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Industrial DC/DC CONVERTER MGDI-10 Standard Input : 10W POWER
Industrial Grade
2:1 Standard Input Single & Bi Outputs Metallic case - 1.500 VDC Isolation
* Low profile : 0,33 " ( 8.5mm) * Nominal power of 10 W without derating * Wide temperature range : -40C/+95C case * High efficiency up to 83 % * Soft start * Galvanic isolation 1.500 VDC * Integrated LC EMI filter * Permanent short circuit protection * No optocoupler for high reliability
1-General
The MGDI-10 series is a full family of DC/DC power modules designed for use in distributed power architecture and are particularly suitable for mobile or ground fixed applications in transportation, industry and telecommunication areas. 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 24 volts in range of 4,5-5,5 or 18-36 volts. The series include single and bi output voltage choices of 3,3, 5, 12, 15, +/-5, +/-12 or +/-15 volts. No external heatsink is required for the MGDI10 series to supply 10W output power over the case temperature range of -40C up to 95C. The MGDI-10 series is designed in conformity with safety standards EN60950 and UL1950. All the modules are designed with LC network filters to minimize reflected input current ripple and output voltage ripple according to EN55022 and FCC Part 15J standard. 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 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 and burned in with a GAIA Converter automated test equipment.
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2-Product Selection
Single output model Bi output model : MGDSI-10: MGDBI-10-
Input Voltage Range Permanent C : 4,5-5,5 VDC I : 18-36 VDC
Output B : 3.3 VDC C : 5 VDC or +/-5VDC E : 12 VDC or +/-12VDC F : 15 VDC or +/-15VDC
REDEFINING THE SOURCE OF POWER
(c) Gaia Converter FC97-006.03/06 Revision M
For locations, phone, fax, E-Mail see back cover
MGDI-10 Standard Input Series 2- Product Selection (continued)
Input range Output Current Reference
Industrial Grade
Options
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
VDC VDC VDC VDC VDC VDC VDC
3,3 VDC 5 VDC 12 VDC 15 VDC +/- 5 VDC +/- 12 VDC +/- 15 VDC
2A 2A 0,80 A 0,65 A +/- 1 A +/- 0,40 A +/- 0,33 A
MGDSI-10-C-B MGDSI-10-C-C MGDSI-10-C-E MGDSI-10-C-F MGDBI-10-C-C MGDBI-10-C-E MGDBI-10-C-F
/ / / / / / /
18-36 18-36 18-36 18-36 18-36 18-36 18-36
VDC VDC VDC VDC VDC VDC VDC
3,3 VDC 5 VDC 12 VDC 15 VDC +/- 5 VDC +/- 12 VDC +/- 15 VDC
2A 2A 0.80 A 0.65 A +/- 1 A +/- 0.40 A +/- 0.33 A
MGDSI-10-I-B MGDSI-10-I-C MGDSI-10-I-E MGDSI-10-I-F MGDBI-10-I-C MGDBI-10-I-E MGDBI-10-I-F
/ / / / / / /
Converter Selection Chart
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M G D S I - 10 - I - C
Number of Outputs : S : single output B : bi output Input voltage range : C : 4.5-5.5 VDC I : 18-36VDC Output voltage : See table page 1
(c) Gaia Converter FC97-006.03/06 Revision M
2 For locations, phone, fax, E-Mail see back cover
MGDI-10 Standard Input Series 3- Electrical Specifications
Data are valid at +25C, unless otherwise specified.
Parameter Input Nominal input voltage Permanent input voltage range (Ui) Undervoltage lock-out (UVLO) Start up time Conditions Limit or typical Nominal Min. - Max. Minimum Maximum Maximum Units
Industrial Grade
Single Output MGDSI- 10 10 - C 5 4,5- 5,5 4 4,5 30 10 - I 24 18- 36 16 17,5 30
Full temperature range Full temperature range turn-on/turn-off threshold Ui nominal Nominal output Full load : resistive Ui nominal, full load at switching freq. BW = 20MHz Decoupling capacitor 10F Ui nominal Short-circuit Ui nominal No load
VDC VDC VDC VDC ms
Reflected ripple current Input current in short circuit mode (Average) No load input current Output Output voltage *
Maximum Maximum Maximum
mApp mA mA
50 50 50
30 30 30
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
3,3 5 12 15 +/- 2 10 2 2 0,80 0,65 50 100 150 +/- 1 +/- 2,5 77 1.000 330
3,3 5 12 15 +/- 2 10 2 2 0,80 0,65 50 100 150 +/- 1 +/- 2,5 83 1.000 330
Set Point accuracy Output power Output current 3,3V output 5V output 12V output 15V output 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
5
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
Note * : For proper operation the MGDI-10 module requires to install a 22F chemical or tantalum capacitance accross output terminals. 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 contact factory.
(c) Gaia Converter FC97-006.03/06 Revision M
3 For locations, phone, fax, E-Mail see back cover
MGDI-10 Standard Input Series 3- Electrical Specifications (continued)
Data are valid at +25C, unless otherwise specified.
Limit or typical Nominal Min. - Max. Minimum Maximum Maximum
Industrial Grade
Parameter Input Nominal input voltage Permanent input voltage range (Ui) Undervoltage lock-out (UVLO) Start up time
Conditions
Units
Bi Output MGDBI- 10 10 - C 5 4,5- 5,5 4 4,5 30 10 - I 24 18- 36 16 17,5 30
Full temperature range Full temperature range turn-on/turn-off threshold Ui nominal Nominal output Full load : resistive Ui nominal, full load at switching freq. BW = 20MHz Decoupling capacitor 10F Ui nominal Short-circuit Ui nominal No load 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
VDC VDC VDC VDC ms
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 Efficiency Maximum admissible Capacity load 3,3V and 5V output 12V and 15V output
Maximum Maximum Maximum
mApp mA mA
50 50 50
30 30 30
Nominal Nominal Nominal Maximum Maximum Maximum Maximum Maximum Maximum Maximum Maximum Maximum Maximum Maximum Typical Maximum Maximum
VDC VDC VDC % W A A A mVpp mVpp mVpp % % % % F F
+/- 5 +/- 12 +/- 15 +/- 2 +/- 5 +/- 1 +/- 0,40 +/- 0,33 50 100 150 +/- 1 +/- 2,5 +/- 0,5 77 470 100
+/- 5 +/- 12 +/- 15 +/- 2 +/- 5 +/- 1 +/- 0,40 +/- 0,33 50 100 150 +/- 1 +/- 2,5 +/- 0,5 83 470 100
5
Note * : For proper operation the MGDI-10 module requires to install a 22F chemical or tantalum capacitance accross output terminals. 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 capacitance should be layed-out as close as possible from the converter. Note *** : For load regulation characteristics from 0% to full load, please contact factory.
(c) Gaia Converter FC97-006.03/06 Revision M
4 For locations, phone, fax, E-Mail see back cover
MGDI-10 Standard Input 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
Industrial 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
5
Output overvoltage protection (OVP)
7- Reliability Data
Characteristics Conditions Ground fixed (Gf) Mean Time Between Failure (MTBF) According to MIL-HDBK-217F Ground mobile (Gm) Mean Time Between Failure (MTBF) According to IEC-62380-TR Temperature Case at 40C Case at 70C Case at 40C Case at 70C / Specifications 950.000 Hrs 380.000 Hrs 240.000 Hrs 105.000 Hrs Consult factory
Telecom switchers
(c) Gaia Converter FC97-006.03/06 Revision M
5 For locations, phone, fax, E-Mail see back cover
MGDI-10 Standard Input Series 8- Electromagnetic Interference
Industrial Grade
Electromagnetic interference requirements according to EN55022 class A and class B can be easily achieved as indicated in the following table :
Electromagnetic Interference according to EN55022 Configuration Conducted noise emission Models 4,5-5,5V input models 18-36V input models Configuration Radiated noise emission Models All models Class B With common mode capacitor C c = 10nF and input capacitor C With common mode capacitor C C = 10nF and external filter Class B Class B
i
Class A, C i =10F/ 35 V tantalum Class A, C i =4.7F / 50 V tantalum
With common mode capacitor C c = 10 nF
8-1 Module Compliance with EN55022 class A Standard
Electromagnetic interference requirements according to EN55022 class A can be easily achieved by adding an external input capacitance (CI Value explained in previous table) and a common mode noise capacitance Cc (10 nF/rated voltage depending on isolation requirement) connected between Gin and Gout. This common mode noise capacitance Cc should be layedout as close as possible from the DC/DC converter.
+ Input Input capacitance C i - Input
Vi
Vo
MGDI - Series Gi Go
5
Common mode noise capacitance C c = 10nF
8-2 Module Compliance with EN 55022 Class B Standard
Electromagnetic interference requirements according to EN55022 class B can be easily achieved by adding an external input filter consisting of 4 capacitances, a common mode choke, and a differential mode inductance, together with a common mode noise capacitance (10 nF/rated voltage depending on isolation requirement) connected between Gin and Gout. Please consult EN55022 Class B EMI Filter design dote for further details.
L1 + Input C1 - Input
L2
C3 Vi C2 Vo MGDI - Series Gi C4 Common mode noise capacitance C c = 10nF Go
(c) Gaia Converter FC97-006.03/06 Revision M
6 For locations, phone, fax, E-Mail see back cover
MGDI-10 Standard Input 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
Industrial Grade
Performances - 40C + 71C - 40C +95C - 40C + 105C 12C /W
Note * : The upper temperature range depends on configuration, the user must assure a max. case temperature of + 95C.
The MGDI-10 series operating case temperature must not exceed 95C. The maximum ambient temperature admissible for the DC/DC converter corresponding to the maximum operating case temperature of 95C 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 = 95C 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 = 95C - 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 95C (white area in the following graph).
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Power (W)
100%
Additionnal cooling operation area
75%
Natural convection operation area
50%
25%
10
20
30
40
50
60
70
80
90
100
Temperature (C)
Full load ambient temperature without derating : 71C Maximum case temperature : 95C Maximum storage temperature : 105C
(c) Gaia Converter FC97-006.03/06 Revision M
7 For locations, phone, fax, E-Mail see back cover
MGDI-10 Standard Input Series 10- Environmental Qualifications
The modules have been subjected to the following environmental qualifications.
Industrial Grade
Characteristics
Conditions
Severity
Test procedure
Climatic Qualifications Life at high temperature Duration Temperature Status of unit Damp heat Temperature 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 1.000 Hrs 95C case unit operating 93 % relative humidity 40C 56 days unit not operating 200 -40C / +71C 40 min. 20 min. unit not operating 50 -40C / +105C 10 sec. 20 min. unit not operating IEC 68-2-2
Humidity steady
IEC 68-2-3 Test Ca
Temperature cycling
IEC 68-2-14 Test N
Temperature shock
IEC 68-2-14 Test Na
Mechanical Qualifications Number of cycles Frequency : amplitude Frequency : acceleration Amplitude /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 0.7 mm/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 25 g 6 ms unit not operating
Vibration (Sinusoidal)
IEC 68-2-6 Test Fc
Shock (Half sinus)
IEC 68-2-27 Test Ea
5
IEC 68-2-29 Test Eb
Bump (Half sinus)
Electrical Immunity Qualifications Electrical discharge susceptibility Number of discharges Air discharge level Contact discharge level Air discharge level Contact discharge level Antenna position Electromagnetic field Wave form signal Frequency range Burst form Wave form signal Impedance Level 1 Level 3 10 positive & 10 negative discharges 4 kV : sanction A 2 Kk : sanction A 8 Kk : sanction B 4 kV : sanction B at 1 m 10 V/m AM 80%, 1 kHz 26 MHz to 1 GHz 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 : EN61000-4-2 IEC 801-2 EN55082-2 with : EN61000-4-3 IEC801-3 EN55082-2 with : EN61000-4-4 IEC801-4
Electrical field susceptibility
Electrical fast transient susceptibility
(c) Gaia Converter FC97-006.03/06 Revision M
8 For locations, phone, fax, E-Mail see back cover
MGDI-10 Standard Input 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
Industrial 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.
5
(c) Gaia Converter FC97-006.03/06 Revision M
9 For locations, phone, fax, E-Mail see back cover
MGDI-10 Standard Input Series 12- Application Notes
12-1 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
Industrial Grade
2 x Vo
12-2 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 Vo
GI
Go 2 x Vo
VI
Vo
GI
Go
5
12-3 Connection of Modules in Parallel
Several converters with equal output voltage can be connected in parallel to increase power. Nevertheless some cares have to be taken in particular as the output voltage of each converter is slightly different, when paralleling, the converter with the highest output voltage will source the most current. However the GAIA Converter modules are designed with a "soft'' output voltage versus current characteristic. This causes the output voltage of each converter to automatically adjust downward as its current increases so each converter very approximately shares the total output current. It is important that each converter has approximately the same impedance between their output and the common load.
VI Vo Vo GI Go
VI
Vo
GI
Go
(c) Gaia Converter FC97-006.03/06 Revision M
10 For locations, phone, fax, E-Mail see back cover
MGDI-10 Standard Input Series 13- Dimensions
Dimensions are given in mm (inches). Tolerance : +/- 0,2 mm (+/- 0.01 ") unless otherwise indicated. Weight : 20 grams (0.7 Ozs) max.
40
(1.58")
Industrial Grade
26
(1.03")
7,60
(0.30")
8
(0.32")
5 min
(0.20")
26,20
(1.03")
10,16
(0.40")
20,32
(0.80")
35.56
(1,40")
Pin dimensions : O 0,73 mm (0.03 ")
Metallic case black anodized coating Matte tin plating finished pin
14- 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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15- Connections
4
5
6
Pin 1 2 3 4 5 6
Bi Output + Input (Vi) No pin - Input (Gi) Output + (+Vo) Common (Go) Output - (-Vo)
Single Output + Input (Vi) No pin - Input (Gi) Output (Vo) No pin Common (Go)
1
2
3
Bottom view
(c) Gaia Converter FC97-006.03/06 Revision M
11 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. 14 - MERIGNAC - 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 FC97-004.03/06 Revision M Graphisme : Philippe Clicq

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