vicor corp. tel: 800-735-6200, 978-470-2900 fax: 978-475-6715 fiam, filter input attenuator module rev. 1.7 page 1 of 6 set your site on vicor at vicorpower.com parameter rating unit notes +in to C in 80 vdc continuous 100 v 100 ms +out to C out 75 vdc continuous mounting torque 5(0.57) in-lbs 6 each, #4-40 or m3 operating temperature C 40 to +100 c t and h -grade storage temperature C 55 to +125 c h-grade pin soldering temperature 500 (260) f(c) < 5 sec; wave solder 750 (390) f(c) < 7 sec; hand solder features ? rohs compliant (with f or g pin style) ? emi filtering-class b ? transient protection ? low profile mounting options ? 10 and 20 ampere versions ? ul, csa, en compliance ? mini-size package ? inrush current limiting product highlights the fiam is a dc front-end module providing transient protection, inrush current limiting and class b emi filtering in a mini-size package. the fiam enables designers using vicor 48 vin mini, micro, or maxi dc-dc converters to meet the transient immunity and emi requirements of bellcore, fcc, etsi and european norms and protect system hardware from inrush current. the fiam accepts an input voltage of 36 ? 76 vdc, is available in 10 or 20 a versions and provides reverse polarity protection and remote on/off control. internally, the fiam employs a transient suppressor diode directly across the input. refer to figure 1. this is followed by a passive emi filter that provides attenuation of both common mode and differential mode conducted emissions. surge protection and inrush current limiting is accomplished by a mos fet in series with the positive rail whose g ate is driven by the charge pump/control circuit. during no rmal operation the fet is fully enhanced; essentially a closed switch. the charge pump limits the time rate of change of gate bias voltage at startup, or in the event of a voltage surge at the input. during this condition, the source terminal of the fet follows the gate, offset by the gate threshold voltage. a transient event at the input, or drain terminal of the fet is therefore attenuated and absorbed by the fet, which during this condition is in the source follower mode. as a result, the transient is virtually non existent at the output of the fiam. in addition, upon application of power, the controlled voltage ramp up, limits the rate at which the output capacitor is charged, thereby limiting inrush current. fiam is housed in an industry standard "half brick" module measuring 2.28" x 2.2" x 0.5" and depending upon model selected, may be mounted on-board or in-board for height critical applications. compatible products ? mini, micro, maxi 48 v input dc-dc converters data sheet fiam tm filter input attenuator module shown actual size: 2.28 x 2.2 x 0.5 in 57,9 x 55,9 x 12,7 mm absolute maximum rating parameter min typ max unit baseplate to sink flat, greased surface 0.16 c/watt thermal pad (p/n 20264) 0.14 c/watt baseplate to ambient free convection 8.0 c/watt 1000 lfm 1.9 c/watt thermal resistance part numbering product type 1 = 10 a 2 = 20 a baseplate 1 = slotted 2 = threaded 3 = thru-hole pin style 1 = short 2 = long s = short modumate n = long modumate f = short rohs g = long rohs product grade temperatures (c) grade operating storage c = ? 20 to +100 ? 40 to 125 t = ? 40 to +100 ? 40 to 125 h = ? 40 to +100 ? 55 to 125 fiam 1 c 1 1
vicor corp. tel: 800-735-6200, 978-470-2900 fax: 978-475-6715 fiam, filter input attenuator module rev. 1.7 page 2 of 6 set your site on vicor at vicorpower.com specifications (typical at t bp = 25c, nominal line and 75% load, unless otherwise specified) input specifications output specifications control pin specifications electromagnetic compatibility parameter min typ max unit notes input voltage 36 48 76 vdc continuous inrush limiting 0.014 a/f capacitor c1. fig 6 parameter min typ max unit notes output current fiam1xxx 10 a fiam2xxx 20 a efficiency 96.0 97.5 internal voltage drop is 1.4 max. @ 20 a, 100 c baseplate external capacitance see illustration on page 3, fig 6. fiam1xxx 10 150 f 100 v fiam2xxx 100 330 f 100 v parameter min typ max unit notes on / off control enable (on) 0.0 1.0 referenced to Cvout disable (off) 3.5 5.0 vdc 100k internal pull-up resistor parameter min typ max unit notes transient immunity bellcore tr-nwt-000499 200 v 1 sec duration ets 300 386-1 class 2 200 v 5.0 sec rise time, 50 sec duration surge 250 v 1 C 100 nsec burst safety specifications parameter min typ max unit notes dielectric withstand (i/o to baseplate) 1,500 v rms 2,121 vdc
vicor corp. tel: 800-735-6200, 978-470-2900 fax: 978-475-6715 fiam, filter input attenuator module rev. 1.7 page 3 of 6 set your site on vicor at vicorpower.com parameter min typ max unit remarks reverse polarity protection no damage to module, external fuse required weight 3.1 4 ounces (88) (113) (grams) warranty 2 years agency approvals general specifications safety standards markings notes ul1950, csa 22.2-950, en60950 conducted emission (figures 2&3) bellcore gr-001089-core issue 2 en55022 level b; when used with vicor mini, maxi, micro 48 vin dc-dc converter fcc part 15 level b specifications (cont.) figure 1 fiam block diagram +out -out -in +in emi filter charge pump / control on/off emi gnd
vicor corp. tel: 800-735-6200, 978-470-2900 fax: 978-475-6715 fiam, filter input attenuator module rev. 1.7 page 4 of 6 set your site on vicor at vicorpower.com +s +out sc ?s ?out ?in pr pc +in note: the fiam is shown in the on state. to disable, open the connection between on/off and ?out. transorb p/n 30234-120 fiam ?in emi gnd nc +in +out nc nc on off ?out mini, maxi, micro 48vdc input dc-dc converter f1 0.2 f input c1 4,700 pf 4,700 pf 0.01 f 0.01 f inrush limiting transient immunity transient and surge protection figure 2 fiam and model v48a12c500 dc-dc converter. figure 3 fiam and model v48b24c250 dc-dc converter. figure 4 inrush limiting: inrush current with 330 f external capacitance. tek s top: s in g le s eq. 5.00 m s / s ch1 = vdc in ch2 = vdc out ch3 = i dc in @0.2 a/mv 2 ? [ t ] ch1 zoom: 1.0x vert 0.005x horz ch1 10.0 v ch2 10.0 v m2.00 ms ch1 31.8 v ch4 10.0 mv input voltage output voltage input current 4 ? ? ? ? figure 5 transient immunity: fiam output response to an input transient. tek run: 10.0 m s / s @ 200.0 v ch1 = input ch2 = output 4 8 v off s et 2 ? ch1 25.0 v ch2 25.0 v m5.00 s ch4 8 .2 a input tran s ient ? output voltage ? conducted noise figure 6
vicor corp. tel: 800-735-6200, 978-470-2900 fax: 978-475-6715 fiam, filter input attenuator module rev. 1.7 page 5 of 6 set your site on vicor at vicorpower.com pcb mounting specifications converter pins no. function label 1 +in + 2 no nc connection 3 ground emi/gnd 4 C in C 5Cout C 6 on/off on/off 7 no nc connection 8 no nc connection 9 +out + (2x) 0.01 0.35 8,8 0.20** 5,1 0.12* 3,1 dia,(7x) 0.150 3,81 (ref) dia,(2x) 0.080 2,03 4 3 1 98 2 76 5 0.23 5,8 0.400 10,16 1.400 35,56 1.000 25,40 0.700 17,78 2.20 55,9 1.74 44,2 full r (6x) (6x) (ref.) 0.15 3,81 1.30 33,0 2.28 57,9 2.20 55,9 0.130 3,30 0.49 12,4 0.65 16,5 0.06 1,5 r(3x) x 45? chamfer use a 4-40 screw (6x) torque to: 5 in-lbs .57 n-m 0.54 13,7 0.43 10,9 long pin 0.62 15,7 short pin (9x) (9x) (all markings this surface) aluminum baseplate 0.50 0.02 12,7 0,5 * slotted baseplate only ** threaded & through hole (style 2 & 3) baseplates *** reserved for vicor accessories. not for mounting pin center line style 2 & 3 baseplates only (4x)*** 0.300 0.015 7,62 0,38 0.300 0.015 7,62 0,38 1.900 48,26 2.000 50,80 0.10 2,5 pin c l pin c l c l slotted threaded 4-40 unc-2b (6x) thru hole #30 drill thru (6x) (0.1285) 0.13 3,3 full r (6x) (6x) 0.195 4,95 1.400* 35,56 1.000* 25,40 0.700* 17,78 0.400* 10,16 1.790** 45,47 0.06 1,5 r (4x) 0.158 4,01 5 6 7 8 9 12 34 0.003 0,08 * denotes tol = pcb thickness 0.062 0.010 1,57 0,25 short pin style 0.094 0.003 2,39 0,08 inboard solder mount 0.43 10,9 0.53 13,5 1.900* 48.26 1.900* 48,26 1.575** 40,00 0.164 0.003 4,16 0,08 long pin style 0.094 0.003 2,39 0,08 onboard solder mount 0.164 0.003 4,16 0,08 plated through hole dia (7x) (2x) ** pcb window all markings this surface pin s s tyle s solder:tin / lead hot solder dipped modumate: gold plated copper rohs: gold plated copper aluminum baseplate mechanical diagram consult vicor application note: soldering methods and procedures for 1st and 2nd generation modules.
vicor corp. tel: 800-735-6200, 978-470-2900 fax: 978-475-6715 fiam, filter input attenuator module rev. 1.7 11/08 set your site on vicor at vicorpower.com vicor corporation 25 frontage road andover, ma, usa 01810 tel: 800-735-6200 fax: 978-475-6715 email customer service: custserv@vicorpower.com technical support: apps@vicorpower.com vicors comprehensive line of power solutions includes high density ac-dc and dc-dc modules and accessory components, fully configurable ac-dc and dc-dc power supplies, and complete custom power systems. information furnished by vicor is believed to be accurate and reliable. however, no responsibility is assumed by vicor for its use. vicor components are not designed to be used in applications, such as life support systems, wherein a failure or malfunction could result in injury or death. all sales are subject to vicor?s terms and conditions of sale, which are available upon request. specifications are subject to change without notice. intellectual property notice vicor and its subsidiaries own intellectual property (including issued u.s. and foreign patents and pending patent applications) relating to the products described in this data sheet. interested parties should contact vicor's intellectual property department. warranty vicor products are guaranteed for two years from date of shipment against defects in material or workmanship when in normal use and service. this warranty does not extend to products subjected to misuse, accident, or improper application or maintenance. vicor shall not be liable for collateral or consequential damage. this warranty is extended to the original purchaser only. except for the foregoing express warranty, vicor makes no warranty, express or implied, including, but not limited to, the warranty of merchantability or fitness for a particular purpose. vicor will repair or replace defective products in accordance with its own best judgement. for service under this warranty, the buyer must contact vicor to obtain a return material authorization (rma) number and shipping instructions. products returned without prior authorization will be returned to the buyer. the buyer will pay all charges incurred in returning the product to the factory. vicor will pay all reshipment charges if the product was defective within the terms of this warranty. information published by vicor has been carefully checked and is believed to be accurate; however, no responsibility is assumed for inaccuracies. vicor reserves the right to make changes to any products without further notice to improve reliabilit y, function, or design. vicor does not assume any liability arising out of the application or use of any product or circuit; neith er does it convey any license under its patent rights nor the rights of others. vicor general policy does not recommend the use of its components in life support applications wherein a failure or malfunction may directly threaten life or injury. per vicor terms and conditions of sale, the user of vicor components in life support applications assumes all risks of such use and indemnifies vicor against all damages.
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