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FL75R10A Filter Module 75Vdc Input Maximum, 10A Maximum
FEATURES
RoHS Compliant Small size: 25.4mm x 25.4mm x 12.0mm (1.0" x 1.0" x 0.47") Industry standard footprint and pin-out Surface mount or through hole pins 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 - FL75L07 0~75Vdc input, 7A Current Rating
The Delphi series FL75L07 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 7A. It has the industry standard footprint and pin-out. With creative design technology and optimization of component placement, Delphi FL75L07 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_FL75L07_ 11272006
SPECIFICATIONS
GENERAL SPECIFICATIONS
Input voltage, operation Input voltage, continuous Operating temperature Storage temperature Size Typical Typical Typical Typical 0~75V 0~100V -40 ~ 115 -55 ~ 125
OUTPUT SPECIFICATIONS
Common-mode Insertion Loss Differential-mode Insertion Loss 50 circuit, 500 kHz (Typ) 50 circuit, 500 kHz (Typ) 40dB 70dB
(1.0". x 1.0"x 0.47"). 25.4 x 25.4 x 12.0 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
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").
Figure 5: Temperature measurement location The allowed maximum hot spot temperature is defined at 115
FL75L07 A (Standard) Output Current vs. Ambient Temperature and Air Velocity @ Vin = 48V (Either Orientation)
Output Current (A) 8
7
6
5
Natural Convectio
4
100LFM
3
Thermal Derating
2
200LFM
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.
300LFM
1
0 25 35 45 55 65 75 85 Ambient Temperature ()
Figure 6: Output Current vs. Ambient Temperature and Air Velocity @ Vin = 48V (Either Orientation)
FACING PWB
PWB MODULE
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
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APPLICATION
Note: C2 & C3 can be 0.01F to 0.1F. Select the voltage rating to meet input-to-output isolation requirements. C1 should be the recommended value suggested in the power module data sheet.
Figure 7. Recommended schematic when used as the input filter to a high-frequency with open-frame dc-to-dc converter
Note: Avoid routing signals or planes under the power module or the filter module. Please ensure all connections are low impedance.
Figure 8. Recommended layout when used as the input filter to a high-frequency with open-frame dc-to-dc converter
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APPLICATION (Continued)
Note: C2 through C5 can be 0.01F to 0.1F. Select the voltage rating to meet input-to-output isolation requirements. C1 should be the recommended value suggested in the power module data sheet.
Figure 9. Recommended schematic when used as the input filter to a high-frequency with metal-cased dc-to-dc converter
Note: Avoid routing signals or planes under the power module or the filter module. Please ensure all connections are low impedance.
Figure10. Recommended layout when used as the input filter to a high-frequency with metal-cased dc-to-dc converter
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APPLICATION (Continued)
Note: : C2 through C5 and C6 through C9 can be 0.01F to o.1F. Select the voltage rating to meet input-to-output isolation requirements. C1 should be the recommended value suggested in the power module datasheet.
Figure 11. Recommended schematic of filter module with two power modules ( metal -cased )
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Figure 12 shows the experimental result obtained by using this filter module, together with the recommended external components shown in Figures 7 and 8. The Q48SB12025NR A module is one of the Delphi series quarter brick 12V, 25A 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 13. Q48SB12025NR A conducted noise with FL75L07A input filter
MECHANICAL DRAWING
Top View Side View Bottom View
Dimensions are in millimeter Tolerances : x.xx 0.5 mm (0.02 in), x.xxx 0.25 mm (0.010 in)
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PICK AND PLACE LOCATION
SURFACE-MOUNT TAPE & REEL
RECOMMENDED PAD PATTERN (SMD)
Note: Inside this filter module, the components have no voltage polarity. Hence, the input positive (Vin+) and input negative (Vin-) labels could be swaped for the convenience of layout and matching with power module input connected to the filter module, just remember to swap the output labels accordingly as well. Please refer to Figures 8 and 10 for how it is applied.
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LEADED (Sn/Pb) PROCESS RECOMMEND TEMP. PROFILE
2nd Ramp-up temp. Peak temp. 1.0~3.0C /sec. 210~230C 5sec. Pre-heat temp. 140~180C 60~120 sec. Cooling down rate <3C /sec.
250 Temperature (C ) 200 150 100 50
Ramp-up temp. 0.5~3.0C /sec.
Over 200C 40~50sec.
0
60
120 Time ( sec. )
180
240
300
Note: The temperature refers to the pin of filter 7A, measured on the pin 1 (+Vout ) joint.
LEAD FREE (SAC) PROCESS RECOMMEND TEMP. PROFILE
Temp.
Peak Temp. 240 ~ 245
217 200
Ramp down max. 4/sec.
150
Preheat time 100~140 sec. Ramp up max. 3/sec.
Time Limited 90 sec. above 217
25
Time
Note: The temperature refers to the pin of filter 7A, measured on the pin 1 (+Vout ) joint.
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PART NUMBERING SYSTEM
FL
Product Family
FL- Filter
75
Input Voltage
0 ~ 75V
L
Product Series
L - standard
07
Output Current
7A
A
Option Code
A - Standard, SMD pins (7A only)
MODEL LIST
Module Name
FL75L05 A FL75L07 A FL75L10 A FL75L20 A
Input Voltage (max.)
75V 75V 75V 75V
Current Rating (max.)
5A 7A 10A 20A
Size (metric)
25.4 x 25.4 x 10.2 mm 25.4 x 25.4 x 12.0 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. 1.0 in. x 1.0 in. x 0.47 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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