GE Critical Power FLTR100V20 Filter Module 75 Vdc Input Maximum, 20 A Maximum RoHS Compliant The FLTR100V20 Filter Module is designed to handle high-power levels J series power modules. When used designed to reduce the in low- profile packages, have high in conjunction with the recommended conducted common-mode and interwinding capacitance that can external components and layout, it differential-mode noise on input or increase common-mode current levels. will significantly reduce the conducted output lines of high-frequency switching Also, metal substrates used to facilitate differential and common-mode power supplies. The module has a heat transfer from the power train noise returned to the power source. maximum current rating of 20 A. components to an external heat sink add CISPR and FCC class B requirements It provides high insertion loss throughout to common-mode noise because of the can be met by using the filter as the frequency range regulated by the U.S. large capacitance between switching described in the following sections. Federal Communications Commission components and the metal substrate. (FCC) and the International Special • Common-mode and differential-mode Committee on Radio Interference (CISPR) Many international agencies specify filtering of power supply dc input and for conducted emissions. conducted and radiated emissions output lines The module is 50.8 mm long, limits for electronic products. Included 40.6 mm wide, and 12.7 mm high • Communication equipment among these are CISPR, FCC, VCCI, (2.0 in. x 1.6 in. x 0.50 in.) and mounts • Computer equipment and the new CE specifications. Most on a PC board in a natural convection agency-conducted noise limits apply • RoHS compliant to or forced-air environment. only to noise currents induced onto Directive 2011/65/EU the ac power lines in finished products. • Compatible in Pb- free or SnPb reflow European Telecommunication Standard environment Instructions (ETSI) are an exception, Introduction • Small size: 50.8 mm x 40.6 mm x 12.7 applying CE requirements to dc supplies High-density power modules are usually mm (2.0 in. x 1.6 in. x 0.50 in.) with cables over three meters long. designed to operate at a high switching Although not required to do so by agency • Optimized for use with high-frequency frequency to reduce the size of the standards, some system designers apply dc-to-dc power modules internal filter components. The small the conducted emissions requirements • Printed-circuit board mountable EMI filters internal to the modules are to subassemblies within the product to often inadequate to meet stringent reduce internal interference between • Operating case temperature range: international EMI requirements. Many subsystems and to reduce the difficulty –40 °C to +100 °C high-density electronic packaging of meeting overall system requirements. • CAN/CSA C22.2 No. 60950-1-07 techniques can increase the noise / UL* 60950-1, Second Edition, conducted onto the modules’ input and dated March 27, 2007; VDE To meet these requirements, external output lines. For example, the close 0805 (EN60950) Licensed filtering of the power module is often proximity of switching components to required. The filter module is a filter that • CE mark meets 73/23/EEC and the input pins increases internal noise has been optimized for use with F and 93/68/EEC directives‡ coupling; and planar transformers, 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 SYMBOL MIN MAX UNIT Input Voltage: VI — 75 Vdc Continuous VI, trans — 100 V Transient (100 ms) Voltage from GND to Either Input Lead (1 minute) — — 2500 Vdc Operating Case Temperature Tc -40 100 °C Storage Temperature* Tstg –55 125 °C Electrical Specifications Unless otherwise indicated, specifications apply over all operating input voltage and temperature conditions. PARAMETER SYMBOL MIN TYP MAX UNIT Resistance per Leg R — — 6.6 mΩ Maximum Average Current I max — — (TA = 48 °C, 2.0 m/s (400 lfm) air) 20 A I max — — Natural convection 13 A Common-mode Insertion Loss — — 32 — dB (50 Ω circuit, 500 kHz) Differential-mode Insertion Loss — — 36 — dB (50 Ω circuit, 500 kHz) 2 Filter Modules Datasheet | www.gecriticalpower.com Characteristics Figure 1. Typical Case Temperature Rise vs. Average Current (Case Temperature Must Be Kept Below 100 °C) Figure 3. Typical Differential-Mode Insertion Loss in a 50 Ω Circuit Figure 2. Typical Common-Mode Insertion Loss in a 50 Ω Circuit Filter Modules Datasheet | www.gecriticalpower.com 3 Internal Schematics Figure 4. Internal Schematic Application Conducted noise on the input Common-mode noise is best attenuated module as long as input current does power lines can occur as either by capacitors from power module input not exceed 20 A. Figure 7 shows the differential-mode or common-mode to power module output, capacitors from recommended schematic for two power noise currents. Differential-mode noise each input line to a shield plane (Y caps), modules attached to a single filter. is measured between the two input lines, and common-mode chokes. It is and is found mostly at the low- frequency recommended that ceramic In applications where the addition end of the spectrum. This noise capacitors be added around each of input-to-output capacitors is shows up as noise at the fundamental power module from each input and undesirable, do not use C3 and C4 shown switching frequency and its harmonics. output pin to a shield plane under in Figures 5 and 6, and do not use C3, Common-mode noise is measured the module. The shield plane should C4, C8, and C9 shown in Figure 7. between the input lines and ground be connected to the CASE pin. and is mostly broadband noise above 10 MHz. The high-frequency nature of In –48 V applications where the shield The GND pin of the filter module is common-mode noise is mostly due to plane and the power module case attached to Y caps within the module. the high-speed switching transitions must be tied to a signal, remove C1 in This pin should be tied to a quiet chassis of power train components. Either or Figures 5 and 6, remove C1 and C6 in ground point away from the power both types of noise may be covered in a Figure 7, and connect the shield plane modules. GND of the filter module should specification, as well as a combination and CASE pin to the VI(+) plane. not be tied to the CASE pin of the power of the two. An approved measurement module since this is a noisy node and technique is often described, as well. will inject noise into the filter, increasing In +48 V applications where the shield the input common-mode noise. plane and the power module case Differential-mode noise is best must be tied to a signal, remove C2 in attenuated using a filter composed of Figures 5 and 6, remove C2 and C7 in If no quiet grounding point is available, line-to-line capacitors (X caps) and series Figure 7, and connect the shield plane it is best to leave the filter module GND inductance, provided by either a discrete and CASE pin to the VI(–) plane. pin unattached. Each power system inductor or the leakage inductance of design will be different, and some a common-mode choke. In addition to experimentation may be necessary the differential filtering provided by the to arrive at the best configuration. filter module, it is recommended that an electrolytic capacitor be located at the converter side of the filter to provide Figure 5 shows a typical schematic additional attenuation of low-frequency of a power module with a filter differential noise and to provide a low module and recommended external source impedance for the converter. components. Figure 6 is a proposed This prevents input filter oscillations and layout. More than one power module load-transient induced input voltage dips. may be attached to a single filter 4 Filter Modules Datasheet | www.gecriticalpower.com Application (continued) Figure 5. Recommended Schematic When Used as the Input Filter to a High-Frequency dc-to-dc Converter Figure 6. Recommended Layout When Used as the Input Filter to a High-Frequency dc-to-dc Converter Filter Modules Datasheet | www.gecriticalpower.com 5 Application (continued) Figure 7. Recommended Schematic of Filter Module with Two Power Modules 6 Filter Modules Datasheet | www.gecriticalpower.com Thermal Considerations The case temperature must be kept The fundamental switching frequency decreasing the noise coupled from below 100 °C. Therefore for a particular noise spike can be somewhat reduced output leads to input leads. current and ambient temperature, the by adding a high-frequency capacitor Common-mode output filtering is airflow at the filter must be adequate. of a few microfarads across the particularly important if the load is input lines of the filter module. tied to chassis ground. Example: If common-mode filtering is added to Given: IO, max = 18 A; TA, max = 40 °C the power module output, ensure that Adding additional components to the Therefore ýT, max allowable = 60 °C remote-sense leads sense the output input filter to improve performance Determine airflow required (Figure 1): voltage before the common-mode filter. usually has very limited payback, v = 1.0 m/s (200 lfm) Do not use remote-sense on the load and may actually increase the noise side of an output common-mode filter. conducted onto the input lines. Adding Y caps to the input side of the filter module couples any noise in the If input noise performance is Other Considerations ground plane directly into the input unsatisfactory after applying the filter It is essential for good EMI performance lines, usually degrading performance. module as described previously, the that the input lines not be contaminated best remedy is to modify the layout and with noise after passing through the filter. grounding scheme. It is often useful Filtered input traces should therefore Adding additional X and Y caps to the to make a model of the power card, be kept away from noise sources such power module side of the filter module using copper tape and a vector card, as power modules and switching logic produces low- impedance loops for to experiment with various layout lines. If input voltage sense traces must high-frequency currents to flow, and grounding approaches prior to be routed past the power modules from possibly degrading performance. committing to a printed-wiring board. the quiet side of the filter module, they Adding additional common-mode or should be filtered at the point where differential-mode filtering to the power they leave the quiet input lines. Input module output leads decreases the traces should be kept as far away from power module output noise, and also output power traces as possible. frequently reduces the input noise by Filter Modules Datasheet | www.gecriticalpower.com 7 Outline Diagram Dimensions are in millimeters and (inches). Tolerances: x.x ± 0.5 mm (0.02 in.), x.xx ± 0.25 mm (0.010 in.). Top View Side View Bottom View Filter Modules Datasheet | www.gecriticalpower.com 8 Recommended Hole Pattern Component-side footprint. Dimensions are in millimeters and (inches). Note: Do not route copper paths beneath power module standoffs. Post Solder Cleaning and Through-Hole Lead Free Drying Considerations Soldering Information Post solder cleaning is usually the final circuit-board The RoHS-compliant through-Hole products use the assembly process prior to electrical board testing. SAC(Sn/Ag/Cu) Pb-free solder and RoHS- compliant The result of inadequate cleaning and drying can affect components. They are designed to be processed through both the reliability of a power module and the testability single or dual wave soldering machines. The pins have an of the finished circuit-board assembly. For guidance on RoHS-compliant finish that is compatible with both Pb and appropriate soldering,cleaning and drying procedures, Pb-free wave soldering processes. A Maximum preheat rate refer to Lineage Power Board Mounted Power 30C/s is suggested. The wave preheat process should be such Modules: Soldering and Cleaning Application Note. that the temperature of the power module board is kept below 2100C. For Pb solder, the recommended pot temperature is 2600C, while the Pb-free solder pot is 2700C max. Not all RoHS-compliant through-hole products can be processed with paste-through-hole Pb or Pb-free reflow process. If additional information is needed, please consult with your Tyco Electronics Power System representative for more details. Filter Modules Datasheet | www.gecriticalpower.com 9 Ordering Information DEVICE CODE COMCODE DESCRIPTION FLTR100V20Z CC109103248 Standard Pin Length RoHS Compliant * UL is a registered trademark of Underwriters Laboratories, Inc. †CSA is a registered trademark of Canadian Standards Assn. GE ‡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.) Critical Power 601 Shiloh Road *Registered trademark of the General Electric Company. The GE brand, logo, and lumination are trademarks of the General Electric Company. © 2015 General Electric Company. Plano, TX 75074 Information provided is subject to change without notice. All values are design or typical values when measured under laboratory conditions. +1 888 546 3243 www.gecriticalpower.com 04/2015