QW020A0G71-H

QW020A0G71-H Datasheet


QW010/015/020-H Series Power Modules with Baseplate 36 75Vdc Input, - 5.0Vdc Output 10A to 20A Output Current

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QW020A0G71-H QW020A0G71-H QW020A0G71-H (pdf)
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Data Sheet March 27, 2008

QW010/015/020-H Series Power Modules with Baseplate 36 75Vdc Input, - 5.0Vdc Output 10A to 20A Output Current

The QW-H series dc-dc converters are same as QW series with baseplate mounted on topside, which accommodate for standard quarter brick heatsink attachment. The QW-H series allow customer to operate the module in an extreme thermal environment with attachment of heatsink/cold-plate for proper cooling of internal component to heighten reliable and consistent operation. For additional technical data, consult QW010/0150/020 series data sheet.

Document No DS03-102 ver. PDF name qw015_series_h_ds.pd

QW010/015/020 Series Brick Power Modules 36 - 75Vdc Input 1.0Vdc to 5Vdc Output 10A to 20A Output current

Mechanical Outline Diagram

Dimensions are in inches.

Tolerances:
x.xx in. ± in. [unless otherwise indicated]
x.xxx in ± in.

Data Sheet March 27, 2008
* Ground pin is optional LINEAGE POWER

QW010/015/020 Series Brick Power Modules 36 - 75Vdc Input 1.0Vdc to 5Vdc Output 10A to 20A Output current

Data Sheet March 27, 2008

Thermal considerations

The baseplate option -H power modules are constructed with baseplate on topside of the open frame power module. The baseplate includes quarter brick through-threaded, M3 x mounting hole pattern, which enable heat sinks or cold plates to attach to the module. The mounting torque must not exceed N-m 5 in.lb. during heat sink assembly. This module operates in a variety of thermal environments however, sufficient cooling should be provided to help ensure reliable operation.

Considerations include ambient temperature, airflow, module power dissipation, and the need for increased reliability. A reduction in the operating temperature of the module will result in an increase in reliability. The thermal data presented here is based on physical measurements taken in a wind tunnel.

Heat-dissipating components are mounted on the topside of the module and coupled to the baseplate with thermal gap material. Heat is removed by conduction, convection and radiation to the surrounding environment. The thermal reference point, Tref used for the derating curves is shown in Figure For reliable operation Tref temperature should not exceed 118°C.

Tref

AirFlow

Figure Tref Temperature Measurement Location
The output power of the module should not exceed the rated power for the module as listed in the Ordering Information table. Although the maximum Tref temperature of the power modules is 118°C, users can limit this temperature to a lower value for extremely high reliability.

Please refer to the Application Note “Thermal Characterization Process For Open-Frame BoardMounted Power Modules” for a detailed discussion of thermal aspects including maximum device temperatures.

Heat Transfer via Convection

Increased airflow over the module enhances the heat transfer via convection. Following derating figures shows the maximum output current that can be delivered by each module in the respective orientation without exceeding the maximum Tref temperature versus local ambient temperature TA for natural convection through 1m/s 200 ft./min .

Note that the natural convection condition was measured at m/s to m/s 10ft./min. to 20 ft./min. however, systems in which these power modules may be used typically generate natural convection airflow rates of m/s 60 ft./min. due to other heat dissipating components in the system.

LINEAGE POWER

QW010/015/020 Series Brick Power Modules 36 - 75Vdc Input 1.0Vdc to 5Vdc Output 10A to 20A Output current

Thermal considerations continued

OUTPUT CURRENT, IO A
4 200 LFM
2 100 LFM

LOCAL AMBIENT TEMPERATURE, TA °C

Figure Derating curves for QW010A0A1-H Vo = in transverse orientation Vin = 48Vdc

OUTPUT CURRENT, IO A
200 LFM 4
100 LFM 2

LOCAL AMBIENT TEMPERATURE, TA °C

Figure Derating curves for QW015A0F1-H Vo = 3.3V in transverse orientation Vin = 48Vdc

Data Sheet March 27, 2008

LINEAGE POWER

QW010/015/020 Series Brick Power Modules 36 - 75Vdc Input 1.0Vdc to 5Vdc Output 10A to 20A Output current

Data Sheet March 27, 2008
Ordering Information

Please contact your Lineage Power Sales Representative for pricing, availability and optional features.

Table Device Codes

Input Voltage
48V 36-75Vdc

Output Voltage

Output Current

Efficiency

Connector Type

Through hole

Product codes

QW010A0A1-H

Comcodes
108979477
48V 36-75Vdc
3.3V

Through hole

QW015A0F-H
108985177
48V 36-75Vdc
2.5V

Through hole

QW020A0G71-H
108987082

Table Device Options Option

Negative remote on/off logic Case ground pin Basic Insulation

Suffix 1 7 -B

Asia-Pacific Headquarters Tel +65 6416 4283

World Wide Headquarters Lineage Power Corporation 3000 Skyline Drive, Mesquite, TX 75149, USA +1-800-526-7819 Outside U.S.A. +1-972-284-2626 e-mail:

Europe, Middle-East and Africa Headquarters Tel +49 89 6089 286

India Headquarters Tel +91 80 28411633

Lineage Power reserves the right to make changes to the product s or information contained herein without notice. No liability is assumed as a result of their use or application. No rights under any patent accompany the sale of any such product s or information.
2008 Lineage Power Corporation, Mesquite, Texas All International Rights Reserved.

Document No DS03-102 ver. PDF name qw015_series_h_ds.pd
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Datasheet ID: QW020A0G71-H 645737