MGDS-150-H-B ETC2 [List of Unclassifed Manufacturers], MGDS-150-H-B Datasheet

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MGDS-150-H-B

Manufacturer Part Number
MGDS-150-H-B
Description
Hi-Rel DC/DC CONVERTER
Manufacturer
ETC2 [List of Unclassifed Manufacturers]
Datasheet
• Ultra wide input range 16-80 Vdc, 9-45 Vdc
• 28Vdc input compliant with MIL-STD-704A/D/F
• Industry standard half brick package
• Power up to 150 W
• Wide temperature range : -40°C/+ 105° baseplate
• High efficiency (typ. 86%-90%)
• Soft start
• Galvanic isolation 1.500 VDC
• Integrated LC EMI filter
• Synchronizable
• Load sharing, N+1 redundancy
• No load to full load operation
• Fully protected by independant security
• No optocoupler for high reliability
REDEFINING THE SOURCE OF POWER
©
Gaia Converter FC02-009.08/06 Revision N
• Under & overvoltage lock-out
• Overvoltage protection
• Current limitation protection
• Over temperature protection
1-General
The MGDM-150 low input voltage series is a
complete line of high density wide input range
DC/DC power modules designed for aerospace,
military and high-end industrial applications. These
modules use a patented fixed switching topology
at 420 KHz providing ultra wide input range, low
noise characteristics and high power density. Stan-
dard models are available with ultra wide input
voltage range of 9-45, 16-80 volts. The series
include single output voltage choices of 3,3, 5,
12, 15, 24, 28 volts.
The MGDM-150 low input voltage series include
synchronization load sharing, trim and sense
functions.
The synchronization function allows to synchronize
more than one converter to one frequency or an
external source frequency. The load sharing allows
parallel operation to increase power with a true
N+1.
2-Product Selection
Single output model
(/T) : option for -55°C start up operating temperature
(/S) : option for screening and serialization
Input Voltage Range
H : 9-45 VDC
O : 16-80 VDC
Permanent
MGDM-150 : 150W POWER
: MGDS-150-
Hi-Rel DC/DC CONVERTER
5:1 Low Input Voltage : 9-45 & 16-80 VDC
For locations, phone, fax, E-Mail see back cover
Metallic case - 1.500 VDC Isolation
All the modules are designed with LC network
filters to minimize reflected input current ripple
and output voltage ripple.
The modules have totally independant security
functions including input undervoltage and
overvoltage lock-out, output overvoltage protec-
tion, output current limitation protection, and
temperature protection. Additionnally a soft-start
function allows current limitation and eliminates
inrush current during start-up.
The design has been carried out with surface
mount components, planar transformer and is
manufactured in a fully automated process to
guarantee high quality. The modules are potted
with a bi-component thermal conductive
compound and used an insulated metallic
substrate to ensure optimum power dissipation
under harsh environmental conditions.
(/T) and/or (/S)
B : 3.3 VDC
C : 5 VDC
E : 12 VDC
F : 15 VDC
I :
J : 28 VDC
Output
24 VDC
Single Output
Hi-Rel
Grade
4

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MGDS-150-H-B Summary of contents

Page 1

... The load sharing allows parallel operation to increase power with a true N+1. 2-Product Selection Single output model : MGDS-150- (/T) : option for -55°C start up operating temperature (/S) : option for screening and serialization Input Voltage Range Permanent H : 9-45 VDC ...

Page 2

... Output voltage : See table page 1 Option : (/T) : -55°C start up (/S) : screening and serialization (consult application note «screening grades») © Gaia Converter FC02-009.08/06 Revision N MGDM-150 Low Input Series Current Reference 30 A MGDS-150-H MGDS-150-H-C 12,5 A MGDS-150-H MGDS-150-H-F 6,25 A MGDS-150-H-I 5,35 A MGDS-150-H MGDS-150-O ...

Page 3

Block Diagram The MGDM-150 low input series DC/DC converter is based on a constant 420KHz pulse-width modulated forward topology designed for ultra large input range. The output voltage is monitored on the secondary side avoiding the use of optocoupler ...

Page 4

... Maximum A Maximum A Maximum A Typical mVpp Typical mVpp Typical mVpp Typical mVpp Maximum % Minimum % Maximum % Typical % For locations, phone, fax, E-Mail see back cover Hi-Rel Grade Single Output MGDS-150 150 - H 150 - 50/1 100/1 8,5 15,5 7,5 14 200 500 ...

Page 5

... Electrical Characteristics (continued) Typical efficiency MGDS-150-H-B at 25˚C 85% 84% 83% 82% 81% 80% 79% 78% 77% 76% 75% 74% 73 Input voltage Vin (Vdc) Typical efficiency MGDS-150-H-E at 25˚C 88% 87% 86% 85% 84% 83% 82% 81% 80% 79% 78% 77 Input voltage Vin (Vdc) Typical efficiency MGDS-150-H-I at 25˚C ...

Page 6

... Gaia Converter FC02-009.08/06 Revision N MGDM-150 Low Input Series Typical efficiency MGDS-150-O-C at 25˚C 90% 89% 88% 87% 86% 85% 25W 84% 50W 83% 75W 82% 100W 81% 80% 79% 78% 77% 76% 75 Typical efficiency MGDS-150-O-F at 25˚C 92% 91% 90% 89% 88% 87% 86% 85% 84% 83% 25W 82% 50W 81% 75W 80% 100W 79% 125W 78% 150W 77% 76 Typical efficiency MGDS-150-O-J at 25˚ ...

Page 7

Switching Frequency Parameter Switching frequency 6- Isolation Parameter Electric strength test voltage Isolation resistance 7- Protection Functions Characteristics Input undervoltage lock-out (UVLO) Input overvoltage lock-out (OVLO) Output current limitation protection (OCP) Output overvoltage protection (OVP) Over temperature protection (OTP) ...

Page 8

Electromagnetic Interference 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 ...

Page 9

... LFM Heatsink Fischer Elektronik SK DC 5159SA : Fischer Elektronic and Thermalloy are heasink manufacturers. «Silpad» © registered trademark of Berquist. Note* : Silpad performance are for Silpad 400 with pressure conditions of 50 Psi. Surface of MGDS-150 series is 5,5 inch2. © Gaia Converter FC02-009.08/06 Revision N ...

Page 10

... Fischer Elektronik heatsink reference SKDC5159SA and a Berquist «Silpad» for various cooling conditions. MGDS-150-H-x Series Thermal Curves Ambient temperature (°C) MGDS-150-O-x Series Thermal Curves Ambient temperature (°C) For locations, phone, fax, E-Mail see back cover Hi-Rel ...

Page 11

Environmental Qualifications The modules have been subjected to the following environmental qualifications. Characteristics Conditions Climatic Qualifications Duration Life at high Temperature / status of unit temperature Altitude level C Duration Altitude Climb up Stabilization Status of unit Number of ...

Page 12

Description of Protections The MGDM-150 low input series include 5 types of protection devices that are powered and controlled by a fully independant side power stage. 12-1 Input Undervoltage Lockout (UVLO) and Overvoltage Lockout (OVLO) 12-1-1 Undervoltage Lockout (UVLO) ...

Page 13

Description of Functions 13-1 Trim Function The output voltage Vo may be trimmed in a range of 10%/110% of the nominal output voltage via a single external trimpot or fixed resistor. Trim Up Function Do not attempt to trim ...

Page 14

Description of Functions (continued) 13-2 Sense Function If the load is separated from the output by any line lenght, some of these performance characteristics will be degraded at the load terminals by an amount proportional to the impedance of ...

Page 15

Application Notes 14-1 Synchronization of Modules The MGDM-150 low input series provides a synchronization function trough the pin 2 (Synchro) to enable automatic synchronisation between several converters. If several converters are used, they lock themselves into the highest switching ...

Page 16

Dimensions Dimensions are given in mm (inches). Tolerance : +/- 0,2 mm (+/- 0.01 “) unless otherwise indicated. Weight : 110 grams (3,9 Ozs) max. Mouting Hole 9,894 10,16 0 3,1 (0,122) (0.39) CH 2x2 Pin dimensions : Pins ...

Page 17

For more detailed specifications and applications information, contact : International Headquarters 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 ...

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