QHW075G71

QHW075G71 Datasheet

QHW050G1, QHW075G1, and QHW100G1 Power Modules dc-dc Converters 36 to 75 Vdc Input, Vdc Output 25 W to 50 W

Part	Datasheet
QHW075G71	QHW075G71 (pdf)

Related Parts	Information
QHW050G71	QHW050G71

PDF Datasheet Preview
Data Sheet April 2008 QHW050G1, QHW075G1, and QHW100G1 Power Modules dc-dc Converters 36 to 75 Vdc Input, Vdc Output 25 W to 50 W The QHW Series Power Modules use advanced, surfacemount technology and deliver high-quality, efficient, and compact dc-dc conversion. n Distributed power architectures n Communications equipment n Computer equipment Options n Heat sinks available for extended operation n Auto-restart after overtemperature, overvoltage, or overcurrent shutdown n Choice of short pin lengths n Case ground pin n Small size mm x mm x mm in. x in. x in. n High power density n High efficiency 86% typical n Low output noise n Constant frequency n Industry-standard pinout n Metal baseplate n 2:1 input voltage range n Overtemperature, overvoltage and overcurrent protection n Negative remote on/off n Remote sense n Adjustable output voltage n ISO* 9001 and ISO 14001 Certified manufacturing facilities n UL†60950 Recognized, C22.2 No. 60950-00 Certified, and VDE§ 0805 IEC60950 Licensed n CE mark meets 73/23/EEC and 93/68/EEC directives** * ISO is a registered trademark of the International Organization for Standardization. † UL is a registered trademark of Underwriters Laboratories, Inc. CSA is a registered trademark of Canadian Standards Associa- tion. § VDE is a trademark of Verband Deutscher Elektrotechniker e.V. ** This product is intended for integration into end-use equipment. All the required procedures for CE marking of end-use equipment should be followed. The CE mark is placed on selected products. The QHW050G1, QHW075G1, and QHW100G1 Power Modules are dc-dc converters that operate over an input voltage range of 36 Vdc to 75 Vdc and provide a precisely regulated dc output. The outputs are fully isolated from the inputs, allowing versatile polarity configurations and grounding connections. The modules have maximum power ratings from 25 W to 50 W at a typical full-load efficiency of The sealed modules offer a metal baseplate for excellent thermal performance. Threaded-through holes are provided to allow easy mounting or addition of a heat sink for high-temperature applications. The standard feature set includes remote sensing, output trim, and remote on/off for convenient flexibility in distributed power applications. QHW050G1, QHW075G1, and QHW100G1 Power Modules dc-dc Converters 36 to 75 Vdc Input, Vdc Output 25 W to 50 Data Sheet April 2008 Absolute Maximum Ratings Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operations sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect device reliability. Parameter Input Voltage Continuous Transient 100 ms Operating Case Temperature See Thermal Considerations section. Storage Temperature I/O Isolation Voltage for 1 minute VI, trans Tstg 80 100 125 1500 The temperature at this location should not exceed 100 °C. 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 case temperature of the power modules is 100 °C, you can limit this temperature to a lower value for extremely high reliability. Heat Transfer Without Heat Sinks Increasing airflow over the module enhances the heat transfer via convection. Figures 23 and 24 show the maximum power that can be dissipated by the module without exceeding the maximum case temperature versus local ambient temperature TA for natural convection through 3 m/s 600 ft./min. . Note that the natural convection condition was measured at m/s to m/s 10 ft./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. The use of Figure 23 is shown in the following example. Example What is the minimum airflow necessary for a QHW100G1 operating at VI = 48 V, an output current of 20 A, transverse orientation, and a maximum ambient temperature of 55 °C? Solution Given VI = 48 V IO = 20 A TA = 40 °C Determine PD Use Figure 27 PD = W Determine airflow v Use Figure 23 v = m/s 300 ft./min. 20 m/s 600 ft./min. m/s 400 ft./min. m/s 200 ft./min. m/s 20 ft./min. NATURAL CONVECTION POWER DISSIPATION, PD W 0 10 20 30 40 50 60 70 80 90 100 LOCAL AMBIENT TEMPERATURE, TA °C 8-2321 F Figure Forced Convection Power Derating with No Heat Sink Transverse Orientation Lineage Power Data Sheet April 2008 QHW050G1, QHW075G1, and QHW100G1 Power Modules dc-dc Converters 36 to 75 Vdc Input, Vdc Output 25 W to 50 W Thermal Considerations continued Heat Transfer Without Heat Sinks continued 20 m/s 600 ft./min. m/s 400 ft./min. m/s 200 ft./min. m/s 20 ft./min. NATURAL CONVECTION POWER DISSIPATION, PD W 0 10 20 30 40 50 60 70 80 90 100 LOCAL AMBIEMT TEMPERATURE, TA °C 8-2318 F .a Figure Forced Convection Power Derating with No Heat Sink Longitudinal Orientation POWER DISSIPATION, PD W VI = 75 V VI = 48 V VI = 36 V 2345678 OUTPUT CURRENT, IO A 1-0063 Figure QHW050G1 Power Dissipation vs. Output Current at 25 °C Ordering Information Please contact your Lineage Power Account Manager or Field Application Engineer for pricing and availability. Table Device Codes Input Voltage 48 Vdc 48 Vdc 48 Vdc Output Voltage Vdc Output Power 25 W 50 W Output Current 10 A 15 A 20 A Remote On/Off Logic Negative Device Code QHW050G1 QHW075G1 QHW100G1 Comcode 108728494 108446972 108447038 Optional features can be ordered using the suffixes shown in Table To order more than one option, list device codes suffixes in numerically descending order. For example, the device code for a QHW100G1 module with the following option is shown below: Negative logic and auto-restart after overtemperature, overvoltage, or overcurrent shutdown QHW100G41 Table Device Options Option Short pins mm ± mm in. in. Case ground pin Short pins mm ± mm in. ± in. Auto-restart after overtemperature, over- voltage, or overcurrent shutdown Device Code Suffix 8 Lineage Power Data Sheet April 2008 QHW050G1, QHW075G1, and QHW100G1 Power Modules dc-dc Converters 36 to 75 Vdc Input, Vdc Output 25 W to 50 W Ordering Information continued Table Device Accessories Accessory 1/4 in. transverse kit heat sink, thermal pad, and screws 1/4 in. longitudinal kit heat sink, thermal pad, and screws 1/2 in. transverse kit heat sink, thermal pad, and screws 1/2 in. longitudinal kit heat sink, thermal pad, and screws 1 in. transverse kit heat sink, thermal pad, and screws 1 in. longitudinal kit heat sink, thermal pad, and screws Dimensions are in millimeters and inches . Comcode 848060992 848061008 848061016 848061024 848061032 848061040 1/4 IN. ± ± 1/2 IN. 1 IN. ± ± 8-2473 F Figure Longitudinal Heat Sink ± ± ± ± 1/4 IN. 1/2 IN. 1 IN. Figure Transverse Heat Sink 8-2472 F Lineage Power QHW050G1, QHW075G1, and QHW100G1 Power Modules dc-dc Converters 36 to 75 Vdc Input, Vdc Output 25 W to 50 W Data Sheet April 2008 A sia-Pacific Head qu art ers T el +65 6 41 6 4283 World W ide Headq u arters Lin eag e Po wer Co rp oratio n 30 00 Sk yline D riv e, Mes quite, T X 75149, U SA +1-800-526-7819 Outs id e U .S.A +1- 97 2-2 84 -2626 ag ep ower.co m e-m ail tech sup lin ea gep ower.co m Eu ro pe, M id dle-East an d Afric a He ad qu arters T el +49 8 9 6089 286 Ind ia Head qu arters T el +91 8 0 28411633 Lineage Power reserves the right to make changes to the produc t s or information contained herein without notice. No liability is ass umed as a res ult of their use or applic ation. No rights under any patent acc ompany the sale of any s uc h pr oduct s or information. 2008 Lineage Power Corpor ation, Mesquite, Texas All International Rights Res er ved. April 2008 FDS01-069EPS Replaces FDS01-068EPS

PDF Datasheet Preview

Data Sheet April 2008

QHW050G1, QHW075G1, and QHW100G1 Power Modules dc-dc Converters 36 to 75 Vdc Input, Vdc Output 25 W to 50 W

The QHW Series Power Modules use advanced, surfacemount technology and deliver high-quality, efficient, and compact dc-dc conversion.
n Distributed power architectures n Communications equipment n Computer equipment

Options
n Heat sinks available for extended operation n Auto-restart after overtemperature, overvoltage, or
overcurrent shutdown n Choice of short pin lengths n Case ground pin
n Small size mm x mm x mm in. x in. x in.
n High power density
n High efficiency 86% typical
n Low output noise
n Constant frequency
n Industry-standard pinout
n Metal baseplate
n 2:1 input voltage range
n Overtemperature, overvoltage and overcurrent protection
n Negative remote on/off
n Remote sense
n Adjustable output voltage
n ISO* 9001 and ISO 14001 Certified manufacturing facilities
n UL†60950 Recognized, C22.2 No. 60950-00 Certified, and VDE§ 0805 IEC60950 Licensed
n CE mark meets 73/23/EEC and 93/68/EEC directives**
* ISO is a registered trademark of the International Organization for Standardization.
† UL is a registered trademark of Underwriters Laboratories, Inc. CSA is a registered trademark of Canadian Standards Associa-
tion. § VDE is a trademark of Verband Deutscher Elektrotechniker e.V. ** This product is intended for integration into end-use equipment.

All the required procedures for CE marking of end-use equipment should be followed. The CE mark is placed on selected products.

The QHW050G1, QHW075G1, and QHW100G1 Power Modules are dc-dc converters that operate over an input voltage range of 36 Vdc to 75 Vdc and provide a precisely regulated dc output. The outputs are fully isolated from the inputs, allowing versatile polarity configurations and grounding connections. The modules have maximum power ratings from 25 W to 50 W at a typical full-load efficiency of

The sealed modules offer a metal baseplate for excellent thermal performance. Threaded-through holes are provided to allow easy mounting or addition of a heat sink for high-temperature applications. The standard feature set includes remote sensing, output trim, and remote on/off for convenient flexibility in distributed power applications.

QHW050G1, QHW075G1, and QHW100G1 Power Modules dc-dc Converters 36 to 75 Vdc Input, Vdc Output 25 W to 50

Data Sheet April 2008

Absolute Maximum Ratings

Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operations sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect device reliability.

Parameter

Input Voltage Continuous Transient 100 ms

Operating Case Temperature See Thermal Considerations section.

Storage Temperature

I/O Isolation Voltage for 1 minute

VI, trans

Tstg
80 100
125 1500
The temperature at this location should not exceed 100 °C. 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 case temperature of the power modules is 100 °C, you can limit this temperature to a lower value for extremely high reliability.

Heat Transfer Without Heat Sinks

Increasing airflow over the module enhances the heat transfer via convection. Figures 23 and 24 show the maximum power that can be dissipated by the module without exceeding the maximum case temperature versus local ambient temperature TA for natural convection through 3 m/s 600 ft./min. .

Note that the natural convection condition was measured at m/s to m/s 10 ft./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. The use of Figure 23 is shown in the following example.

Example

What is the minimum airflow necessary for a QHW100G1 operating at VI = 48 V, an output current of 20 A, transverse orientation, and a maximum ambient temperature of 55 °C?

Solution

Given VI = 48 V IO = 20 A TA = 40 °C

Determine PD Use Figure 27 PD = W

Determine airflow v Use Figure 23 v = m/s 300 ft./min.
20 m/s 600 ft./min.
m/s 400 ft./min.
m/s 200 ft./min.
m/s 20 ft./min.

NATURAL

CONVECTION

POWER DISSIPATION, PD W
0 10 20 30 40 50 60 70 80 90 100 LOCAL AMBIENT TEMPERATURE, TA °C
8-2321 F

Figure Forced Convection Power Derating with No Heat Sink Transverse Orientation

Lineage Power

Data Sheet April 2008

QHW050G1, QHW075G1, and QHW100G1 Power Modules dc-dc Converters 36 to 75 Vdc Input, Vdc Output 25 W to 50 W

Thermal Considerations continued Heat Transfer Without Heat Sinks continued
20 m/s 600 ft./min.
m/s 400 ft./min.
m/s 200 ft./min.
m/s 20 ft./min.

NATURAL

CONVECTION

POWER DISSIPATION, PD W
0 10 20 30 40 50 60 70 80 90 100 LOCAL AMBIEMT TEMPERATURE, TA °C
8-2318 F .a

Figure Forced Convection Power Derating with No Heat Sink Longitudinal Orientation

POWER DISSIPATION, PD W

VI = 75 V

VI = 48 V VI = 36 V
2345678 OUTPUT CURRENT, IO A
1-0063

Figure QHW050G1 Power Dissipation vs. Output Current at 25 °C
Ordering Information

Please contact your Lineage Power Account Manager or Field Application Engineer for pricing and availability.

Table Device Codes

Input Voltage 48 Vdc 48 Vdc 48 Vdc

Output Voltage Vdc

Output Power 25 W 50 W

Output Current
10 A 15 A 20 A

Remote On/Off Logic

Negative

Device Code QHW050G1 QHW075G1 QHW100G1

Comcode
108728494 108446972 108447038

Optional features can be ordered using the suffixes shown in Table To order more than one option, list device codes suffixes in numerically descending order. For example, the device code for a QHW100G1 module with the following option is shown below:

Negative logic and auto-restart after overtemperature, overvoltage, or overcurrent shutdown

QHW100G41

Table Device Options

Option

Short pins mm ± mm in. in.

Case ground pin Short pins mm ± mm
in. ± in. Auto-restart after overtemperature, over-
voltage, or overcurrent shutdown

Device Code Suffix 8

Lineage Power

Data Sheet April 2008

QHW050G1, QHW075G1, and QHW100G1 Power Modules dc-dc Converters 36 to 75 Vdc Input, Vdc Output 25 W to 50 W
Ordering Information continued

Table Device Accessories Accessory
1/4 in. transverse kit heat sink, thermal pad, and screws 1/4 in. longitudinal kit heat sink, thermal pad, and screws 1/2 in. transverse kit heat sink, thermal pad, and screws 1/2 in. longitudinal kit heat sink, thermal pad, and screws
1 in. transverse kit heat sink, thermal pad, and screws 1 in. longitudinal kit heat sink, thermal pad, and screws

Dimensions are in millimeters and inches .

Comcode
848060992 848061008 848061016 848061024 848061032 848061040
1/4 IN.
± ±
1/2 IN.
1 IN.
± ±
8-2473 F

Figure Longitudinal Heat Sink
± ±
± ±
1/4 IN. 1/2 IN. 1 IN.

Figure Transverse Heat Sink
8-2472 F

Lineage Power

QHW050G1, QHW075G1, and QHW100G1 Power Modules dc-dc Converters 36 to 75 Vdc Input, Vdc Output 25 W to 50 W

Data Sheet April 2008

A sia-Pacific Head qu art ers T el +65 6 41 6 4283

World W ide Headq u arters Lin eag e Po wer Co rp oratio n 30 00 Sk yline D riv e, Mes quite, T X 75149, U SA +1-800-526-7819 Outs id e U .S.A +1- 97 2-2 84 -2626 ag ep ower.co m e-m ail tech sup lin ea gep ower.co m

Eu ro pe, M id dle-East an d Afric a He ad qu arters T el +49 8 9 6089 286

Ind ia Head qu arters T el +91 8 0 28411633

Lineage Power reserves the right to make changes to the produc t s or information contained herein without notice. No liability is ass umed as a res ult of their use or applic ation. No rights under any patent acc ompany the sale of any s uc h pr oduct s or information.
2008 Lineage Power Corpor ation, Mesquite, Texas All International Rights Res er ved.

April 2008 FDS01-069EPS Replaces FDS01-068EPS

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived QHW075G71 Datasheet file may be downloaded here without warranties.

Datasheet ID: QHW075G71 645725