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PDF MGDB-04 Data sheet ( Hoja de datos )
| Número de pieza | MGDB-04 | |
| Descripción | 4W POWER | |
| Fabricantes | Gaia Converter | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MGDB-04 (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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Hi-Rel DC/DC CONVERTER
MGDM-04 : 4W POWER Hi-Rel
Grade
www.DataSheet4U.com
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
• RoHS or Leaded process option
1-General
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.
4
REDEFINING THE SOURCE OF POWER
© Gaia Converter FC97-008.01/10 Revision O
2-Product Selection
Single output model
Bi output model
Triple output model
: MGDS - 04 - input
: MGDB - 04 - input
: MGDT - 04 - input
output
output
output
/ option
/ option
/ option
suffix
suffix
suffix
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
Options :
/T : option for -55°C start up operating temperature
/S : option for screening and serialization
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
Suffix :
nothing : RoHS process
-L : leaded process (available in N. America)
For locations, phone, fax, E-Mail see back cover
1 page  
Hi-Rel
MGDM-04 Series Grade
3- Electrical Specifications (continued)
Data are valid at +25°C, unless otherwise specified.
www.DataSheet4U.com
Parameter
Conditions
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
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
Full temperature range
Ui min. to max.
75% load
Ambient temperature : +25°c
Ui nominal, 75% load
Full temperature range
Ui min. to max.
Limit or
typical
Nominal
Min. - Max.
Maximum
Minimum
Maximum
Maximum
Maximum
Maximum
Maximum
Nominal
Maximum
Maximum
Units
VDC
VDC
VDC/S
VDC
ms
mApp
mA
mA
mA
VDC
%
W
Triple Output
MGDT-04- J
28
16-40
50/0,1
15,5
200
30
30
30
5
5 & +/- 15
+/- 2
2 & +/- 1
Output current
5V & +/- 15V output
Full temperature range
Ui min. to max.
Maximum
mA
500 & +/- 50
Ripple output voltage *
5V output
15V output
Line regulation
Load regulation **
Cross load output regulation
Efficiency
Maximum admissible
Capacity load
5V output
15V output
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
Maximum
Maximum
Maximum
Maximum
Maximum
Typical
Maximum
Maximum
mVpp
mVpp
%
%
%
%
µF
µF
40
60
+/- 0,5
+/- 2
+/- 0,5
80
220
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.
4
© Gaia Converter FC97-008.01/10 Revision O
For locations, phone, fax, E-Mail see back cover
5
5 Page 
11- Description of Protections
Hi-Rel
MGDM-04 Series Grade
www.DataSheet4U.com
11-1 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.
11-2 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.
Vo (%)
100
x
detection time
recovery time
recovery time
time
4
12- Description of Functions
12-1 On/Off Function
The control pin 20 (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 20 disables the converter
• No connection or high impedance on pin 20 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.
Command
© Gaia Converter FC97-008.01/10 Revision O
For locations, phone, fax, E-Mail see back cover
On/Off
GI
11
11 Page | ||
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| PDF Descargar | [ Datasheet MGDB-04.PDF ] | |
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