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FL75R10A Filter Module 75Vdc Input Maximum, 10A Maximum
FEATURES
ROHS Compliant Small size: 25.4mm x 25.4mm x 10.2mm (1.0" x 1.0" x 0.4") Industry standard footprint and pin-out Optimized for use with high frequency board mounted DC/DC converters Printed-circuit board mountable ISO 9001, TL 9000, ISO 14001, QS 9000, OHSAS 18001 certified manufacturing facility UL/cUL 60950 (US & Canada) Recognized, VDE 0805 (IEC60950) Licensed
Delphi Series Filter Module - FL75L05 A 75Vdc input, 5A current Rating
The Delphi series FL75L05 A filter module is the latest offering from a world leader in power systems technology and manufacturing - Delta Electronics, Inc. This filter module is designed to reduce the conducted common-mode and differential-mode noise on input or output lines of high-frequency switching power supplies and has a maximum current rating of 5A. It has the industry standard footprint and pin-out. With creative design technology and optimization of component placement, Delphi FL75L05 A filter module possesses outstanding electrical and thermal performance, as well as extremely high reliability under highly stressful operating conditions.
APPLICATIONS
Common-mode and differential-mode filtering of power supply dc input and output line Computer application Communications equipment
DATASHEET DS_FL75L05_ 10172005
SPECIFICATIONS
GENERAL SPECIFICATIONS
Input voltage, continuous Input voltage, transient Typical Typical 0~75V 100V -40J -55J ~ 120J ~ 125J Output current Output current Common-mode Insertion Loss
OUTPUT SPECIFICATIONS
Ta=75C, no airflow Ta=85C, no airflow 50[ circuit, 500 kHz (Typ) circuit, 500 kHz (Typ) 5A 4A 43dB 45dB
Operation case temperature Typical Storage temperature Size Typical
Differential-mode Insertion Loss 50[
(1.0". x 1.0"x 0.4"). 25.4 x 25.4 x 10.2 mm
ELECTRICAL CHARACTERISTICS CURVES
Figure 1: Typical common-mode insertion loss in a 50[
circuit
Figure 2: Typical differential-mode insertion loss in a 50[ circuit
Internal Schematics
Figure 3: Internal schematics
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THERMAL CONSIDERATIONS
Thermal management is an important part of the system design. To ensure proper, reliable operation, sufficient cooling of the power module is needed over the entire temperature range of the module. Convection cooling is usually the dominant mode of heat transfer. Hence, the choice of equipment to characterize the thermal performance of the power module is a wind tunnel.
THERMAL CURVES
OUT
GND OUT
(0.6in) 15mm
Natural Convection
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Thermal Testing Setup
Delta's filter modules are characterized in heated vertical wind tunnels that simulate the thermal environments encountered in most electronics equipment. This type of equipment commonly uses vertically mounted circuit cards in cabinet racks in which the power modules are mounted. The following figure shows the wind tunnel characterization setup. The filter module is mounted on a test PWB and is vertically positioned within the wind tunnel. The space between the neighboring PWB and the top of the power module is 6.35mm (0.25").
7mm (0.275in)
Figure 5: Temperature measurement location The allowed maximum hot spot temperature is defined at 120J
Output Current(A)
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FL75L05 (Standard) Output Current vs. Ambient Temperature and Air Velocity @ Vin = 48V (Either orientation)
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Thermal Derating
Heat can be removed by increasing airflow over the module. Figure 4 shows maximum output is a function of ambient temperature and airflow rate. To enhance system reliability, the power module should always be operated below the maximum operating temperature. If the temperature exceeds the maximum module temperature, reliability of the unit may be affected.
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100LFM
2
1
0 50 55 60 65 70 75 80 85 Ambient Temperature (J )
FACING PWB
PWB MODULE
Figure 6: Output Current vs. Ambient Temperature and Air Velocity @ Vin = 48V (Either Orientation)
AIR VELOCITY AND AMBIENT TEMPERATURE MEASURED BELOW THE MODULE
AIR FLOW
50.8 (2.0")
10 (0.4") Note: Wind Tunnel Test Setup Figure Dimensions are in millimeters and (Inches)
Figure 4: Wind tunnel test setup figure dimensions are in millimeters and (inches).
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APPLICATION
Note: C2 through C5 can be 0.01g F to o.1g F. Select the voltage rating to meet input-to-output isolation requirements. C1 should be the recommended value indicated in the power module data sheet.
Figure 7. Recommended schematic when used as the input filter to a high-frequency dc-to-dc converter
Note: Vdc input(+) and Vdc input(-) planes should overlay each other, as should the Vi(+) and Vi(-) planes, as should the Vout(+) and Vout(-) planes. Avoid routing signals or planes under the power module or the filter module. Ensure all connections are low impedance.
Figure 8. Recommended layout when used as the input filter to a high-frequency dc-to-dc converter
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APPLICATION (Continued)
Note: : C2 through C5 and C6 through C9 can be 0.01g F to o.1g F. Select the voltage rating to meet input-to-output isolation requirements. C1 should be the recommended value indicated in the power module datasheet.
Figure 9. Recommended schematic of filter module with two power modules
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Figure 10 shows the experimental result obtained by using this filter module, together with the recommended external components shown in Figures 5 and 6. The Q48SR3R335NR module is one of the Delphi series quarter brick 3.3V, 35A DCDC converters. Measured noise is greatly dependent on layout, grounding, cable orientation, and load characteristics and the variation is possible from various application conditions.
Figure 10. Q48SR3R335NR A conducted noise with FL75L05 input filter
MECHANICAL DRAWING
Top View Side View Bottom View
Dimensions are in millimeter and (inches). Tolerances : x.xx O 0.5 mm (0.02 in), x.xxx O 0.25 mm (0.010 in)
RECOMMENDED HOLE PATTERN
Dimensions are in millimeter and (inches). Tolerances : x.xx O 0.5 mm (0.02 in), x.xxx O 0.25 mm (0.010 in)
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PART NUMBERING SYSTEM
FL
Product Family
FL- EMI Filter
75
Input Voltage
75- 0 ~ 75V
L
Product Series
L - Industry standard
05
Output Current
05 - 5A
A
Space Option Code
A - Standard Functions
MODEL LIST
Module Name
FL75L05 A FL75L10 A FL75L20 A
Input Voltage (max.)
75V 75V 75V
Current Rating (max.)
5A 10A 20A
Size (metric)
25.4 x 25.4 x 10.2 mm 50.8 x 27.9 x 12.5 mm 50.8 x 40.6 x 12.7 mm
Size (English unit)
1.0 in. x 1.0 in. x 0.4 in. 2.0 in. x 1.1 in. x 0.5 in. 2.0 in. x 1.6 in. x 0.5 in.
CONTACT: www.delta.com.tw/dcdc
USA: Telephone: East Coast: (888) 335 8201 West Coast: (888) 335 8208 Fax: (978) 656 3964 Email: DCDC@delta-corp.com Europe: Telephone: +41 31 998 53 11 Fax: +41 31 998 53 53 Email: DCDC@delta-es.tw Asia & the rest of world: Telephone: +886 3 4526107 ext 6220 Fax: +886 3 4513485 Email: DCDC@delta.com.tw
WARRANTY
Delta offers a two (2) year limited warranty. Complete warranty information is listed on our web site or is available upon request from Delta. Information furnished by Delta is believed to be accurate and reliable. However, no responsibility is assumed by Delta for its use, nor for any infringements of patents or other rights of third parties, which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Delta. Delta reserves the right to revise these specifications at any time, without notice.
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