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PDF MGDM-10 Data sheet ( Hoja de datos )
| Número de pieza | MGDM-10 | |
| Descripción | Hi-Rel DC/DC CONVERTER 10W POWER | |
| Fabricantes | GAIA | |
| Logotipo |  |
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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
• Galvanic isolation 1.500 VDC
• Integrated LC EMI filter
• Permanent short circuit protection
• Parallel operation master/slave
• No optocoupler for high reliability
REDEFINING THE SOURCE OF POWER
© Gaia Converter FC97-010.08/06 Revision P
1-General
The MGDM-10 series is a full family of high perfor-
mance DC/DC low profile power modules designed
for aerospace, military and high-end industrial ap-
plications. These modules use a high frequency
fixed switching technic at 480 KHz providing ex-
cellent 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 16-
40 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 out-
put 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 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
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-
Bi output model
: MGDB-10-
Triple output model : MGDT-10-
Slave converter :
Single output model : MGDE-10-
(/T) : option for -55°C start up operating temperature.
(/S) : option for screening and serialization
(/T) and/or (/S)
(/T) and/or (/S)
(/T) and/or (/S)
(/T) and/or (/S)
4
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*
* Consult factory for details
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
For locations, phone, fax, E-Mail see back cover
1 page  
Hi-Rel
MGDM-10 Series Grade
3- Electrical Characteristics (continued)
Data are valid at +25°C, unless otherwise specified.
Parameter
Conditions
Limit or
typical
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
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
Full temperature range
Full temperature range
(Consult factory)
Full load
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
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
Min. - Max.
Min. - Max.
Maximum
Minimum
Maximum
Maximum
Maximum
Maximum
Maximum
Nominal
Nominal
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Typical
Maximum
Maximum
Units
VDC
VDC
VDC
VDC/S
VDC
VDC
ms
mApp
mA
mA
VDC
VDC
%
W
A
A
mVpp
mVpp
mVpp
%
%
%
%
µF
µF
Tri Output MGDT-10
10 - H
10 - J
20
9-36
/
40/0,1
7
8,5
30
28
16-40
16-45
50/0,1
12
15
30
50 30
30 30
30 30
5 & +/- 12
5 & +/- 15
+/- 2
5 & +/- 2,5
1 & +/- 0,20
1 & +/- 0,15
40
50
60
+/- 1
+/- 2,5
+/- 0,5
82
470
100
5 & +/- 12
5 & +/- 15
+/- 2
5 & +/- 2,5
1 & +/- 0,20
1 & +/- 0,15
40
50
60
+/- 1
+/- 2,5
+/- 0,5
82
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
5
5 Page 
11- Description of Protections
11-1 Input Undervoltage Lock-out (UVLO)
The input undervoltage lock-out protection device turns-
on 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.
11-2 Output Short Circuit Protection (SCP)
The short circuit protection device protects the module
against short circuit of any duration and restores the mo-
dule 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 maxi-
mum current with a detection time lower than 5ms.
11-3 Output Overvoltage Protection (OVP)
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 mo-
dule itself.
12- Description of Functions
12-1 Option (/M) : On/Off Function
The optionnal control pin A (On/Off) can be used for appli-
cations 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.
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’’ Applica-
tion Note.
Hi-Rel
MGDM-10 Series Grade
On
Off
UVLO
Turn-on/Turn-off
Vo (%)
100
x
Vin
detection time
recovery time
recovery time
time
4
Command
On/Off
GI
© Gaia Converter FC97-010.08/08 Revision P
For locations, phone, fax, E-Mail see back cover
11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet MGDM-10.PDF ] | |
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