Industrial DC/DC CONVERTER
MGDDI-20 Ultra Wide Input : 20W POWER
Industrial
Grade
12:1 Ultra Wide Input
Dual Outputs
Metallic Case - 2 250 VDC Isolation
• Ultra wide input range
• Nominal power up to 20 W
• Nominal dual output voltage from 5V to 48V
• High efficiency over the entire range
• Soft start
• Galvanic isolation 2 250 VDC
• Integrated LC input filter
• Permanent short circuit protection
• External trim adjustment : -20/+10%
• No optocoupler for high reliability
• RoHS process
1-General
The MGDDI-20 ultra wide input series designates
a full family of DC/DC power modules designed
for use in distributed power architecture where
variable input voltage for multiple battery and
transient are prevalent making them ideal
particularly for transportation/mass transit,
railways or high-end industrial applications. These
modules use a high frequency fixed swiching
topology at 270KHz providing excellent reliability,
low noise characteristics and very high efficiency
over the entire input voltage range.
Standard models are available with a permanent
ultra wide input voltage range of 12-160 volts
fully compatible with 24V/36V/72V/110V/125V
battery applications. The serie includes dual output voltage choices individually isolated of 2 x 5
volts , 2 x 12 volts, 2 x 15 volts and 2 x 24 volts
with easy configurability.
The MGDDI-20 serie is designed in conformity
with safety standards EN60950.
All the modules are designed with LC network
filters to minimize reflected input current ripple
according to ease EN55022 standard.
The modules include a soft-start, an input
undervoltage lock-out, a permanent short circuit protection and an output overvoltage limitation 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
modules against short-circuits of any duration
by a shut-down and restores to normal when
the overload is removed.
2-Product Selection
Dual output model
: MGDDI - 20 -
input
output
Input Voltage Range
Permanent
R
:
12-16O VDC
Output
C
E
F
I
:
:
:
:
2 x 5 VDC
2 x 12 VDC
2 x 15 VDC
2 x 24 VDC
REDEFINING THE SOURCE OF POWER
© Gaia Converter FC14-076.06/22 Revision D
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5
Industrial
Grade
MGDDI-20 Ultra Wide Input Series
2- Product Selection (continued)
Input range
12-160
12-160
12-160
12-160
VDC
VDC
VDC
VDC
Output
Current per Output
Reference
Options
2 x 5 VDC
2 x 12 VDC
2 x 15 VDC
2 x 24 VDC
2A
0,825 A
0,65 A
0,425 A
MGDDI-20-R-C
MGDDI-20-R-E
MGDDI-20-R-F
MGDDI-20-R-I
/
/
/
/
/
Using various parallel or series connections of outputs, and the 80/110% trim capability, allows to cover almost
the complete range of output voltages from 4V to 52V as shown in the table below.
Reference
Parallel Connection
Series Connection
MGDDI-20-R-C
MGDDI-20-R-E
MGDDI-20-R-F
MGDDI-20-R-I
4 - 5,5 VDC
9,6 - 13,2 VDC
12 - 16,5 VDC
19,2 - 26,4 VDC
8 - 11 VDC
19,2 - 26,4 VDC
24 - 33 VDC
38,4 - 52,8 VDC
5
Converter Selection Chart
M G D D I - 20 - R - C
/
Number of Outputs :
D : dual output
Input voltage range :
R : 12-160 VDC
Output voltage :
See table page 1
Option :
/
© Gaia Converter FC14-076.06/22 Revision D
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MGDDI-20 Ultra Wide Input Series
Industrial
Grade
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
Undervoltage lock-out
(UVLO)
Start up time
Reflected ripple current
No load input power
Standby input power
Dual Output
Limit or
typical
Units
Full temperature range
Full temperature range
Full load
Full temperature range
Full load
Turn-on voltage (pin Uvlo open)
Turn-off voltage (pin Uvlo open)
Ui nominal within 3 ms
Nominal output
Full load : resistive
Ui nominal, full load at
switching freq. BW = 20MHz
Ui nominal
No load
Nominal
VDC
48
Min. - Max.
VDC
12-160
Maximum
VDC/ms
Maximum
Maximum
VDC
VDC
165/1000
176/100
11,8
10,8
Maximum
ms
30
Maximum
% Inom.
10
Maximum
W
1
Ui nominal
Maximum
W
1
Full temperature range
Ui min. to max.
75% load
Nominal
Nominal
Nominal
Nominal
VDC
VDC
VDC
VDC
2x 5
2 x 12
2 x 15
2 x 24
Maximum
%
+/- 2
Maximum
W
20
Nominal
Nominal
Nominal
Nominal
A
A
A
A
2,0
0,825
0,65
0,425
Typical
W
2
Maximum
Maximum
Maximum
Maximum
mVpp
mVpp
mVpp
mVpp
Maximum
%
+/- 1,5
Maximum
%
+10/-2
Minimum
Maximum
%
%
80
110
Maximum
Maximum
Maximum
Maximum
µF
µF
µF
µF
2 200
820
680
470
Typical
%
up to 90
Conditions
MGDDI-20 - R
Output
Output voltage
Set Point accuracy
Total output power with
both outputs
Output current per output
5V output
12V output
15V output
24V output
Unbalanced output
Ripple output voltage **
5V output
12V output
15V output
24V output
Output regulation *
(Line + load + thermal)
Cross load output regulation
Ambient temperature : +25°c
Ui nominal, 75% load
Full temperature range
Ui min. to max.
Full temperature range
Full load
Ui min. to max.
Minimum load on V01
for VO2 proper operation
Ui nominal
Full load
BW = 20MHz
Ui min. to max.
0% to full load
Ui min. to max.
V01 at nominal load
V02 from 25% to full load
Output voltage trim
As a function of output voltage
Maximum admissible
capacitive load
5V output
12V output
15V output
24V output
Ui nominal
Full load
Per output
Efficiency
Ui nominal
Full load
5
180
240
300
520
Note * : Regulation is measured with both outputs in parallel configuration.
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 1 external decoupling capacitor connected between Gin and Gout. These capacitance should be layed-out as close as possible from
the converter. The ripple output voltage is measured by connecting a ceramic chip capacitor Co accross Vo and Go pins (C=100µF if Vo5Vdc)
© Gaia Converter FC14-076.06/22 Revision D
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Industrial
Grade
MGDDI-20 Ultra Wide Input 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
270 KHz
5- Isolation
Parameter
Electric strength voltage *
(Case not connected)
Isolation resistance
Conditions
Limit or typical
Specifications
Input to output
Functional
2 250 VDC
Between outputs
Functional
300 VDC
Input to case 500 VDC
Output to case 500 VDC
Minimum
Minimum
100 MOhm
100 MOhm
*DC-DC converters are defined as component power supplies. As components they cannot comply with the provisions of any safety
requirements without global conditions of acceptability (mechanical, conductors, ..... ). GAIA Converter DC/DC converter provides
functional input-ouput insulation and functional insulation between outputs. The customer will be responsible to sustain all relevant
end-user safety standards and regulations (IEC/EN/UL 60950-1).
6- Protection Functions
Characteristics
Protection Device
Recovery
Limit or typical
Specifications
Input undervoltage lock-out (UVLO)
Turn-on, turn-off circuit
with hysteresis cycle
Automatic
recovery
Turn-on nominal
Turn-off nominal
See section 3
Output current limitation protection (OCP)
Straight line current
limitation
Automatic
recovery
Typical
130%
Output overvoltage protection (OVP)
Overvoltage protection
limitation
Automatic
recovery
Nominal
130% of
output voltage
5
7- Reliability Data
Characteristics
Conditions
Temperature
Specifications
Ground fixed (Gf)
Case at 40°C
Case at 70°C
535 000 Hrs
205 000 Hrs
Ground mobile (Gm)
Case at 40°C
Case at 70°C
265 000 Hrs
105 000 Hrs
Railway, Payphone
Ambient at 25°C
100% time on
325 000 Hrs
Mean Time Between Failure (MTBF)
According to MIL-HDBK-217F
Mean Time Between Failure (MTBF)
According to IEC-62380-TR
© Gaia Converter FC14-076.06/22 Revision D
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MGDDI-20 Ultra Wide Input Series
Industrial
Grade
8- Electromagnetic Interference
Electromagnetic interference requirements according to EN55022 class A and class B can be easily achieved as indicated in
the following table and following schematics :
Electromagnetic Interference according to EN55022
Conducted
noise
Models
emission
Radiated
noise
emission
Configuration
With a common mode capacitor
C c = 10nF and external filter
All models
Configuration
Models
Class B
With a common mode capacitor C c = 10 nF
and external filter
All models
Class B
8-1 Module Compliance with EN55022 class B Standard
Electromagnetic interference requirements according to EN55022 class B or EN50121 can be easily achieved using the
following schematics :
5
Please consult EN50155 Transient/EMI Filter design note for further details on components.
© Gaia Converter FC14-076.06/22 Revision D
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MGDDI-20 Ultra Wide Input Series
Industrial
Grade
9- Surge Susceptibility EN61000-4-5 & EN50155
Surge susceptibility requirements according to EN50155, EN61000-4-5 and electromagnetic interference requirements of
EN55022 class A can easily be achieved using :
• an input limitor filter : see following schematics of discret components, to sustain the following surge levels :
Characteristics
Spikes
Line to line
Spikes
Line to earth
Standards
Levels
EN 61000-4-5
Level 4 with 4 000 V waveform 50 µs, impedance 2 Ohm
EN 50155
Level 1 800 V waveform 50 µs, impedance 100 and 5 Ohm
Level 8 400 V waveform 0.1 µs, impedance 100 Ohm
EN 61000-4-5
Level 4 with 4 000 V waveform 50 µs, impedance 12 Ohm
EN 50155
Level 1 800 V waveform 50 µs, impedance 100 and 5 Ohm
Level 8 400 V waveform 0.1 µs, impedance 100 Ohm
5
Please consult EN50155 Transient/EMI Filter design note for further details on components.
© Gaia Converter FC14-076.06/22 Revision D
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MGDDI-20 Ultra Wide Input Series
Industrial
Grade
10- Thermal Characteristics
Characteristics
Conditions
Limit or typical
Performances
Operating ambient temperature
range
Ambient temperature
Minimum
Maximum
- 40°C
see below
Operating case temperature
range at full load
Case temperature
Minimum
Maximum
- 40°C
see curves herafter
Storage temperature range
Non functionning
Minimum
Maximum
- 40°C
+ 115°C
Thermal resistance
Rth case to ambient in free air
natural convection
Typical
15°C /W
The following discussion will help designer to determine
the thermal characteristics and the operating temperature.
To calculate the maximum admissible ambient temperature
the following method can be used.
Heat can be removed from the baseplate via three basic
mechanisms :
Knowing the power used Pout and the efficiency η:
• determine the power dissipated by the module Pdiss
that should be evacuated :
η - 1) (A)
Pdiss = Pout(1/η
• Radiation transfert : radiation is counting for less
than 5% of total heat transfert in majority of case, for
this reason the presence of radient cooling is used as
a safety margin and is not considered.
• Conduction transfert : in most of the applications,
heat will be conducted from the baseplate into an
attached heatsink or heat conducting member; heat is
conducted thru the interface.
• Convection transfert : convecting heat t r a n s f e r
into air refers to still air or forced air cooling.
In majority of the applications, we will consider that heat
will be removed from the baseplate either with :
• heatsink,
• forced air cooling,
• both heatsink and forced air cooling.
• then determine the thermal dissipation :
Tdiss = Rth(b-a) x Pdiss (B)
where Rth(b-a) is the thermal resistance from the
baseplate to ambient.
This thermal Rth(b-a) resistance is the summ of :
• the thermal resistance of baseplate to heatsink
(Rth(b-h)). The interface between baseplate and
heatsink can be nothing or a conducting member, a
thermal compound, a thermal pad.... The value of
Rth(b-h) can range from 0.4°C/W for no interface down
to 0.1°C/W for a thermal conductive member interface.
• the thermal resistance of heatsink to ambient air
(Rth(h-a)), which is depending of air flow and given
by heatsink supplier.
5
The table hereafter gives some example of thermal resistance for different heat transfert configurations.
Heat transfert
Free air cooling
only
Forced air cooling
400 LFM
© Gaia Converter FC14-076.06/22 Revision D
Thermal resistance
heatsink to air Rth(h-a)
Thermal resistance
baseplate to heatsink Rth(b-h)
Global
resistance
No Heatsink baseplate only :
15°C/W
No need of thermal pad
15°C/W
BGA-STD-090 ABL Heatsink 10mm height
10°C/W
Including conductive adhesive pad
10°C/W
SK551 Fischer Elektronik 12,3 mm height
11°C/W
Pad value to be added
BGA-STD-090 ABL Heatsink 10 mm width
5°C/W
Including conductive adhesive pad
11,5-12°C/W
5,2°C/W
7
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MGDDI-20 Ultra Wide Input Series
Industrial
Grade
10- Thermal Characteristics (continued)
conduct to determine the maximum ambient temperature
admissible as a function of the maximum baseplate
temperature of the module.
The two formulas (A) and (B) described in previous page :
• Pdiss = Pout(1/η
η - 1)
(A)
• Tdiss = Rth(b-a) x Pdiss (B)
Knowing the maximum baseplate temparature Tmaxbaseplate
the maximum ambient temperature is given by the following
formula :
Ta = Tmaxbaseplate - Tdiss (C)
MGDDI-20-R-x Series Maximum Baseplate Temperature
Versus % of Maximum Output Power
130
120
Maximum Baseplate Temperature (°C)
110
100
90
80
70
60
50
40
30
20
5
10
0
0
25
50
75
100
% of Maximum Output Power (%)
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MGDDI-20 Ultra Wide Input Series
Industrial
Grade
11- Environmental Qualifications
The modules have been subjected to the following environmental qualifications.
Characteristics
Conditions
Severity
Test procedure
Climatic Qualifications
Life at high
temperature
Duration
Temperature
Status of unit
1 000 Hrs
95°C case
unit operating
IEC 68-2-2
Humidity steady
Damp heat
Temperature
Duration
Status of unit
93 % relative humidity
40°C
56 days
unit not operating
IEC 68-2-3
Test Ca
Temperature
cycling
Number of cycles
Temperature change
Transfert time
Steady state time
Status of unit
200
-40°C / +71°C
40 min.
20 min.
unit not operating
IEC 68-2-14
Test N
Temperature
shock
Number of shocks
Temperature change
Transfert time
Steady state time
Status of unit
50
-40°C / +105°C
10 sec.
20 min.
unit not operating
IEC 68-2-14
Test Na
Mechanical Qualifications
Vibration
(Sinusoidal)
Number of cycles
Frequency : amplitude
Frequency : acceleration
Amplitude /acceleration
Duration
Status of unit
10 cycles in each axis
10 to 60 Hz / 0.7 mm
60 to 2000 Hz / 10 g
0.7 mm/10 g
2h 30 min. per axis
unit not operating
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
IEC 68-2-27
Test Ea
Bump
(Half sinus)
Number of bumps
Peak acceleration
Duration
Status of unit
2 000 bumps in each axis
25 g
6 ms
unit not operating
IEC 68-2-29
Test Eb
IEC 68-2-6
Test Fc
5
Electrical Immunity Qualifications
Electrical
discharge
susceptibility
Number of discharges
Air discharge level
Contact discharge level
Air discharge level
Contact discharge level
10 positive & 10 negative discharges
4 kV : sanction A
2 Kk : sanction A
8 Kk : sanction B
4 kV : sanction B
EN55082-2 with :
EN61000-4-2
IEC 801-2
Electrical field
susceptibility
Antenna position
Electromagnetic field
Wave form signal
Frequency range
at 1 m
10 V/m
AM 80%, 1 kHz
26 MHz to 1 GHz
EN55082-2 with :
EN61000-4-3
IEC801-3
Electrical fast
transient
susceptibility
Burst form
Wave form signal
Impedance
Level 1
Level 3
5/50 ns
5 kHz with 15 ms burst duration period 300 ms
50 Ohm
0,5 kV : sanction A
2 kV : sanction B
EN55082-2 with :
EN61000-4-4
IEC801-4
Surge form
Impedance
Level 4
1,2/50 µs
2 Ohm
4 kV : with transient protection (see section
surge)
EN61000-4-5
EN50155
Surge
Susceptibility
© Gaia Converter FC14-076.06/22 Revision D
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Industrial
Grade
MGDDI-20 Ultra Wide Input Series
12- Description of Protections
The MGDDI-20 series includes 3 types of protection devices.
12-1 Input Undervoltage Lockout (UVLO)
An input undervoltage protection will inhibit the module when input
voltage drops below the lock-out turn-off threshold (see section 3
for value) and restores to normal operation automatically when the
input voltage rises the lock-out turn-on threshold.
On
Off
Without resistor, the turn on voltage is 11.8V and turn off voltage is
10.8V
UVLO
Turn- off
UVLO
Turn- on
UVLO
Turn- off
UVLO
Turn- on
Vin
Uvlo Voltage trimming
150
Turn on voltage
turn off voltage
130
110
Vuvlo (Vdc)
The UVLO voltage can be adjusted using a resistor (Ruvlo) connected
between pin 3 and Gi. This value can be ajusted in order to allow
converter to stops properly accordingly to the input bus (or battery )
voltage value. The Ruvlo can be determined using the following formula :
Ruvlo (KΩ) = 187/[Vuvlo - 11]
Ruvlo = trimming resistance
Vuvlo = desire turn-on voltage
90
70
50
30
10
100
1000
Ruvlo (Ω)
10000
100000
12-2 Output Over Current Limitation Protection (OCP)
The MGDDI-20 Series incorporates a overcurrent protection circuit.
The overcurrent protection detects short circuit or over curent and
protects the module according to the hiccup graph . The maximum
detection current Id is depending on input voltage Vin,
temperature, and is higher than 105 % maximum nominal output
curent.
When OCP is triggered, the converter falls in hiccup mode by testing
periodically if the overload is still present. The module restart
automatically to normal operation when overcurrent is removed. Td
(detection time) and Th (hiccup period) are depending on Vin and
temperature. In hiccup mode the average curent is arround 25 % of
Inom.
5
12-3 Output Overvoltage Protection (OVP)
The MGDDI-20 series has an internal overvoltage limitation protection circuit that monitors the voltage accross the output power
terminals. It is designed to limit the converter output voltage to
130% (+/-10%) of nominal output voltage.
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MGDDI-20 Ultra Wide Input Series
Industrial
Grade
13- Description of Functions
13-1 Connection of Outputs
The outputs of MGDDI-20 can be connected in various configurations such as :
- connections in series
- connection in parallel
- connection in symmetry
- connection in independance
Please note that regulation is achieved through output V01/G01 referenced as primary output. When connected in symetrie
or independant configurations with unbalanced loads, VO1/GO1 has to be loaded at 2W minimum to insure proper operating
of the converter. The V02/G02 output referenced as secondary output may stay unloaded, but in that case its regulation may
drift up as shown in curve below. There is no minimum load when the two outputs are connected in parallel or balanced serie.
13-1-1 Connection of Outputs in Series
13-1-2 Connection of Outputs in Parallel
Outputs connected in series allow to achieve 10V, 24V,
30V or 48V output voltages up to 20W total power. These
values can be extended using trim adjustment.
Outputs connected in paralell allow to achieve single output
5V, 12V, 15V or 24V up to 20W power. These values can be
extended using trim adjustment.
5
13-1-3 Connection of Outputs in Symmetry
Outputs connected in symetrie allow to achieve +/-5V,
+/-12V, +/-15V or +/-24V voltages (+/-10W each)
with possible unbalanced loadup to 17W on primary
outout, 3W on secondary output and vice versa.
13-1-4 Connection of Outputs in Independance
Outputs connected independantly
with floating DC between each
other can be achieved for 2x5V,
2x12V, 2x15V or 2x24V voltages
(30W each) with possible
unbalanced load up to 17W on
primary output 3W on secondary
output and vice versa.
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Industrial
Grade
MGDDI-20 Ultra Wide Input Series
13- Description of Functions (continued)
13-2 Trim Function
The output voltage Vo1 may be trimmed in a range of
80%/110% of the nominal output voltage via a single external
trimpot or fixed resistor.
The Vo2 output will automatically follow output Vo1.
Trim Up Function
Do not attempt to trim the module higher than 110% of
nominal output voltage as the overvoltage protection may
occur.
Also do not exceed the maximum rated output power when
the module is trimmed up.
The trim up resistance must be calculated with the following
formula :
Trim Down Function
Do not trim down more than -20% of nominal output voltage otherwise the module may be damaged.
The available output power is reduced by the same
percentage that output voltage is trimmed down.
5
The trim down resistance must be calculated with the
following formula :
Parameter
Unit
Min.
Typ.
Max.
Trim reference Vref
Vdc
1,2
1,225
1,25
Resistor R1
Ohm
/
3,9K
/
Resistor R2
Ohm
/
270
/
nF
/
TBD
/
Trim capacitor C
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MGDDI-20 Ultra Wide Input Series
Industrial
Grade
13- Description of Functions (continued)
13-3 On/Off Function
The control pin 1 (On/Off) can be used for applications requiring
On/Off operation. This may be done with an open collector
transistor, a switch, a relay or an optocoupler. Several
converters may be disabled with a single switch by connecting
all On/Off pins together.
• The converter is disabled by pulling low the pin 1.
• No connection or high impedance on pin 1 enables the
converter.
By releasing the On/Off function, the converter will restart
within the start up time specifications given in table section 3
Parameter
Unit
Min.
Typ.
Max.
Notes, conditions
On/Off module enable voltage
Vdc
2.5
/
3.0
Open, the switch must not sink more than 50µA
On/Off module disable voltage
Vdc
0
/
0.5
The switch must be able to sink 0,5mA
On/Off module enable delay
ms
/
/
30
The module restarts with the same delay after alarm mode removed
On/Off module disable delay
µs
/
/
100
Vi nominal, full load
13-4 Input Filter Compensation (VIF)
The «VIF» pin is a direct access to the capacitor of the LC
input filter and allows to increase the C value to enhance
the converter’s stability and performance and to reduce the
input current ripple for improved EMI performance.It is
recommended to provide low ESR ceramic capacitors, total
value can rate from 2.2µF for high input voltage use to 10µF
for low input voltage use.These capacitors should have the
proper voltage rating. Because of high current flowing through
it, it should be connected between «VIF» and «Gin» as close
as possible from the converter, using large copper traces.
© Gaia Converter FC14-076.06/22 Revision D
5
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MGDDI-20 Ultra Wide Input Series
Industrial
Grade
14- Dimensions
Dimension are given in mm. Tolerance : +/- 0,2 mm (+/- 0.01 “) unless otherwise indicated.
Weight : 35 grams (1.25 Ozs) max.
15- Materials
Case : Metallic black anodized coating.
Pins : Flash gold plating over nickel underplate.
5
16- Product Marking
Upper face : Company logo.
Side face : Module reference, option, date code : year and week of manufacturing.
17- Connections
The MGDI-20 series has been designed for on-board mounting.
it is recommended not to lay-out any component under the module.
Bottom view
© Gaia Converter FC14-076.06/22 Revision D
Pin
Single
1
On/Off
2
Do not connect
3
UVLO
4, 5
Do not connect
6
- Input (Gi)
7
VIF
8
+ Input (Vi)
9
+ Output 2 (Vo2)
10
- Output 2 (Go2)
11
Do not connect
12
+ Output 1 (Vo1)
13
- Output 1 (Go1)
14
Do not connect
15
Vtrm
16
Do not connect
14
For locations, phone, fax, E-Mail see back cover
International Headquarters
GAÏA Converter - France
18 Rue Caroline Aigle
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
1405 Transcanada Hwy, Suite 520
DORVAL, QUEBEC, H9P 2V9
Tel. : (514)-333-3169
Fax : (514)-333-4519
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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 Gaia Converter FC14-076. 06/22 Revision D. Graphisme : Philippe Clicq
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