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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 : -40C/+105C 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 The MGDM-10 series is a full family of high performance DC/DC low profile power modules designed for aerospace, military and high-end industrial applications. These modules use a high frequency fixed switching technic at 480 KHz providing excellent 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 1640 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 -40C up to 105C. 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, 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 shutdown 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.
1-General
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2-Product Selection
Master converter :
Single output model Bi output model Triple output model : MGDS-10: MGDB-10: MGDT-10: MGDE-10-
(/T) and/or (/S) (/T) and/or (/S) (/T) and/or (/S) (/T) and/or (/S)
Slave converter :
Single output model
(/T) : option for -55C 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 CE : 5 VDC and +/-12 VDC CF : 5 VDC and +/-15 VDC I : +/-24 VDC
* Consult factory for details REDEFINING THE SOURCE OF POWER
(c) Gaia Converter FC97-010.08/06 Revision P
For locations, phone, fax, E-Mail see back cover
MGDM-10 Series 2- Product Selection (continued)
Input range
4,5-5,5 4,5-5,5 4,5-5,5 4,5-5,5 4,5-5,5 4,5-5,5 4,5-5,5 9-36 9-36 9-36 9-36 9-36 9-36 9-36 9-36 9-36 16-40 16-40 16-40 16-40 16-40 16-40 16-40 16-40 16-40 16-40 VDC VDC VDC VDC VDC VDC VDC
Hi-Rel Grade
Output
3,3 VDC 5 VDC 12 VDC 15 VDC +/- 5 VDC +/- 12 VDC +/- 15 VDC 3,3 VDC 5 VDC 12 VDC 15 VDC +/- 5 VDC +/- 12 VDC +/- 15 VDC 5 & +/- 12 VDC 5 & +/- 15 VDC 3,3 VDC 5 VDC 12 VDC 15 VDC +/- 5 VDC +/- 12 VDC +/- 15 VDC +/- 24 VDC 5 & +/- 12 VDC 5 & +/- 15 VDC
Current
2A 2A 0,800 A 0,650 A +/- 1 A +/- 0,400 A +/- 0,330 A 2A 2A 0,800 A 0,650 A +/- 1 A +/- 0,400 A +/- 0,330 A 1 A & +/-0,20 A 1 A & +/- 0,15 A 2A 2A 0,800 A 0,650 A +/- 1 A +/- 0,400 A +/- 0,330 A +/- 0,200 A 1 A & +/-0,20 A 1 A & +/- 0,15 A
Reference
MGDS-10-C-B MGDS-10-C-C MGDS-10-C-E MGDS-10-C-F MGDB-10-C-C MGDB-10-C-E MGDB-10-C-F MGDS-10-H-B MGDS-10-H-C MGDS-10-H-E MGDS-10-H-F MGDB-10-H-C MGDB-10-H-E MGDB-10-H-F MGDT-10-H-CE MGDT-10-H-CF MGDS-10-J-B MGDS-10-J-C MGDS-10-J-E MGDS-10-J-F MGDB-10-J-C MGDB-10-J-E MGDB-10-J-F MGDB-10-J-I MGDT-10-J-CE MGDT-10-J-CF
Options
/T /T /T /T /T /T /T /T /T /T /T /T /T /T /T /T /T /T /T /T /T /T /T /T /T /T , /S , /S , /S , /S , /S , /S , /S , , , , , , , , , , , , , , , , , , , /S /S /S /S /S /S /S /S /S /S /S /S /S /S /S /S /S /S /S
VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC VDC
4
Converter Selection Chart
MGDS
- 10 - H - C / T
Number of Outputs : S : single output B : bi ouput T : triple output Input voltage range : C : 4,5-5,5 VDC H : 9-36 VDC J : 16-40 VDC Output voltage : See table page 1 Option : /T : -55C start up operation /S : screening and serialization (consult application note screening grades)
(c) Gaia Converter FC97-010.08/08 Revision P
2 For locations, phone, fax, E-Mail see back cover
MGDM-10 Series 3- Electrical Specifications
Data are valid at +25C, unless otherwise specified. Parameter 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 * Full temperature range Ui min. to max. 75% load Ambient temperature : +25c 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 A A A A mVpp mVpp mVpp % % % F F 1.000 330 3,3 5 12 15 +/- 2 10 2 2 0,80 0,65 40 50 60 +/- 1 +/- 2,5 3,3 5 12 15 +/- 2 10 2 2 0,80 0,65 40 50 60 +/- 1 +/- 2,5 See on page 6 1.000 330 Conditions Limit or typical Nominal Min. - Max. Min. - Max. Maximum Minimum Maximum Maximum Maximum Maximum Maximum Units
Hi-Rel Grade
Single Output MGDS-10 10-C 5 4,5-5,5 / / 4 4,3 30 50 50 50 10 - H 20 9-36 / 40/0,1 7 8,5 30 50 30 30 10 - J 28 16-40 16-45 50/0,1 12 15 30 30 30 30
Full temperature range Full temperature range Full temperature range (Consult factory) Full load (Consult factory) 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
VDC VDC VDC VDC/S VDC VDC ms mApp mA mA
3,3 5 12 15 +/- 2 10 2 2 0,80 0,65 40 50 60 +/- 1 +/- 2,5
4
Set Point accuracy Output power Output current ** 3,3V output 5V output 12V output 15V outputt 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
1.000 330
Note * : For proper operation the MGDM-10 module requires to install a 22F 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.
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3 For locations, phone, fax, E-Mail see back cover
MGDM-10 Series 3- Electrical Characteristics (continued)
Data are valid at +25C, unless otherwise specified. Parameter 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 * Full temperature range Ui min. to max. 75% load Ambient temperature : +25c 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 Maximum Typical Maximum Maximum VDC VDC VDC VDC % W A A A A mVpp mVpp mVpp % % % % F F 470 100 +/- 5 +/- 12 +/- 15 / +/- 2 +/- 5 +/- 1 +/- 0,40 +/- 0,33 / 40 50 60 +/- 1 +/- 2,5 +/- 0,5 +/- 5 +/- 12 +/- 15 / +/- 2 +/- 5 +/- 1 +/-0, 40 +/- 0,33 / 40 50 60 +/- 1 +/- 2,5 +/- 0,5 See on page 6 470 100 Conditions Limit or typical Nominal Min. - Max. Min. - Max. Maximum Minimum Maximum Maximum Maximum Maximum Maximum Units
Hi-Rel Grade
Bi Output MGDB-10 10-C 5 4,5-5,5 / / 4 4,3 30 50 50 50 10 - H 20 9-36 / 40/0,1 7 8,5 30 50 30 30 10 - J 28 16-40 16-45 50/0,1 12 15 30 30 30 30
Full temperature range Full temperature range Full temperature range (Consult factory) Full load (Consult factory) 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
VDC VDC VDC VDC/S VDC VDC ms mApp mA mA
+/- 5 +/- 12 +/- 15 +/- 24 +/- 2 +/- 5 +/- 1 +/-0, 40 +/- 0,33 +/-0,20 40 50 60 +/- 1 +/- 2,5 +/- 0,5
4
Set Point accuracy Output power Output current ** 5V output 12V output 15V output 24V output Ripple output voltage *** 5V output 12V output 15V and 24 output Line regulation Load regulation **** Cross load output regulation Efficiency Maximum admissible Capacity load 5V output 12V, 15V and 24V 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
470 100
Note * : For proper operation the MGDM-10 module requires to install a 22F 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.
(c) Gaia Converter FC97-010.08/08 Revision P
4
For locations, phone, fax, E-Mail see back cover
MGDM-10 Series 3- Electrical Characteristics (continued)
Data are valid at +25C, unless otherwise specified. Parameter 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 Ui min. to max. 75% load Ambient temperature : +25c 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 Maximum Maximum Maximum Maximum Maximum Maximum Maximum Maximum Maximum Maximum Typical Maximum Maximum VDC VDC % W A A mVpp mVpp mVpp % % % % F F 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 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 Nominal Min. - Max. Min. - Max. Maximum Minimum Maximum Maximum Maximum Maximum Maximum VDC VDC VDC VDC/S VDC VDC ms mApp mA mA 20 9-36 / 40/0,1 7 8,5 30 50 30 30 Conditions Limit or typical Units
Hi-Rel Grade
Tri Output MGDT-10 10 - H 10 - J 28 16-40 16-45 50/0,1 12 15 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
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Note * : For proper operation the MGDM-10 module requires to install a 22F 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.
(c) Gaia Converter FC97-010.08/08 Revision P
5 For locations, phone, fax, E-Mail see back cover
MGDM-10 Series 3- Electrical Characteristics (continued)
Figure 1 : Typical efficiency versus load at nominal input
76 74
Efficiency (%) Efficiency (%)
Hi-Rel Grade
Figure 2 : Typical efficiency versus load
83 82 83 80
Efficiency (%)
Figure 3 : Typical efficiency versus load at nominal input
72 input 5V 70 68 66 64
81 input 5V 80 79 78
77 74 71 68 65 input 5V
1.65
3.3
5
6.6
2.5
5
7.5
10
2.5
5
7.5
10
Output Power (W)
(MGDS-10-C-B module)
Output Power (W)
(MGDS-10-C-C module)
Output Power (W)
(MGDB-10-C-E module)
Figure 4 : Typical efficiency versus load at nominal input
83 81
Efficiency (%) Efficiency (%)
Figure 5 : Typical efficiency versus load at nominal input
86 84
Efficiency (%)
Figure 6 : Typical efficiency versus load at nominal input
85 83
79 77 input 9V 75 input 22,5V 73 input 36V 71
82 80 78 76 74
input 9V
81 79 77 75 73 input 9V input 22,5V input 36V
input 22,5V input 36V
2.5
5
7.5
10
2.5
5
7.5
10
2.5
5
7.5
10
Output Power (W)
(MGDS-10-H-C module)
Output Power (W)
(MGDS-10-H-E module)
Output Power (W)
(MGDS-10-H-F module)
4
Figure 7 : Typical efficiency versus load at various input
83 80
Efficiency (%)
Figure 8 : Typical efficiency versus load at various input
86 86 83
Efficiency (%)
Figure 9 : Typical efficiency versus load at various input
input 40V
Efficiency (%)
83 80 77 74 71 input 40V input 28V input 16V
77 74 71 68 65 input 16V input 28V
80 77 74 71 68
input 40V input 28V input 16V
2.5
5
7.5
10
2.5
5
7.5
10
2.5
5
7.5
10
Output Power (W)
(MGDS-10-J-C module)
Output Power (W)
(MGDS-10-J-E module)
Output Power (W)
(MGDS-10-J-F module)
Figure 10 : Typical load regulation characteristics at nominal input
5,8 5,7 5,6 13,20 13,00
Figure 11 : Typical load regulation characteristics at nominal input
16,20 16,00
Figure 12 : Typical load regulation characteristics at nominal input
Output voltage (VDC)
Output voltage (VDC)
5,5 5,4 5,3 5,2 5,1 5 4,9 ,00 ,25 ,50 ,75 1,00 1,25 1,50 1,75 2,00
12,80 12,60 12,40 12,20 12,00 11,80 0 100 200 300 400 500 600 700 800 900
(MGDS-10-J-E module)
Output voltage (VDC)
15,80 15,60 15,40 15,20 15,00 14,80 0 100 200 300 400 500 600 700
Output Current (A)
(MGDS-10-J-C module)
Output Current (mA)
Output Current (mA)
(MGDS-10-J-F module)
(c) Gaia Converter FC97-010.08/08 Revision P
6 For locations, phone, fax, E-Mail see back cover
MGDM-10 Series 4- Switching Frequency
Parameter Switching frequency Conditions Full temperature range Ui min. to max. No load to full load Limit or typical Nominal, fixed Specifications 480 KHz
Hi-Rel Grade
5- Isolation
Parameter Electric strength test voltage Electric strength test voltage between outputs (for dual and triple outputs) Isolation resistance Conditions Input to output Output to output 500 VDC Limit or typical Minimum Minimum Minimum Specifications 1.500 VDC / 1 min No isolation 100 MOhm
6- Protection Functions
Characteristics Input undervoltage lock-out (UVLO) Output short circuit protection (SCP) Protection Device Turn-on, turn-off circuit with no hysteresis Hiccup circuitry with auto-recovery Zener clamp Recovery Automatic recovery Automatic recovery / Limit or typical Threshold Permanent Maximum Maximum Maximum Maximum Specifications See section 3 See section 11 For 3.3v : 4v For 5v : 6v For 12v : 14v For 15v : 17v
4
Output overvoltage protection (OVP)
7- Reliability Data
Characteristics Conditions Ground fixed (Gf) Mean Time Between Failure (MTBF) According to MIL-HDBK-217F Airborne, Inhabited, Cargo (AIC) Avionics Military Cargo Temperature Case at 40C Case at 85C Case at 40C Case at 85C / Specifications 965.000 Hrs 385.000 Hrs 500.000 Hrs 180.000 Hrs Consult factory
Mean Time Between Failure (MTBF) According to IEC-62380-TR
(c) Gaia Converter FC97-010.08/08 Revision P
7 For locations, phone, fax, E-Mail see back cover
MGDM-10 Series 8- Electromagnetic Interference
Hi-Rel Grade
Electromagnetic Interference requirements according to MIL-STD-461C/D/E standards can be easily achieved as indicated in the following section. The following table resumes the different sections covered by these standards.
Standard Requirements Conducted emission (CE) : Low frequency High frequency Conducted susceptibility (CS) : Low frequency High frequency Radiated emission (RE) : Magnetic field Electrical field Radiated susceptibility (RS) : Magnetic field Electrical field Applicability
MIL-STD-461C Standard CE 01 CE 03 CS 01 CS 02 RE 01 RE 02 RS 01 RS 03 H, J input module
MIL-STD-461D/E Standard CE 101 CE 102 CS 101 CS114 RE 101 RE 102 RS 101 RS 103 H, J input module
Compliance with GAIA Converter Module & common mode capacitance compliant module stand-alone compliant with additionnal filter compliant with additionnal filter compliant with additionnal filter compliant module stand-alone compliant module stand-alone compliant module stand-alone compliant module stand-alone see EMI datasheet
8-1 Module Compliance with MIL-STD-461C/D/E Standards
To meet the latest US military standards MIL-STD-461D/E (and also the MIL-STD-461C) requirements and in particular the conducted noise emission CE102 (and also CE03) requirements, Gaia Converter can propose a stand-alone ready-to-use EMI filter module. This EMI filter module has to be used together with a common mode noise capacitance C c (10nF/rated voltage depending on isolation requirement) connected between Gin and Gout.
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EMI Filter module reference : FGDM-2A-50V. Please consult EMI filter datasheet for further details.
VI
Vo
VI
Vo
EMI input Filter
MGDM-series
GI
Go
GI
Go
Cc
(c) Gaia Converter FC97-010.08/08 Revision P
8 For locations, phone, fax, E-Mail see back cover
MGDM-10 Series 9- Thermal Characteristics
Characteristics Operating ambient temperature range at full load Operating case temperature range at full load Storage temperature range Thermal resistance Conditions Ambient temperature * Case temperature Non functionning Rth case to ambient in free air natural convection Limit or typical Minimum Maximum Minimum Maximum Minimum Maximum Typical
Hi-Rel Grade
Performances - 40C + 85C - 40C +105C - 55C + 125C 12C /W
Note * : The upper temperature range depends on configuration, the user must assure a max. case temperature of + 105C.
The MGDM-10 series operating case temperature must not exceed 105C. The maximum ambient temperature admissible for the DC/DC converter corresponding to the maximum operating case temperature of 105C depends on the ambient airflow, the mounting/orientation, the cooling features and the power dissipated. To calculate a maximum admissible ambient temperature the following method can be used. Knowing the maximum case temparature Tcase = 105C of the module, the power used Pout and the efficiency : * determine the power dissipated by the module Pdiss that should be evacuated : Pdiss = Pout(1/ - 1) * determine the maximum ambient temperature : Ta = 105C - Rth x Pdiss where Rth is the thermal resistance from the case to ambient.
The previous thermal calculation shows two areas of operation : * a normal operation area in a free natural ambient convection (grey area in this following graph), * an area with cooling features (air flow or heatsink) ensuring a maximum case temperature below the maximum operating case temperature of 105C (white area in the following graph).
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Power (W) 100%
Additionnal cooling operation area
75%
50%
Natural convection operation area
25%
10
20
30
40
50
60
70
80
90
100 110
Temperature (C)
Full load ambient temperature without derating : 85C Maximum case temperature : 105C Maximum storage temperature : 125C
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9 For locations, phone, fax, E-Mail see back cover
MGDM-10 Series 10- Environmental Qualifications
The modules have been subjected to the following environmental qualifications.
Hi-Rel Grade
Characteristics Climatic Qualifications Life at high temperature
Conditions
Severity
Test procedure
Duration Temperature / status of unit Altitude level C Duration Climb up Stabilization Status of unit Number of cycle Cycle duration Relative humidity variation Temperature variation Status of unit Damp heat Temperature Duration Status of unit Temperature Concentration NaCl Duration Status of unit Number of cycles Temperature change Transfert time Steady state time Status of unit Number of shocks Temperature change Transfert time Steady state time Status of unit
Test D : 1.000 Hrs @ 105C case, unit operating @ 125C ambient, unit not operating 40.000 ft@-55C 30 min. 1.000 ft/min to 70.000 f@-55C, 30 min. unit operating 10 Cycle I : 24 Hrs 60 % to 88 % 31C to 41C unit not operating 93 % relative humidity 40C 56 days unit not operating 35C 5% 48 Hrs unit not operating 200 -40C / +85C 40 min. 20 min. unit operating 100 -55C / +105C 10 sec. 20 min. unit not operating
MIL-STD-202G Method 108A
Altitude
MIL-STD-810E Method 500.3
Humidity cyclic
MIL-STD-810E Method 507.3
Humidity steady
MIL-STD-202G Method 103B
Salt atmosphere
MIL-STD-810E Method 509.3
Temperature cycling
MIL-STD-202A Method 102A
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Temperature shock
MIL-STD-202G Method 107G
Mechanical Qualifications Number of cycles Frequency / amplitude Frequency / acceleration Duration Status of unit Number of shocks Peak acceleration Duration Shock form Status of unit Number of bumps Peak acceleration Duration Status of unit 10 cycles in each axis 10 to 60 Hz / 0.7 mm 60 to 2000 Hz / 10 g 2h 30 min. per axis unit not operating 3 shocks in each axis 100 g 6 ms 1/2 sinusoidal unit not operating 2000 bumps in each axis 40 g 6 ms unit not operating
Vibration (Sinusoidal)
MIL-STD-810D Method 514.3
Shock (Half sinus)
MIL-STD-810D Method 516.3
Bump (Half sinus)
MIL-STD-810D Method 516.3
(c) Gaia Converter FC97-010.08/08 Revision P
10 For locations, phone, fax, E-Mail see back cover
MGDM-10 Series 11- Description of Protections
11-1 Input Undervoltage Lock-out (UVLO)
The input undervoltage lock-out protection device turnson 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.
On
Hi-Rel Grade
Off Vin
UVLO Turn-on/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 module 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 maximum current with a detection time lower than 5ms.
Vo (%) 100 detection time x time recovery time recovery time
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 module itself.
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12- Description of Functions
12-1 Option (/M) : On/Off Function
The optionnal control pin A (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 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'' Application Note.
On/Off Command
GI
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MGDM-10 Series 13- Application Notes
13-1 Connection of Outputs in Series
Any of the bi output converters can be configured to produce an output of 10V (+/-5 output models), 24V (+/-12V output models), or 30V (+/-15V output models) by connecting the load across the output (+) and the output (-) with either output grounded, and leaving the common pin floating.
VI +Vo Go GI -Vo
Hi-Rel Grade
2 x Vo
13-2 Connection of Modules in Series
The output of single output units can be connected in series without any precautions to provide higher output voltage level. Nevertheless, GAIA Converter recommends to protect each individual output by a low power shottky diode rated with the maximum current of the converter to avoid reverse polarity at any output. Reverse polarity may occur at start up if the output voltages do not rise at the same time.
VI Gate GI Go 2 x Vo VI Gate GI Go Vo Vo
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13-3 Connection of Modules in Parallel
The MGDM-10 series feature a current share function. Several converters with equal output voltage can be connected in parallel to increase power. A master module will synchronize a slave module to the same clock allowing a current share in between modules through the gate pin. A master module MGDS-10 can drive up to 2 slave modules MGDE-10 .
VI Master Gate GI Go Vo Vo
VI Slave Gate GI
Vo
Go
(c) Gaia Converter FC97-010.08/08 Revision P
12 For locations, phone, fax, E-Mail see back cover
MGDM-10 Series 14- Dimensions
Dimension are given in mm (inches). Tolerance : +/- 0,2 mm (+/- 0.01 ") unless otherwise indicated. Weight : 20 grams (0.7 Ozs) max.
40
(1.58")
Hi-Rel Grade
26
(1.03")
26
(1.03")
Single & Bi & Tri output models
7,60
(0.30")
Single & Bi output models
8
(0.32")
Tri output model
5 min
(0.20")
26,20 2 (0.078")
(1.03")
10,16
(0.40")
7,62
(0.3")
7,62
(0.3")
35,56
(1.40")
20,32
(0.80")
10,16
(0.40")
10,16
(0.40")
Pin dimensions : O 0,73 mm (0.03 ")
Metallic case black anodized coating solder plated pin
15- Product Marking
Upper face : Company logo, location of manufacturing. Side face : Module reference, option, date code : year and week of manufacturing.
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16- Connections
4 5 6 4 7 8 6
A 1 2 3 1
A 2 3
Pin 1 2 3 4 5 6 7 8 A
Single + Input (Vi) Gate - Input (Gi) Output (Vo) No pin Common (Go) / / No pin *
Bi + Input (Vi) No pin - Input (Gi) Output + (+Vo) Common (Go) Output - (-Vo) / / No pin *
Triple + Input (Vi) No pin - Input (Gi) Output 1 (V1) / Common (Go) Output 2+ (+V2) Output 2- (-V2) No pin *
* Option /M : Pin A existing for On/Off function. Please add /M to module reference.
Single & Bi output models Bottom view
Tri output models
(c) Gaia Converter FC97-010.08/08 Revision P
13 For locations, phone, fax, E-Mail see back cover
For more detailed specifications and applications information, contact :
International Headquarters Marketing and Sales department GAIA Converter - France Address : B.P. 26 - 33186 LE HAILLAN - FRANCE Tel. : + (33)-5-57-92-12-80 Fax : + (33)-5-57-92-12-89 North American Headquarters GAIA Converter Canada, Inc Address : 6611 Thimens ST-LAURENT, QUEBEC - CANADA H4S 1W2 Tel. : (514)-333-3169 Fax : (514)-333-4519
Represented by :
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 FC97-008.08/06 Revision P Graphisme : Philippe Clicq

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