INNOVATION EXCELLENCE Filter Modules Models 100Vdc, Dif
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INNOVATION EXCELLENCE
Filter Modules
Models
100Vdc, Differential/Common-Mode Filters
Features
Compatible with most modern switching DC/DC converters Provides both common-mode differential-mode filtering Facilitates compliance with conductedemissions specifications Small size; mountable +100°C (case) operation UL94V-0 rated package material approved Lucent FLTR100V10/20 compatible
Although agency-imposed conducted-emissions standards targeted system-level designs, designers often apply these standards component level ensure system-level compliance. those DC/DC converters that meet these standards, DATEL offers FLT-100V Series filters. When used with recommended external capacitors, this family filters significantly reduces both common-mode differential emissions injected back power source. These rugged filters packaged non-conductive, UL94V-0 rated, 0.5" (FLT-100V10) 1.6" 0.5" (FLT-100V20) packages. Components coated with humidity-sealing conformal coating then encapsulated with thermally conductive potting compound providing outstanding moisture/vibration resistance. Both filters rated 100Vdc differential input voltage internally bypassed with telecom/datacom preferred mylar, self-healing, 100Vdc rated capacitor. Input-to-GND Output-to-GND isolation voltages guaranteed 1500Vdc. Inductor copper losses trace losses minimized attain Input-to-Output resistance 9.5m FLT-100V10 4.8m FLT100V20 when measured +25°C. Both Filters fully characterized 20MHz both common-mode differential-mode dynamic insertion losses. FLT-100V series filters approved.
+INPUT
+OUTPUT
-INPUT
-OUTPUT
GROUND +INPUT +INPUT
Model FLT-100V10
+OUTPUT +OUTPUT
-INPUT -INPUT GROUND
-OUTPUT -OUTPUT
Model FLT-100V20
Figure Simplified Schematics
DATEL, Inc., Mansfield, 02048 (USA) Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356 Email: sales@datel.com Internet: www.datel.com
Series
Resistance Typ. max.)
Performance Specifications Ordering Guide
(Volts, max.)
Model
FLT-100V10 FLT-100V20
Average current (Amps max.)
Common-Mode Insertion Loss (dB, typ.)
Differential-Mode Insertion Loss Typ.)
Package (Case, Pinout)
Specifications +25°C unless otherwise noted. load 500kHz.
100V10
Filter Module Series
suffix desired
Part Number Suffixes
FLT-100V series offer shorter pins than those shown mechanical specifications drawing. Suffix Short pins: 0.110" (+0.015/-0.010) Suffix Short pins: 0.145" (+0.015/-0.010)
100V10 Volt input rating 100V20 Volt input rating
Model FLT-100V10
2.00 (50.80) PLASTIC CASE 0.48 (12.19)
Model FLT-100V20
2.00 (50.80) PLASTIC CASE 0.48 (12.19) STANDOFF 0.020 (0.51) 0.20 (5.08)
Case
Case
STANDOFF 0.020 (0.51)
0.20 (5.08)
0.031 ±0.001 DIA. (0.787 ±0.025) 1.700 (43.18) 0.475 (12.07) 0.15 (3.81)
0.040 ±0.001 DIA. (10.16 ±0.025) 1.700 (43.18) 0.700 (17.78) 0.15 (3.81)
0.25 (6.35)
0.750 (19.05) 1.00 (25.40) 0.600 (15.24) 0.200 (5.08)
0.10 (2.54)
0.600 (15.24) 0.200 (5.08)
1.60 (40.64)
BOTTOM VIEW 0.13 (3.30)
BOTTOM VIEW
Connections Function +Input -Input Ground -Output +Output
Connections Function +Input +Input -Input -Input -Output -Output +Output +Output Ground
Models
Performance/Functional Specifications
Typical +25°C under nominal line voltage, balanced "full-load" conditions, unless noted.
Input
Input Voltage Range: Average Current +25°C: FLT-100V10 FLT-100V20 Average Current +60°C: FLT-100V10 FLT-100V20 Resistance Leg: FLT-100V10: 25°C -40°C +125°C FLT-100V20: 25°C -40°C +125°C Isolation Voltage Input Isolation Voltage Output Differential-Mode Insertion Loss Common-Mode Insertion Loss Operating Case Temperature MTBF 100°C Case FLT-100V10 FLT-100V20 Storage Temperature Case Material Case Dimensions: FLT-100V10 FLT-100V20 Material Diameter: FLT-100V10 FLT-100v20 Length Weight: FLT-100V10 FLT-100V20 Lead Temperature Soldering, seconds
+25°C, 20lfm (natural convection). +60°C, 20lfm flow (natural convection).
Description FLT-100V series passive filters optimized reduce both commonmode differential-mode noise both input output lines switching DC/DC converters. FLT-100V10 rated continuous current while FLT-100V20 rated 20A. Differential-mode Common-mode Noise Designers faced with reducing conducted emissions DC/DC applications must address both differential-mode common-mode noise. Differences measured between input lines DC/DC converter classified differential noise. dominant contribution differential noise switching action DC/DC converter. Consequently, majority noise will seen converter's switching frequency it's harmonics. FLT-100V series filter uses mylar, self healing, 100Vdc rated input capacitor connected between input lines (traditionally referred capacitors), conjunction with leakage inductance common mode chokes attenuate low-frequency differential noise. addition filter, low-ESR input capacitor Figure also recommended input DC/DC provide source impedance additional noise attenuation. typical performance curves differential-mode insertion loss performance. Common-mode noise measured variations between input lines common) with respect Ground pin. Common-mode noise generally high frequency spectrum (>10MHz) originates switching components DC/DC converter. Internal capacitors from each line ground (referred capacitors), connected between common mode chokes, provides attenuation this unwanted commonmode noise. This ground should connected relatively quiet chassis ground point independent from DC/DC converter case connection. Note that noisy chassis ground inadvertently introduce common-mode noise into system. Some DATEL DC/DC converters designed with internal input-to-outptut capacitor reduce common-mode noise generated from within converter. addition, common-mode noise reduced with addition external ceramic capacitors 0.1uF 1.0uF thru Figure installed from inputs outputs shield plane connected DC/DC case; safety standards limit size these capacitors some applications. typical performance curves common-mode insertion loss performance.
Volts maximum Amps maximum Amps maximum Amps maximum Amps maximum
9.5m 7.6m 11.8m 4.8m 6.3m 1500Vdc minimum 1500Vdc minimum Ordering Guide Ordering Guide
Dynamic Characteristics
Environmental
+100°C 2,856,374 hours 2,521,681 hours +125°C
Physical
Plastic, 94V-0 rating 0.5" (25.4 50.8 12.7mm) 1.6" 0.5" (40.6 50.8 12.7mm) Brass, solder coated 0.031" (0.787mm) 0.040" (1.016mm) Part Number Structure 1.28 ounces (36.3 grams) 2.16 ounces (61.2 grams) +300°C
Absolute Maximum Ratings
Input Voltage Range Isolation Voltage Input Isolation Voltage Output Operating Case Temperature Storage Temperature Volts 1500Vdc minimum 1500Vdc minimum +100°C +125°C
Series
Conducted Emissions Performance
+V1OUT
FLT-100V FILTER
+INPUT OUTPUT
DC/DC CONVERTER
+INPUT
+V2OUT
-INPUT OUTPUT -INPUT OUTPUT RETURN CASE
CHASSIS SHIELD PLANE
Figure Typical Application Using FLT-100V Series Filters Front DC/DC Converter
Conducted Emissions standards imposed governing agencies must system-level, component level. Many designers, however, apply these standards individual components assure system-level compliance. following performance graphs show Conducted Emissions improvements seen when using FLT-100V series filter series with input lines typical switching DC/DC converter. Conducted Emissions testing performed within EMCO 5305 GTEM test cell utilizing EMCO automated test software. Signal levels were measured from EMCO 3825/2 Line Impedance Stabilization Network (LISN) using Hewlett Packard 8568B spectrum analyzer with attached Hewlett Packard 85650A quasipeak adapter peak detection. Limits based Part Subpart Class well 55022 Class
BWR-5/6-3.3/7-D12 Conducted Emissions
Radiated Emissions (dBµV/M) Conducted Emissions 55022 Class Limit 55022 Class Limit
Figure shows typical connection diagram attenuation both differential common-mode noise when used input filter DC/DC converter, while Figure shows recommended layout. Noise introduced into circuits dependent upon characteristics load, layout grounding techniques, cabling. Since application requirements differ, final circuit configurations best obtained through empirical testing.
FLT-100V10 FILTER
VIEW
DC/DC CONVERTER
Frequency (MHz)
10.0
BWR-5/6-3.3/7-D12 Conducted Emissions Using FLT-100V10 Filter
55022 Class Limit 55022 Class Limit
Figure Typical Layout Using FLT-100V Series Filters Front DATEL BWR-5/6-3.3/7-D12 Dual-Output DC/DC Converter
Radiated Emissions (dBµV/M)
Frequency (MHz)
Conducted Emissions
10.0
Models
Operating Temperature
BWR-5/700-D48A FLT-100V10
OUTPUT
Both FLT-100V10 FLT-100V20 guaranteed operation +100°C case temperature. Performance graphs (see typical performance curves) provided both models that depict case temperature rise versus average current various flow conditions. On/Off Control External Fusing eliminate current-path bypassing filter, on/off control circuitry used control DC/DC converter should referenced -Input converter -Input Filter. FLT-100V series filters provide internal fusing, therefore external fuse appropriate DC/DC rating should provided externally. Using Single Filter with Multiple Converters single FLT-100V series filter used with multiple DC/DC converters provided that maximum rated current observed. commonmode chokes design these filters, however, requires that +Input current -Input current equal. small imbalance these currents cause inductor saturate degrade filter's performance. Input Capacitor FLT-100V series filters incorporate internal, multi-layer film polymer capacitor between input lines differential-mode noise filtering. This telecom/ datacom preferred capacitor provides electrical stability under both current loads. capacitors insulation resistance tends improve under stresses heat voltage. typical milli-OHMs 500kHz, provides necessary impedance high frequency input current handling. Using FLT-100V Output Filter Although optimized input conducted emissions filter, FLT-100V series used output filter DC/DC converters reduce output ripple attenuate high frequency noise. Figures show recommended connections both unipolar bipolar applications. Depending upon application desired performance, connection made output return, case shield plane, left floating. Output ripple noise improvements shown following illustrations typical DC/DC converter that using setup shown Figure
+INPUT COMMON -INPUT -INPUT +INPUT
OUTPUT 10µF
10µF
LOAD
LOAD
Figure Using FLT-100V10 Output Filter Bipolar DC/DC
Output Ripple Noise BWR-5/700-D48A
external capacitance.)
20mV/div, 20MHz Bandwidth
Output Ripple Noise BWR-5/700-D48A
(Using single FLT-100V10 10µF capacitance.)
UWR-5/1800-D48A
+INPUT
FLT-100V10
OUTPUT 6.8µF LOAD
+INPUT
-INPUT
COMMON
-INPUT
OUTPUT
Figure Using FLT-100V10 Output Filter Unipolar DC/DC
20mV/div, 20MHz Bandwidth
Series
Case Temperature Rise Average Current Flow FLT-100V10
0.1m/s (20lfm) Natural Convection 1.0m/s (197lfm) 2.0m/s (394lfm) 3.0m/s (591lfm) 0.1m/s (20lfm) Natural Convection 1.0m/s (197lfm) 2.0m/s (394lfm) 3.0m/s (591lfm)
FLT-100V20
Case Temperature Rise Above Ambient (°C)
Case Temperature Rise Above Ambient (°C)
Current Through Each (Amps)
Current Through Each (Amps)
Typical Differential-Mode Insertion Loss Curves
FLT-100V10 Differential-Mode Insertion Loss (Into Load)
Differential-Mode Insertion Loss (dB) Differential-Mode Insertion Loss (dB)
FLT-100V20 Differential-Mode Insertion Loss (Into Load) 0.001
0.001 0.010 0.100 1.000 10.000 100.000
0.010
0.100
1.000
10.000
100.000
Frequency (MHz)
Frequency (MHz)
Typical Common-Mode Insertion Loss Curves
FLT-100V10 Common-Mode Insertion Loss (Into Load)
Common-Mode Insertion Loss (dB) Common-Mode Insertion Loss (dB)
FLT-100V20 Common-Mode Insertion Loss (Into Load) 0.001 0.010 0.100 1.000 10.000 100.000
0.001 0.010 0.100 1.000 10.000 100.000
Frequency (MHz)
Frequency (MHz)
Models
INNOVATION EXCELLENCE
9001 REGISTERED
DS-0489
03/04
DATEL, Inc. Cabot Boulevard, Mansfield, 02048-1151 Tel: (508) 339-3000 (800) 233-2765 Fax: (508) 339-6356 Internet: www.datel.com Email: sales@datel.com
DATEL (UK) LTD. Tadley, England Tel: (01256)-880444 DATEL S.A.R.L. Montigny Bretonneux, France Tel: 01-34-60-01-01 DATEL GmbH Germany Tel: 89-544334-0 DATEL Tokyo, Japan Tel: 3-3779-1031, Osaka Tel: 6-6354-2025
DATEL makes representation that products circuits described herein, other technical information contained herein, will infringe upon existing future patent rights. descriptions contained herein imply granting licenses make, use, sell equipment constructed accordance therewith. Specifications subject change without notice. DATEL logo registered DATEL, Inc. trademark.
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