JFC100C1

JFC100C1 Datasheet


JFC050C, JFC075C, JFC100C Power Modules dc-dc Converters 18 to 36 Vdc Input 15 Vdc Output 50 W to 100 W

Part Datasheet
JFC100C1 JFC100C1 JFC100C1 (pdf)
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Data Sheet April 2008

JFC050C, JFC075C, JFC100C Power Modules dc-dc Converters 18 to 36 Vdc Input 15 Vdc Output 50 W to 100 W

The JFC-Series Power Modules use advanced, surfacemount technology and deliver high-quality, efficient, compact dc-dc conversion.
n Redundant and/or distributed power architectures n Workstations n Computer equipment n Communications equipment

Options
n Heat sinks available for extended operation n Choice of primary remote on/off logic configura-
tions n Delayed current-limit shutdown

The JFC-Series Power Modules are dc-dc converters that operate over an input voltage range of 18 Vdc to 36 Vdc and provide a precisely regulated dc output. The output is fully isolated from the input, allowing versatile polarity configurations and grounding connections. The modules have maximum power ratings from 50 W to 100 W at typical full-load efficiencies of

The sealed modules have metal baseplates for excellent thermal performance. Threaded-through holes are provided for easy mounting or adding a heat sink for high-temperature applications. Listed above are the enhanced features for convenience and flexibility in redundant and/or distributed power applications.
n Small size mm x mm x mm in. x in. x in.
n High power density n High efficiency 85% typical n Low output noise n Constant frequency n Metal baseplate n 2:1 input voltage range n Anti-rollback circuit n Overcurrent protection n Primary and secondary remote on/off n Remote sense n Output voltage set-point adjustment n Output overvoltage protection n Synchronization n Forced load sharing parallelable n Output current monitor n Current-limit set-point adjustment n Overtemperature protection n Power good signal n Thermal warning signal n Adjustable output voltage n Case ground pin n ISO* 9001 Certified manufacturing facilities n UL†1950 Recognized, C22.2 No. 950-95

Certified, and VDE 0805 EN60950, IEC950 Licensed
* ISO is a registered trademark of the International Organization of Standardization.
† UL is a registered trademark of Underwriters Laboratories, Inc. CSA is a registered trademark of Canadian Standards Assn.

JFC050C, JFC075C, JFC100C Power Modules dc-dc Converters 18 to 36 Vdc Input, 15 Vdc Output 50 W to 100 W

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

I/O Isolation Voltage for 1 minute
1500

Operating Case Temperature See Thermal Considerations section.

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 IO = IO, max JFC050C JFC075C JFC100C See Figure

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

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.
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.

JFC050C, JFC075C, JFC100C Power Modules dc-dc Converters 18 to 36 Vdc Input, 15 Vdc Output 50 W to 100 W

Data Sheet April 2008

Thermal Considerations continued

Introduction continued

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

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 4 m/s 800 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 this power module may be used typically generate a natural convection airflow rate of m/s 60 ft./min. due to other heat dissipating components in the system. The use of Figure 19 is shown in the following example.

Example

What is the minimum airflow necessary for a JFC100C operating at VI = 28 V, an output current of A, and a maximum ambient temperature of 40 °C?

Solution

Given VI = 28 V IO = A TA = 40 °C

Determine PD Use Figure

PD = W

Determine airflow v Use Figure
v = m/s 350 ft./min.

POWER DISSIPATION, PD W
m/ s800 ft./min
m/ s700 ft./min
m/ s600 ft./min
m /5s00 ft./min
m /4s00 ft./min
m/ s300 ft./min
m/ s200 ft./min
m/ s100 ft./min
m/s NAT. CONV.
20 ft./min.
0 10 20 30 40 50 60 70 80 90 100

LOCAL AMBIENT TEMPERATURE, TA
8-1150 C .a

Figure Forced Convection Power Derating with No Heat Sink Either Orientation

POWER DISSIPATION, PD W

VI = 36 V

VI = 28 V

VI = 18 V

OUTPUT CURRENT, IO A
8-1782 C

Figure JFC050C Power Dissipation vs. Output Current at 25 °C

Lineage Power

Data Sheet April 2008
Ordering Information

Table Device Codes

Input Voltage
28 V 28 V 28 V 28 V 28 V 28 V

Output Voltage V

Output Power 50 W 75 W 100 W 50 W 75 W 100 W

Remote On/Off Logic

Negative Positive

Device Code JFC050C1 JFC075C1 JFC100C1 JFC050C JFC075C JFC100C

Data Sheet April 2008

Comcode TBD
108008947 TBD

Optional features can be ordered using the suffixes shown in Table The suffixes follow the last letter of the device code and are placed in descending order. For example, the device codes for a JFC100C module with the following options are shown below:

Positive logic Negative logic Negative logic and delayed current-limit shutdown

JFC100C3 JFC100C31 JFC100C1

Table Device Options

Option

Negative remote on/off logic and no delayed current-limit shutdown

Positive remote on/off logic and no delayed current-limit shutdown

Negative remote on/off logic and delayed current-limit shutdown

Suffix 31 3 1

Lineage Power

JFC050C, JFC075C, JFC100C Power Modules dc-dc Converters 18 to 36 Vdc Input, 15 Vdc Output 50 W to 100 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

Comcode
407243989 407243997 407244706 407244714 407244722 407244730 407244748 407244755

Dimensions are in millimeters and inches .

Data Sheet April 2008
1/4 IN. 1/2 IN.
1 IN. 61
1/2 IN.
8-2832 C

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

Figure Transverse Heat Sink
8-2833 C

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

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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 DS99-131EPS Replaces DS97-466EPS
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Datasheet ID: JFC100C1 645678