Redefining the sources of power

MGDD-40

Hi-Rel Grade, DC/DC Converter, 40 W

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General Characteristics

  • Additional functions : on/off, input current ripple reduction, adjustable undervoltage lockout
  • External synchronization range : 270 to 360 KHz
  • Galvanic isolation input/output : 1500 Vdc
  • Nominal power up to : 40 W
  • Protections : input undervoltage lockout, output current limitation
  • Switching frequency : 330 KHz
  • Trim adjustment : 80 to 110 %
  • RoHs

Key Features

  • Flexible isolated dual outputs
  • No load to full load operation
  • No optocoupler for high reliability
  • Possible unbalanced power up to 10% / 90%
  • Soft start
  • Ultra wide input range 9-60 Vdc, 4.5-33 Vdc

Series Description
The MGDD-40 ultra wide input series designates a full family of DC/DC power modules with a permanent ultra wide input voltage range of 4.5-33 volts 9-60 and 12-160 volts. The family is designed for use in distributed power architecture where variable input voltage and transient are prevalent making them ideal particularly for avionics and military applications.
The MGDD-40 is ideal for applications where high power density up to 40W/inch3 is required.
The MGDD-40 series is compliant with DO-160 and MIL-STD-704 transient voltage without additional voltage limiter.
The serie includes dual output voltage choices individually isolated of 2 x 3,3 volts, 2 x 5 volts ,2 x 6 volts,  2 x 12 volts, 2 x 15 volts and 2 x 24 volts and
double 5 & 12 volts all wih easy configuration in series,parallel, symmetry.
The total power is 40 W with one single channel able to provide up to 34 W in load unbalanced mode. 
All the modules are designed with LC network filters to minimize reflected input current ripple.
The modules include a soft-start, an input undervoltage lock-out, a permanent short circuit and overload 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. 
The modules are potted with a bi-component thermally conductive compound to ensure optimum power dissipation under harsh environmental conditions.
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Product Selection

This product selection table includes all available versions. Other references may be offered – see technical datasheets.
For more information, please consult factory.

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Characteristics
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Reference Status Output power Input voltage Max. transient input voltage Switching frequency Output voltage Output current Min. transient input voltage Output Nbr Max power per channel Case dimensions Standard electrical functions Operating case temp. range Case material Max power in drop out operation UVLO range Output voltage trim Isolation voltage Synchronization freq. range Efficiency Weight Synchronization Options RoHS / SnPb
MGDD40NB Active 40 W 9 - 60 Vdc 80.0 Vdc / 1 s 330 KHz 2 x 3.3 Vdc 2 x 4 Vdc 8.0 Vdc / 1 s D 24 W 42.8 x 32.5 x 8.2 mm UVLO, OCP, VIF, TRIM -40 to 105 °C Metallic black anodized coating 80 to 110 % 1500 Vdc 270 to 360 KHz 89 % 40 Grams IN S
MGDD40NC Active 40 W 9 - 60 Vdc 80.0 Vdc / 1 s 330 KHz 2 x 5 Vdc 2 x 4 A 8.0 Vdc / 1 s D 42.8 x 32.5 x 8.2 mm UVLO, OCP, VIF, TRIM -40 to 105 °C Metallic black anodized coating 80 to 110 % 1500 Vdc 270 to 360 KHz 89 % 40 Grams IN S
MGDD40NE Active 40 W 9 - 60 Vdc 80.0 Vdc / 1 s 330 KHz 2 x 12 Vdc 2 x 1.65 A 8.0 Vdc / 1 s D 42.8 x 32.5 x 8.2 mm UVLO, OCP, VIF, TRIM -40 to 105 °C Metallic black anodized coating 80 to 110 % 1500 Vdc 270 to 360 KHz 89 % 40 Grams IN S
MGDD40NF Active 40 W 9 - 60 Vdc 80.0 Vdc / 1 s 330 KHz 2 x 15 Vdc 2 x 1.33 A 8.0 Vdc / 1 s D 42.8 x 32.5 x 8.2 mm UVLO, OCP, VIF, TRIM -40 to 105 °C Metallic black anodized coating 80 to 110 % 1500 Vdc 270 to 360 KHz 89 % 40 Grams IN S
MGDD40NI Active 40 W 9 - 60 Vdc 80.0 Vdc / 1 s 330 KHz 2 x 24 Vdc 8.0 Vdc / 1 s D 42.8 x 32.5 x 8.2 mm UVLO, OCP, VIF, TRIM -40 to 105 °C Metallic black anodized coating 80 to 110 % 1500 Vdc 270 to 360 KHz 89 % 40 Grams IN S
MGDD40EB Active 40 W 4.5 - 33 Vdc 45.0 Vdc / 1 s 330 KHz 2 x 3.3 Vdc 2 x 4 Vdc 4.0 Vdc / 1 s D 24 W 42.8 x 32.5 x 8.2 mm UVLO, OCP, VIF, TRIM -40 to 105 °C Metallic black anodized coating 80 to 110 % 1500 Vdc 270 to 360 KHz 89 % 40 Grams IN S
MGDD40EC Active 40 W 4.5 - 33 Vdc 45.0 Vdc / 1 s 330 KHz 2 x 5 Vdc 2 x 4 A 4.0 Vdc / 1 s D 42.8 x 32.5 x 8.2 mm UVLO, OCP, VIF, TRIM -40 to 105 °C Metallic black anodized coating 80 to 110 % 1500 Vdc 270 to 360 KHz 89 % 40 Grams IN S
MGDD40EE Active 40 W 4.5 - 33 Vdc 45.0 Vdc / 1 s 330 KHz 2 x 12 Vdc 2 x 1.65 A 4.0 Vdc / 1 s D 42.8 x 32.5 x 8.2 mm UVLO, OCP, VIF, TRIM -40 to 105 °C Metallic black anodized coating 80 to 110 % 1500 Vdc 270 to 360 KHz 89 % 40 Grams IN S
MGDD40EF Active 40 W 4.5 - 33 Vdc 45.0 Vdc / 1 s 330 KHz 2 x 15 Vdc 2 x 1.33 A 4.0 Vdc / 1 s D 42.8 x 32.5 x 8.2 mm UVLO, OCP, VIF, TRIM -40 to 105 °C Metallic black anodized coating 80 to 110 % 1500 Vdc 270 to 360 KHz 89 % 40 Grams IN S
MGDD40EI Active 40 W 4.5 - 33 Vdc 45.0 Vdc / 1 s 330 KHz 2 x 24 Vdc 4.0 Vdc / 1 s D 42.8 x 32.5 x 8.2 mm UVLO, OCP, VIF, TRIM -40 to 105 °C Metallic black anodized coating 80 to 110 % 1500 Vdc 270 to 360 KHz 89 % 40 Grams IN S
MGDD40NCE Active 40 W 9 - 60 Vdc 80.0 Vdc / 1 s 330 KHz 2 x 3.3 Vdc, 5 & 12 Vdc 4 & 1.65 A 8.0 Vdc / 1 s D 42.8 x 32.5 x 8.2 mm UVLO, OCP, VIF, TRIM -40 to 105 °C Metallic black anodized coating 80 to 110 % 1500 Vdc 270 to 360 KHz 89 % 40 Grams IN S

Output Nbr: S: Single output, B: Bi-outputs, D: Dual outputs, T: Triple outputs – Dual outputs products can be usable for single output or bi-outputs. Output Nbr E corresponds to a slave module (see DataSheet)
Case dimensions: L x W x H (maximum values in mm)
Standard electrical functions: Case: Case connection, OVLO: Input overvoltage lockout, UVLO: Input under voltage lockout, OCP: Output over current protection level, OPP: Output over power protection, OVP: Output over voltage protection level, SCP: Output short circuit protection, OTP: Over temperature protection, VIF: Pin for Input Current Ripple Reduction, SYNC: Pin for Synchronisation, TRIM: Pin for adjust ouput voltage, ITRIM: Pin for adjustement ouput current limitation, CC: Pin for capacitor charged signal, CD: Pin for capacitor discharged signal, UVLOadj: Pin for level undervoltage lockout adjust, VREF: Pin for output internal voltage reference, PF: Pin for power fail signal, SENSE: Pin for voltage regulation, REV.POL: Reverse polarity protection, SHARE: Pin for output current parallel sharing
Status NPR: Not preferred for new Design
Options: T Screening at start-up -55° C, Y High isolation 3000 Vdc, M On/Off function, S Screening and serialization, F Synchronization function, P Share function

Technical Documentation
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Materials Disclosure Disclaimer
Even though all possible efforts have been made to provide you with the most accurate information, we can not guarantee to its completeness and accuracy due to the fact that the data has been compiled based on the ranges provided and some information that may not have been provided by the subcontractors and raw material suppliers to protect their business proprietary information.