JBW050A

JBW050A Datasheet

JBW050A Power Modules dc-dc Converter 36 to 75 Vdc Input, 5 Vdc Output 50 W

Part	Datasheet
JBW050A	JBW050A (pdf)

Related Parts	Information
JBW050A1	JBW050A1

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Data Sheet March 27, 2008 JBW050A Power Modules dc-dc Converter 36 to 75 Vdc Input, 5 Vdc Output 50 W The JBW050A Power Module use advanced, surface-mount technology and deliver high-quality, efficient, and compact dc-dc conversion. n Distributed power architectures n Workstations n Computer equipment n Communications equipment Options n Heat sinks available for extended operation n Choice of remote on/off logic configuration n Approved for basic insulation -B suffix n Short Pins n Small size mm x mm x mm in. x in. x in. n High power density n High efficiency 84% typical n Low output noise n Constant frequency n Industry-standard pinout n Metal case n 2:1 input voltage range n Overtemperature protection n Overcurrent and overvoltage protection n Remote sense n Remote on/off n Adjustable output voltage 60% to 110% of VO, nom n Case ground pin n ISO9001 Certified manufacturing facilities n UL* 60950 Recognized, CSA† C22.2 No. 60950- 00 Certified, and EN 60950 VDE0805 :2001-12 Licensed n CE mark meets 73/23/EEC and 93/68/EEC * UL is a registered trademark of Underwriters Laboratories, Inc. † CSA is a registered trademark of Canadian Standards Assn. 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 JBW050A Power Module is a dc-dc converter that operates over an input voltage range of 36 Vdc to 75 Vdc and provides a precisely regulated 5 Vdc output. The output is fully isolated from the input, allowing a versatile polarity configuration and grounding connections. The module has a maximum power rating of 50 W at a typical full-load efficiency of The modules are DC board-mountable and encapsulated in metal cases. 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. JBW050A Power Modules dc-dc Converter 36 to 75 Vdc Input, 5 Vdc Output 50 W Data Sheet March 27, 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 I/O Isolation Voltage Operating Case Temperature See Thermal Considerations section. Storage Temperature VI, trans Tstg 75 100 1500 100 Unit Vdc V The maximum temperature per Figure 17 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 90 °C to 100 °C, you can limit this temperature to a lower value for extremely high reliability. Note that although the maximum case temperature allowed is lower than 100 °C under some conditions, this modules derating is equivalent to or better than the JW050A. At full load, the JW050A power module has a higher case temperature rise than the JBW050A. For additional information on these modules, refer to the Thermal Management JC-, JFC-, JW-, and JFWSeries 50 W to 150 W Board-Mounted Power Modules Technical Note TN97-008EPS . Lineage Power Data Sheet March 27, 2008 JBW050A Power Modules dc-dc Converter 36 to 75 Vdc Input, 5 Vdc Output 50 W Thermal Considerations continued Heat Transfer Without Heat Sinks Increasing airflow over the module enhances the heat transfer via convection. Figure 19 shows 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 can typically generate natural convection airflow rates of m/s 60 ft./min. due to other heat dissipating components in the system. The use of 19 is shown in the following example. Example What is the minimum airflow necessary for a JBW050A operating at VI = 54 V, an output current of 10 A, and a maximum ambient temperature of 70 °C? Solution Given VI = 54 V IO = 10 A TA = 70 °C Determine PD Use Figure 18 : PD = W Determine airflow v Use Figure 19 : v = m/s 200 ft./min. POWER DISSIPATION, PD W VI = 75 V VI = 48 V VI = 36 V OUTPUT CURRENT, IO A 1-0697 Figure Power Dissipation vs. Output Current POWER DISSIPATION, PD W MAX CASE TEMP m/s 600 ft./min. m/s 400 ft./min. m/s 200 ft./min. m/s 100 ft./min. m/s 50 ft./min. NATURAL CONVECTION LOCAL AMBIENT TEMPERATURE, TA 120 1-0705 Figure Forced Convection Power Derating with No Heat Sink Either Orientation Heat Transfer with Heat Sinks The power modules have through-threaded, M3 x mounting holes, which enable heat sinks or cold plates to attach to the module. The mounting torque must not exceed N-m 5 in.-lb. . For a screw attachment from the pin side, the recommended hole size on the customer’s PWB around the mounting holes is ± inches. If a larger hole is used, the mounting torque from the pin side must not exceed N-m in.-lb. . Thermal derating with heat sinks is expressed by using the overall thermal resistance of the module. Total module thermal resistance is defined as the maximum case temperature rise max divided by the module power dissipation PD : The location to measure case temperature TC is shown in Figure Case-to-ambient thermal resistance vs. airflow is shown, for various heat sink configurations and heights, in Figure These curves were obtained by experimental testing of heat sinks, which are offered in the product catalog. Ordering Information Table Device Codes Input Voltage 48 V 48 V Output Voltage Output Power 50 W 50 W Remote On/Off Logic Negative Positive Device Code JBW050A1 JBW050A 8-1945a Comcode 108975426 108966060 Table Device Options Option* Short pins mm ± mm in. ± in. Approved for basic insulation Device Code Suffix** 6 * Contact Lineage Power Sales Representatives for availability of these options, samples, minimum order quantity and lead times. ** When adding multiple options to the product code, add suffix numbers in the descending orders. Lineage Power Data Sheet March 27, 2008 JBW050A Power Modules dc-dc Converter 36 to 75 Vdc Input, 5 Vdc Output 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 1/2 in. transverse kit heat sink, thermal pad, and screws 1/2 in. longitudinal kit heat sink, thermal pad, and screws Dimensions are in millimeters and inches . Comcode 407243989 407243997 407244706 407244714 407244722 407244730 407244748 407244755 1/4 IN. 1/2 IN. 1 IN. 1/2 IN. D000c Figure Longitudinal Heat Sink Figure Transverse Heat Sink D000-d.cvs Lineage Power JBW050A Power Modules dc-dc Converter 36 to 75 Vdc Input, 5 Vdc Output 50 W Data Sheet March 27, 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 rive, Mesquite, 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 Tel +49 8 9 6089 286 Ind ia Head qu arters Tel +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. March 27, 2008 FDS02-039EPS Replaces ADS02-012EPS

PDF Datasheet Preview

Data Sheet March 27, 2008

JBW050A Power Modules dc-dc Converter 36 to 75 Vdc Input, 5 Vdc Output 50 W

The JBW050A Power Module use advanced, surface-mount technology and deliver high-quality, efficient, and compact dc-dc conversion.
n Distributed power architectures n Workstations n Computer equipment n Communications equipment

Options
n Heat sinks available for extended operation n Choice of remote on/off logic configuration n Approved for basic insulation -B suffix n Short Pins
n Small size mm x mm x mm in. x in. x in.
n High power density
n High efficiency 84% typical
n Low output noise
n Constant frequency
n Industry-standard pinout
n Metal case
n 2:1 input voltage range
n Overtemperature protection
n Overcurrent and overvoltage protection
n Remote sense
n Remote on/off
n Adjustable output voltage 60% to 110% of VO, nom
n Case ground pin
n ISO9001 Certified manufacturing facilities n UL* 60950 Recognized, CSA† C22.2 No. 60950-
00 Certified, and EN 60950 VDE0805 :2001-12 Licensed
n CE mark meets 73/23/EEC and 93/68/EEC
* UL is a registered trademark of Underwriters Laboratories, Inc. † CSA is a registered trademark of Canadian Standards Assn. 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 JBW050A Power Module is a dc-dc converter that operates over an input voltage range of 36 Vdc to 75 Vdc and provides a precisely regulated 5 Vdc output. The output is fully isolated from the input, allowing a versatile polarity configuration and grounding connections. The module has a maximum power rating of 50 W at a typical full-load efficiency of

The modules are DC board-mountable and encapsulated in metal cases. 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.

JBW050A Power Modules dc-dc Converter 36 to 75 Vdc Input, 5 Vdc Output 50 W

Data Sheet March 27, 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

I/O Isolation Voltage

Operating Case Temperature See Thermal Considerations section.

Storage Temperature

VI, trans

Tstg
75 100 1500 100

Unit

Vdc V
The maximum temperature per Figure 17 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 90 °C to 100 °C, you can limit this temperature to a lower value for extremely high reliability.

Note that although the maximum case temperature allowed is lower than 100 °C under some conditions, this modules derating is equivalent to or better than the JW050A. At full load, the JW050A power module has a higher case temperature rise than the JBW050A.

For additional information on these modules, refer to the Thermal Management JC-, JFC-, JW-, and JFWSeries 50 W to 150 W Board-Mounted Power Modules Technical Note TN97-008EPS .

Lineage Power

Data Sheet March 27, 2008

JBW050A Power Modules dc-dc Converter 36 to 75 Vdc Input, 5 Vdc Output 50 W

Thermal Considerations continued

Heat Transfer Without Heat Sinks

Increasing airflow over the module enhances the heat transfer via convection. Figure 19 shows 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 can typically generate natural convection airflow rates of m/s 60 ft./min. due to other heat dissipating components in the system. The use of 19 is shown in the following example.

Example

What is the minimum airflow necessary for a JBW050A operating at VI = 54 V, an output current of 10 A, and a maximum ambient temperature of 70 °C?

Solution

Given VI = 54 V IO = 10 A TA = 70 °C

Determine PD Use Figure 18 :

PD = W

Determine airflow v Use Figure 19 :
v = m/s 200 ft./min.

POWER DISSIPATION, PD W

VI = 75 V

VI = 48 V

VI = 36 V

OUTPUT CURRENT, IO A
1-0697

Figure Power Dissipation vs. Output Current

POWER DISSIPATION, PD W

MAX CASE TEMP
m/s 600 ft./min.
m/s 400 ft./min.
m/s 200 ft./min.
m/s 100 ft./min. m/s 50 ft./min.

NATURAL CONVECTION

LOCAL AMBIENT TEMPERATURE, TA
120 1-0705

Figure Forced Convection Power Derating with

No Heat Sink Either Orientation

Heat Transfer with Heat Sinks

The power modules have through-threaded, M3 x mounting holes, which enable heat sinks or cold plates to attach to the module. The mounting torque must not exceed N-m 5 in.-lb. . For a screw attachment from the pin side, the recommended hole size on the customer’s PWB around the mounting holes is ± inches. If a larger hole is used, the mounting torque from the pin side must not exceed N-m in.-lb. .

Thermal derating with heat sinks is expressed by using the overall thermal resistance of the module. Total module thermal resistance is defined as the maximum case temperature rise max divided by the module power dissipation PD :

The location to measure case temperature TC is shown in Figure Case-to-ambient thermal resistance vs. airflow is shown, for various heat sink configurations and heights, in Figure These curves were obtained by experimental testing of heat sinks, which are offered in the product catalog.
Ordering Information

Table Device Codes

Input Voltage
48 V 48 V

Output Voltage

Output Power 50 W 50 W

Remote On/Off Logic

Negative Positive

Device Code JBW050A1 JBW050A
8-1945a

Comcode 108975426 108966060

Table Device Options

Option* Short pins mm ± mm
in. ± in. Approved for basic insulation

Device Code Suffix** 6
* Contact Lineage Power Sales Representatives for availability of these options, samples, minimum order quantity and lead times.
** When adding multiple options to the product code, add suffix numbers in the descending orders.

Lineage Power

Data Sheet March 27, 2008

JBW050A Power Modules dc-dc Converter 36 to 75 Vdc Input, 5 Vdc Output 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 1/2 in. transverse kit heat sink, thermal pad, and screws 1/2 in. longitudinal kit heat sink, thermal pad, and screws

Dimensions are in millimeters and inches .

Comcode
407243989 407243997 407244706 407244714 407244722 407244730 407244748 407244755
1/4 IN. 1/2 IN.
1 IN.
1/2 IN.

D000c

Figure Longitudinal Heat Sink

Figure Transverse Heat Sink

D000-d.cvs

Lineage Power

JBW050A Power Modules dc-dc Converter 36 to 75 Vdc Input, 5 Vdc Output 50 W

Data Sheet March 27, 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 rive, Mesquite, 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 Tel +49 8 9 6089 286

Ind ia Head qu arters Tel +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.

March 27, 2008 FDS02-039EPS Replaces ADS02-012EPS

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 JBW050A Datasheet file may be downloaded here without warranties.

Datasheet ID: JBW050A 645671