistive
Ui nominal, full load at switching
Reflected ripple current
freq. BW = 20MHz
Input current in short circuit Ui nominal
mode (Average)
Short-circuit
Ui nominal
No load input current
No load
Input current in inhibit
inhibit
mode
Output
Full temperature range
Output voltage
Ui min. to max.
75% load
Ambient temperature : +25°c
Set Point accuracy
Ui nominal, 75% load
Full temperature range
Output power
Ui min. to max.
Output current
5V & +/- 15V output
Ripple output voltage *
5V output
15V output
Full temperature range
Ui min. to max.
Ui nominal
Full load
BW = 20MHz
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
Nominal
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Typical
Maximum
Maximum
VDC
%
W
mA
mVpp
mVpp
%
%
%
%
µF
µF
5 & +/- 15
+/- 2
2 & +/- 1
500 & +/- 50
40
60
+/- 0,5
+/- 2
+/- 0,5
80
220
47
4
Line regulation
Load regulation **
Cross load output regulation
Efficiency
Maximum admissible
Capacity load
5V output
15V output
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 FC97-008.08/06 Revision N
5
For locations, phone, fax, E-Mail see back cover
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