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MGDT-20 데이터시트 PDF




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MGDT-20 데이터시트, 핀배열, 회로
Hi-Rel DC/DC CONVERTER
MGDM-20 : 20W POWER Hi-Rel
Grade
Single, Bi & Triple Outputs
Metallic Case - 1.500 VDC Isolation
• 28Vdc input compliant with MIL-STD-704 D/E
www.DNaomtaiSnahlepeotw4eUr.ucpomto 20 W
• Wide temperature range : -40°C/+105°C case
• High efficiency (typ. 84%)
• Soft start
• Galvanic isolation 1.500 VDC
• Integrated LC EMI filter
• Permanent short circuit protection
• No optocoupler for high reliability
REDEFINING THE SOURCE OF POWER
© Gaia Converter FC98-016.08/04 Revision I
1-General
The MGDM-20 series is a complete line of high
performance DC/DC power modules designed for
aerospace, military and high-end industrial ap-
plications. These modules use a high frequency
fixed swiching technic at 500KHz providing ex-
cellent reliability, low noise characteristics and
high power density. Standard models are
available with standard input voltage range of
4.5-5.5, 9-36 and 16-40 volts. The series include
single bi and triple output voltage choices of
3,3 , 5, 12, 15 volts.
No external heatsink is required for the MGDM-
20 series to supply 20W output power over the
full temperature range.
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, and a perma-
nent short circuit protection to ensure efficient
module protection. The soft-start allows current
limitation and eliminates inrush current during
start-up. The short circuit protection completely
protects the modules 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 with a GAIA
converter automated test equipment.The modu-
les 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
2-Product Selection
Single output model : MGDS-20-
Bi output model
: MGDB-20-
Triple output model : MGDT-20-
(/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)
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
BE : 3,3 VDC and +/-12 VDC
BF : 3,3 VDC and +/-15 VDC
CE : 5 VDC and +/-12 VDC
CF : 5 VDC and +/-15 VDC
For locations, phone, fax, E-Mail see back cover




MGDT-20 pdf, 반도체, 판매, 대치품
Hi-Rel
MGDM-20 Series Grade
3- Electrical Characteristics (continued)
Data are valid at +25°C, unless otherwise specified.
Parameter
www.DataSheet4U.com
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
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
Conditions
Limit or
typical
Full temperature range
Nominal
Full temperature range
Min. - Max.
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
Maximum
Minimum
Maximum
Maximum
Maximum
Maximum
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
Nominal
Nominal
Nominal
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Units
VDC
VDC
VDC/S
VDC
ms
mApp
mA
mA
VDC
VDC
VDC
%
W
mA
mA
mA
mVpp
mVpp
mVpp
%
%
%
Bi Output MGDB-20
20 - H
20 - J
20
9-36
40/0,1
8,5
40
28
16-40
50/0,1
15,5
40
50 50
60 60
60 60
+/- 5
+/- 12
+/- 15
+/- 2
+/- 10
+/- 2.000
+/- 800
+/- 650
40
50
60
+/- 1
+/- 2
+/- 0,5
+/- 5
+/- 12
+/- 15
+/- 2
+/- 10
+/- 2.000
+/- 800
+/- 650
40
50
60
+/- 1
+/- 2
+/- 0,5
Efficiency
Ui nominal
Full load
Typical
%
See on page 6
Maximum admissible
Capacity load
5V output
12V and 15V output
Ui nominal
Full load
Per output
Maximum
Maximum
µF
µF
1.000
330
1.000
330
Note * : For proper operation the MGDM-20 module requires to install a 22µF chemical or tantalum capacitor accross output terminal.
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 capacitance (typically 10nF/rated voltage depending on isolation requirement) connected between the pin Gin and the
pin Gout of the converter.This capacitance should be layed-out as close as possible from the converter.
4
© Gaia Converter FC98-016.08/04 Revision I
For locations, phone, fax, E-Mail see back cover
4

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MGDT-20 전자부품, 판매, 대치품
Hi-Rel
MGDM-20 Series Grade
4- Functional Characteristics
Characteristics
Electric strength test voltage
Isolation resistance
Inhibit function
Short circuit protection
Switching frequency
Conditions
Input to output
500 VDC
Inhibit
Short circuit
No load to full load
Limit or typical
Minimum
Minimum
/
/
Nominal
Performances
1.500 VDC / 1 min
100 Mohm
See section 7.3
Permanent
480 KHz
5- Thermal and Reliability Characteristics
www.DataSheet4U.com
Characteristics
Operating ambient temperature
range at full load
Operating case temperature
range at full load
Storage temperature range
Thermal resistance
Mean time between faillure
According to MIL - HDBK - 217F
Conditions
Ambient temperature *
Case temperature
Non functionning
Rth case to ambient in free air
natural convection
Ground fixed (Gf)
Airborne, Inhabited, Cargo (AIC)
Limit or typical
Minimum
Maximum
Minimum
Maximum
Minimum
Maximum
Typical
Case at 40°C
Case at 85°C
Case at 40°C
Case at 85°C
Performances
- 40°C
+ 85°C
- 40°C
+ 105°C
- 55°C
+ 125°C
7°C /W
750.000 Hrs
320.000 Hrs
270.000 Hrs
105.000 Hrs
Note * : The upper temperature range depends on configuration, the user must assure a max. case temperature of + 105°C (See Application Notes : Ambient versus case temperature).
6- Environmental and Electromagnetic Interference Qualification
Characteristics
Altitude
Humidity
Salt atmosphere
Temperature
cycling
Vibration
(Sinusoidal)
Shock
(Half sinus)
Bump
(Half sinus)
Conducted
Emission
Conducted
susceptibility
Radiated emission
Radiated
susceptibility
Conditions
Altitude level C
Climb up
Damp heat
Duration
Duration
Number of cycles
Temperature change
Transfert time / Steady state time
Number of cycles
Frequency
Amplitude/acceleration
Number of shocks
Peak acceleration
Duration
Number of bumps
Peak acceleration
Duration
Module stand alone & common mode
capacitance (10nF)
With external filter KG9501
Module stand alone
With external filter KG9501
With external filter KG9501
Module stand alone & common mode
capacitance (10nF)
Module stand alone
Severity
40.000 ft, unit functionning
1.000 ft/min to 70.000 ft, unit functionning
88 % H.R
Cycle I : 240 Hrs
48 Hrs
200
-40°C / +85°C
40 min. / 20 min.
10 cycles in each axis
10 to 60 Hz/60 to 2000 Hz
0.7 mm/10 g
3 shocks in each axis
100 g
6 ms
2000 Bumps in each axis
40 g
6 ms
CE01
CE03
CE07
CS01, CS02
CS06 spike #2
RE01
RE02
RS01, RS03
Test procedure
MIL - STD - 810D
Method 500.2
MIL - STD - 810D
Method 507.2
MIL - STD - 810E
Method 509.1
MIL - STD - 883C
Method 1010
MIL - STD - 810D
Method 514.3
MIL - STD - 810D
Method 516.3
MIL - STD - 810D
Method 516.3
MIL - STD - 461C
MIL - STD - 461C
MIL - STD - 461C
MIL - STD - 461C
© Gaia Converter FC98-016.08/04 Revision I
For locations, phone, fax, E-Mail see back cover
4
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MGDT-20

DC/DC Converter

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