FW250A1

FW250A1 Datasheet

FW250A1 and FW300A1 Power Modules dc-dc Converters 36 to 75 Vdc Input, 5 Vdc Output 250 W to 300 W

Part	Datasheet
FW250A1	FW250A1 (pdf)

Related Parts	Information
FW300A1	FW300A1

PDF Datasheet Preview
Data Sheet April 2008 FW250A1 and FW300A1 Power Modules dc-dc Converters 36 to 75 Vdc Input, 5 Vdc Output 250 W to 300 W The FW250A1 and FW300A1 Power Modules use advanced, surface-mount technology and deliver high-quality, compact, dc-dc conversion at an economical price. n Redundant and distributed power architectures n Computer equipment n Communications equipment Options n Heat sinks available for extended operation n Size mm x mm x mm in. x in. x in. n Wide input voltage range n High efficiency 84% typical n Parallel operation with load sharing n Output voltage set-point adjustment trim n Overtemperature protection n Synchronization n Power good signal n Output current monitor n Output overvoltage and overcurrent protection n Remote sense n Remote on/off n Constant frequency n Case ground pin n Input-to-output isolation n ISO* 9001 Certified manufacturing facilities n UL†1950 Recognized, C22.2 No. 950-95 Certified, and VDE 0805 EN60950, IEC950 Licensed n CE mark meets 73/23/EEC and 93/68/EEC directives§ The FW250A1 and FW300A1 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 250 W to 300 W at a typical full-load efficiency of Two or more modules may be paralleled with forced load sharing for redundant or enhanced power applications. The package, which mounts on a printed-circuit board, accommodates a heat sink for high-temperature applications. * 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 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. FW250A1 and FW300A1 Power Modules dc-dc Converters 36 to 75 Vdc Input, 5 Vdc Output 250 W to 300 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 Unit Input Voltage Continuous Transient 100 ms VI, trans I/O Isolation Voltage for 1 minute 1500 Operating Case Temperature See Thermal Considerations section and Figure Storage Temperature Tstg Electrical Specifications Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions. Table Input Specifications Parameter Operating Input Voltage Maximum Input Current VI = 0 V to 75 V : FW250A1 FW300A1 Inrush Transient Input Reflected-ripple Current, Peak-to-peak 5 Hz to 20 MHz, 12 µH source impedance see Figure Input Ripple Rejection 120 Hz Unit II, max II, max mAp-p Fusing Considerations CAUTION This power module is not internally fused. An input line fuse must always be used. This encapsulated power module can be used in a wide variety of applications, ranging from simple stand-alone operation to an integrated part of a sophisticated power architecture. To preserve maximum flexibility, internal fusing is not included however, to achieve maximum safety and system protection, always use an input line fuse. The safety agencies require a normal-blow fuse with a maximum rating of 20 A see Safety Considerations section . Based on the information provided in this data sheet on inrush energy and maximum dc input current, the same type of fuse with a lower rating can be used. Refer to the fuse manufacturer’s data for further information. Lineage Power The temperature at this location should not exceed 100 °C. The maximum case temperature can be limited to a lower value for extremely high reliability. The output power of the module should not exceed the rated power for the module as listed in the Ordering Information table. For additional information about these modules, refer to the Thermal Management for FC- and FW-Series 250 W Board-Mounted Power Modules Technical Note TN96-009EPS . Heat Transfer Without Heat Sinks Derating curves for forced-air cooling without a heat sink are shown in Figures 25 and These curves can be used to determine the appropriate for a given set of operating conditions. For example, if the unit with along its length dissipates 20 W of heat, the correct in a 40 °C environment is m/s 200 ft./min. . Lineage Power Data Sheet April 2008 FW250A1 and FW300A1 Power Modules dc-dc Converters 36 to 75 Vdc Input, 5 Vdc Output 250 W to 300 W Thermal Considerations continued Heat Transfer with Heat Sinks Heat Transfer Without Heat Sinks continued POWER DISSIPATION, PD W 70 m/s 800 ft./min. m/s 700 ft./min. m/s 600 ft./min. m/s 500 ft./min. m/s 400 ft./min. m/s 300 ft./min. m/s 200 ft./min. m/s 100 ft./min. m/s 20 ft./min. NAT. CONV. 10 20 30 40 50 60 70 80 90 100 LOCAL AMBIENT TEMPERATURE, TA °C 8-1315 C Figure Convection Power Derating with No Heat Sink Along Width Transverse Orientation The power modules have through-threaded, M3 x mounting holes, which enable heat sinks or cold plates to be attached to the module. The mounting torque must not exceed N-m 5 in.-lb. . For the 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 mod- ule thermal resistance is as the maximum case temperature rise max divided by the module power dissipation PD : max -------P-----D-------- TC TA ---------P-----D---------- The location to measure case temperature TC is shown in Figure Case-to-ambient thermal resistance vs. for various heat sink is shown in Figure 27 and Figure These curves were obtained by experimental testing of heat sinks, which are offered in the product catalog. POWER DISSIPATION, PD W m/s 800 ft./min. m/s 700 ft./min. m/s 600 ft./min. m/s 500 ft./min. m/s 400 ft./min. m/s 300 ft./min. m/s 200 ft./min. m/s 100 ft./min. 30 m/s 20 ft./min. NAT. CONV. 10 20 30 40 50 60 70 80 90 100 Ordering Information Table Device Codes Input Voltage 48 V 48 V Output Voltage 5V Output Power 250 W 300 W Device Code FW250A1 FW300A1 8-1650 C Comcode 107356735 107253155 Lineage Power FW250A1 and FW300A1 Power Modules dc-dc Converters 36 to 75 Vdc Input, 5 Vdc Output 250 W to 300 Data Sheet April 2008 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 Dimension are in millimeters and inches . Comcode 847308335 847308327 847308350 847308343 847308376 847308368 847308392 847308384 1/4 IN. 1/2 IN. 1 IN. 1/2 IN. 8-2830 C Figure Longitudinal Heat Sink 1/4 IN. 1/2 IN. 1 IN. 1/2 IN. Figure Transverse Heat Sink 8-2831 C 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 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. April 2008 DS99-318EPS Replaces DS99-317EPS

PDF Datasheet Preview

Data Sheet April 2008

FW250A1 and FW300A1 Power Modules dc-dc Converters 36 to 75 Vdc Input, 5 Vdc Output 250 W to 300 W

The FW250A1 and FW300A1 Power Modules use advanced, surface-mount technology and deliver high-quality, compact, dc-dc conversion at an economical price.
n Redundant and distributed power architectures n Computer equipment n Communications equipment

Options
n Heat sinks available for extended operation
n Size mm x mm x mm in. x in. x in.
n Wide input voltage range n High efficiency 84% typical n Parallel operation with load sharing n Output voltage set-point adjustment trim n Overtemperature protection n Synchronization n Power good signal n Output current monitor n Output overvoltage and overcurrent protection n Remote sense n Remote on/off n Constant frequency n Case ground pin n Input-to-output isolation n ISO* 9001 Certified manufacturing facilities n UL†1950 Recognized, C22.2 No. 950-95

Certified, and VDE 0805 EN60950, IEC950 Licensed n CE mark meets 73/23/EEC and 93/68/EEC directives§

The FW250A1 and FW300A1 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 250 W to 300 W at a typical full-load efficiency of

Two or more modules may be paralleled with forced load sharing for redundant or enhanced power applications. The package, which mounts on a printed-circuit board, accommodates a heat sink for high-temperature applications.
* 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 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.

FW250A1 and FW300A1 Power Modules dc-dc Converters 36 to 75 Vdc Input, 5 Vdc Output 250 W to 300

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

Unit

Input Voltage Continuous Transient 100 ms

VI, trans

I/O Isolation Voltage for 1 minute
1500

Operating Case Temperature

See Thermal Considerations section and

Figure

Storage Temperature

Tstg

Electrical Specifications

Unless otherwise indicated, specifications apply over all operating input voltage, resistive load, and temperature conditions.

Table Input Specifications

Parameter Operating Input Voltage Maximum Input Current VI = 0 V to 75 V :

FW250A1 FW300A1 Inrush Transient Input Reflected-ripple Current, Peak-to-peak 5 Hz to 20 MHz, 12 µH source impedance see Figure Input Ripple Rejection 120 Hz

Unit

II, max

II, max
mAp-p

Fusing Considerations

CAUTION This power module is not internally fused. An input line fuse must always be used.

This encapsulated power module can be used in a wide variety of applications, ranging from simple stand-alone operation to an integrated part of a sophisticated power architecture. To preserve maximum flexibility, internal fusing is not included however, to achieve maximum safety and system protection, always use an input line fuse. The safety agencies require a normal-blow fuse with a maximum rating of 20 A see Safety Considerations section . Based on the information provided in this data sheet on inrush energy and maximum dc input current, the same type of fuse with a lower rating can be used. Refer to the fuse manufacturer’s data for further information.

Lineage Power
The temperature at this location should not exceed 100 °C. The maximum case temperature can be limited to a lower value for extremely high reliability. The output power of the module should not exceed the rated power for the module as listed in the Ordering Information table.

For additional information about these modules, refer to the Thermal Management for FC- and FW-Series 250 W Board-Mounted Power Modules Technical Note TN96-009EPS .

Heat Transfer Without Heat Sinks

Derating curves for forced-air cooling without a heat sink are shown in Figures 25 and These curves can be used to determine the appropriate for a given set of operating conditions. For example, if the unit with along its length dissipates 20 W of heat, the correct in a 40 °C environment is m/s 200 ft./min. .

Lineage Power

Data Sheet April 2008

FW250A1 and FW300A1 Power Modules dc-dc Converters 36 to 75 Vdc Input, 5 Vdc Output 250 W to 300 W

Thermal Considerations continued

Heat Transfer with Heat Sinks

Heat Transfer Without Heat Sinks continued

POWER DISSIPATION, PD W
70 m/s 800 ft./min.
m/s 700 ft./min.
m/s 600 ft./min.
m/s 500 ft./min. m/s 400 ft./min.
m/s 300 ft./min.
m/s 200 ft./min.
m/s 100 ft./min.
m/s 20 ft./min. NAT. CONV.
10 20 30 40 50 60 70 80 90 100

LOCAL AMBIENT TEMPERATURE, TA °C
8-1315 C

Figure Convection Power Derating with No Heat Sink Along Width Transverse Orientation

The power modules have through-threaded, M3 x mounting holes, which enable heat sinks or cold plates to be attached to the module. The mounting torque must not exceed N-m 5 in.-lb. . For the 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 mod-
ule thermal resistance is as the maximum case temperature rise max divided by the module
power dissipation PD :
max -------P-----D--------

TC TA ---------P-----D----------

The location to measure case temperature TC is shown in Figure Case-to-ambient thermal resistance vs. for various heat sink is shown in Figure 27 and Figure These curves were obtained by experimental testing of heat sinks, which are offered in the product catalog.

POWER DISSIPATION, PD W
m/s 800 ft./min.
m/s 700 ft./min.
m/s 600 ft./min.
m/s 500 ft./min.
m/s 400 ft./min.
m/s 300 ft./min. m/s 200 ft./min.
m/s 100 ft./min. 30
m/s 20 ft./min. NAT. CONV.
10 20 30 40 50 60 70 80 90 100
Ordering Information

Table Device Codes

Input Voltage 48 V 48 V

Output Voltage 5V

Output Power 250 W 300 W

Device Code FW250A1 FW300A1
8-1650 C

Comcode 107356735 107253155

Lineage Power

FW250A1 and FW300A1 Power Modules dc-dc Converters 36 to 75 Vdc Input, 5 Vdc Output 250 W to 300

Data Sheet April 2008
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

Dimension are in millimeters and inches .

Comcode
847308335 847308327 847308350 847308343 847308376 847308368 847308392 847308384
1/4 IN. 1/2 IN.
1 IN. 1/2 IN.
8-2830 C

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

Figure Transverse Heat Sink
8-2831 C

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 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.

April 2008 DS99-318EPS Replaces DS99-317EPS

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 FW250A1 Datasheet file may be downloaded here without warranties.

Datasheet ID: FW250A1 645654