new products, tips and tools for power and mobile applications benchmarks ? digital microphones improve sound quality, lower power achieve better sound quality in mobile handset and notebook microphone applications with fairchilds fan3850x series of digital microphone pre-amplifers. these high performance analog mobile audio devices provide advanced noise rejection capabilities as well as an easy interface to mobile handset processors. the series includes: ? fan3850a that features both 16db and 19db gain versions, ? fan3850t offering 15db gain and integrated negative temperature coeffcient to compensate for ecm positive temperature coeffcient to achieve a fat sensitivity response over temperature. both devices integrate a pre-amplifer, low drop-out regulator (ldo) and analog- to-digital converter (adc) that converts electret condenser microphone (ecm) outputs to digital pulse density modulation (pdm) data streams. advantages ? excellent signal-to-noise ratio ? lower power compensation, 0.8mw ? <20w power down mode applications ? mobile handsets ? notebook pc microphones for more information, please visit: www.fairchildsemi.com/pf/fa/fan3850a.html www.fairchildsemi.com/pf/fa/fan3850t.html vol. 1, 2012 90 0.001 0.01 0.1 1 input signal (mvpp) snr (dba) thd (db) sinad (db) snr (dba), thd (db), sinad (db) 10 100 80 70 60 50 40 30 20 10 0 -10 -20 fan3850t 15db snr (dba), thd (-db), sinad (db) over input amplitude product number i dd (a) i sleep (a) snr (db) thd (%) 120db spl thd + n (%) esd (hbm) (kv) fan3850x 420 1.4 62 0.01 3 7 v dd = 1.8v, f clock = 2.4mhz, 94dbspl
single-chip pwm solution single-chip pwm solution saves board space designers who need to achieve lower standby power consumption in devices such as notebooks, printers, lcd tvs, now have an industry-leading single-chip solution with fairchilds fan6756. lower standby power in 75w space- constrained applications is achieved without additional external circuitry, complex designs or higher costs. the single-chip solution is a highly integrated green- mode pwm controller that signifcantly reduces standby losses in smps designs, and eliminates up to 15 external components. the fan6756 also includes an innovative ax-cap ? discharge method that minimizes losses in the emi flter stage, while meeting the iec61010-1 safety requirement. this functionaity is achieved by eliminating the x-cap discharge resistors and discharging x-cap energy through the hv pin when the power is unplugged from the ac outlet. ideal for power supplies that demand extremely low standby power, the fan6756 incorporates mwsaver ? technology. this technology allows the device to reduce power losses not only in the controller, but also in the external circuits and components. it also includes a proprietary deep burst mode technology that reduces switching loss at no-load and light-load conditions. advantages ? proven, reliable mwsaver ? technology ? achieves <30mw no load/ standby power consumption ? reduces up to 15 external components applications ? notebooks ? game consoles ? printer adapters ? lcd tvs for more information, please visit: www.fairchildsemi.com/pf/fa/fan6756.html www.fairchildsemi.com/mwsaver 5.4v 2 sensed current signal pwm comparator v dd z fb v fb c fb 1r 3r fan6756 fb impedence modulator deep burst mode control circuit product number protection* max power (w) rating feedback mode protection package olp ovp otp sscp FAN6756MRMY a/r l l a/r 65 current olp, ocp, ovp, otp, sscp soic-8 fan6756mlmy l l l a/r *auto recovery mode protection, l = latch mode protection.
optohit ? phototransistor optocouplers reliable isolation and minimized system failure with optohit ? optocouplers realize increased design margins and stable parameters in high temperature environments with fairchilds new fodm8801 optohit ? high temperature pho - totransistor optocoupler. youll achieve high noise immunity and reliable isolation at high operating temperatures, up to 125c, as this new series implements fairchilds proprietary optoplanar ? coplanar packaging technology. in addi - tion, the fodm8801 offers excellent ctr linearity and operates at a very low input current (i f ). the optocoupler consists of an aluminum gallium arsenide (algaas) infrared light emitting diode optically coupled to a phototransistor. because the fodm8801 is packaged in a compact, half-pitch, mini-fat, 4-pin package (1.27mm lead pitch), benefts also include board space savings and design fexibility, ultimately allowing for overall reductions in system cost. advantages ? excellent ctr linearity at high temperature ? ctr at very low input current, i f (1ma, 1.6ma, and 3ma) ? small footprint: half-pitch mini-fat package (mfp) saves board real estate for more fexibility and overall systems cost savings applications ? primarily suited for dc-dc converters ? ground loop isolation, signal-to-noise isolation ? communications: adapters, chargers ? consumer: appliances, set-top boxes ? industrial: power supplies, motor control, programmable logic control for more information, please visit: www.fairchildsemi.com/pf/fo/fodm8801a.html www.fairchildsemi.com/products/opto/ -200 20 40 60 80 100 120 140 normalized ctr @ 25c 1.2 1.0 0.8 0.6 0.4 0.2 0 -40 t a ? ambient temperature (c) v ce = 5v i f = 0.5ma i f = 1ma i f = 2ma normalized ctr vs. ambient temperature product number ctr (min) @ i f = 1ma ctr (max) @ i f = 1ma bv ceo (min) bv eco (min) t on /t off (max) v iso (min) t opr (min) t opr (max) fodm8801a 80% 160% 75v 7v 20s 3750v -40 c 125 c fodm8801b 130% 260% fodm8801c 200% 400%
flyback controllers small-spaced dimming challenges solved with led lamp driver ic led lamp driver ic advantages ? high functional density in a small form factor ? up to 60% board space savings compared to other solutions ? up to 20% lower bill of material costs compared to other solutions ? digital power factor (pf) realization greater than 0.9 ? lower total harmonic distortion (thd) ? 90% electrical effciency ? meets worldwide energy star ? regulations applications ? decorative lighting ? low-power lighting for more information, please visit: www.fairchildsemi.com/pf/fl/fl7701.html www.fairchildsemi.com/ledlighting engineering connections need to design a dimmable led lamp small enough to fit existing sockets? read the latest in our blog at www.fairchildsemi.com/engineeringconnections. with fairchilds fl7701 smart non-isolated buck led driver with power factor correction, designers attain effcient dimming solutions that also ft within exist - ing sockets. because the need to work reliably in a small space while providing high effciency is imperative, the device uses a digital technique that allows it to automatically detect the ac input voltage condition. a special internal reference signal is then created, resulting in high power factor correction. the fl7701 will work from a dc input voltage condition, automatically sensing ac versus dc input voltage conditions. it also combines high functional density to create the smallest form factor and allows designers to save up to 20% bom costs and up to 60% board space savings. the led driver provides energy savings that meet the most stringent worldwide regulations, such as energy star ? . designers also beneft from the high degree of integration offered by the fl7701. the result is increased luminary lifespan to more than fve years (current solution only achieves three years.) and reli - ability is also improved since no electrolytic capacitors for the input, output or the fl7701 v dd supply are required. typical application product number topology pfc dimming cc variance (%) frequency (khz) package fl7701 non-isolation pfc buck ye s ye s 3 variable soic-8
flyback controllers achieve industry-best energy savings for flyback designs designers using fyback topology can now achieve optimum converter perfor - mance with fairchilds expansive portfolio of fyback controllers. enabling power savings, achieving high-power density and meeting energy standards, the port - folio includes: ? the fan302hl mwsaver ? technology pwm controller, a highly integrated device that includes a proprietary burst-mode function with low operation current and minimizes standby power consumption. ? the dual switch fyback solution for 75w~230w applications and consists of the fan6920mr integrated critical mode pfc and quasi-resonant current mode pwm controller, the fan7382 gate driver, in tandem with the fan6204 secondary synchronous rectifer controller for fyback topology and forward freewheeling rectifcation. ? the fan6756 mwsaver ? technology pwm controller, dramatically reduces standby and no-load power consumption, enabling conformance to worldwide standby mode effciency guidelines. in addition, fairchild offers the power supply webdesigner (psw) online design and simulation tool that takes your specifcations and provides a complete primary-side regulated (psr) fyback converter or secondary-side regulated (ssr) fyback converter designs in minutesat no expense. advantages ? fan302hl ? 8mw standby ? 15w chargers ? psr for cc & ssr for cv ? mwsaver? technology ? fan6920mr, fan7382, fan6204 ? dual-switch qr + crm pfc + hv half-bridge driver + sr control ? exceeds 2013 erp no load spec ? mwsaver? technology ? fan6756, fan6204 ? pwm controller + sr controller ? 90+% effciency ? 26mw standby ? mwsaver? technology applications ? adapters/converters for mobile phones and frewalls, tablets, pcs and large fat panel tvs for more information, please visit: www.fairchildsemi.com/pf/fa/fan302hl.html www.fairchildsemi.com/pf/fa/fan6920mr.html www.fairchildsemi.com/pf/fa/fan7382.html www.fairchildsemi.com/pf/fa/fan6756.html www.fairchildsemi.com/pf/fa/fan6204.html www.fairchildsemi.com/powersupplywebdesigner www.fairchildsemi.com/fybackconverter engineering connections power supply webdesigner blog and podcast save engineering time and costs with power supply webdesignerwithout being a power expert. find out how in our blog, or listen to our podcast, at www.fairchildsemi.com/engineeringconnections . ? integrated 650v sensefet ? 8mw standby ? 15w chargers ? psr for cc & ssr for cv ? mwsaver tm technology fan302hl fsb127h ? single-chip solution ? ideal for 75w adapters ? 26mw standby ? mwsaver tm technology 200w energy-efficient controllers for flyback designs power level vs. efficiency vs. standby power power level operating efficiency (100v ac ) 100% 95% 90% 85% 80% 75% 70% 75w 15w 10mw 30mw 100mw 300mw 500mw ? pwm controller + sr controller ? 90+% efficiency ? 26mw standby ? mwsaver tm technology ? dual-switch qr + crm pfc + hv half-bridge driver + sr control ? exceeds 2013 erp no load spec ? mwsaver tm technology fan6756 + fan6204 fan6862/63 ? qr current mode solution ? 85+% efficiency, 19v ? 100w range fan6300a/h fan6920mr + fan6204 + fan7382 fsl116hr fsl206mr ? integrated 700v sensefet ? 6.5w adapter power ? 150mw standby ? 70+% efficiency fsq500 standby power consumption (230v ac ) ? pwm + 700v mosfet ? single-chip solution ? 40mw standby ? mwsaver tm technology ? cost-effective solution ? 300mw standby ? 85+% efficiency (19v, 40w) the industry?s best efficiency and standby power combination for each power rating. fan6756
n-channel powert rench ? mosfet improve battery life, reduce space in li-ion battery pack advantages ? provides lower conduction losses, max r ss(on) = 16.5m at v gs = 4.5v, i d = 8a ? 40% smaller than legacy solutions ? microfet 2mm x 3mm 2 ? rohs compliant ? hbm esd protection >2kv applications ? ultraportable applications for more information, please visit: www.fairchildsemi.com/pf/fd/fdmb2307nz.html for mobile applications that use a one-cell li-ion battery pack, fairchilds fdmb2307nz dual n-channel powertrench ? mosfet, addresses design space and effciency challenges. the device enables bidirectional current fow, and by using advanced powertrench processes, the fdmb2307nz provides high power density and a maximum r ss(on) of 16.5m at v gs = 4.5v, i d = 8a. this results in lower conduction losses, lower voltage drop, less power dissipation and increased overall design efficiency when compared to competitive solutions. designers will also beneft from excellent thermal performance, resulting in cooler system operation, further increasing effciency. the devices small pack - age size (microfet 2mm x 3mm 2 ) provides one of the smallest mlp solutions available40% smaller than existing legacy solutionssaving signifcant board space in their design. 1. 01 .5 2. 02 .5 3. 03 .5 4. 04 .5 0 20 40 60 80 t j = 150 o c i s1 s2 = 8 a t j = 25 o c v gs , ga te to so urce vo lt ag e (v ) r s1s2 (o n) , source1 to source2 on-resistance (m ) pulse durati on = 80 s du ty cycl e = 0. 5% ma x on resistance vs. gate to source voltage product number i d max (a) p d max (w) r ss(on) max @ 4.5v /m r ss(on) max @ 4.2v/ m r ss(on) max @ 3.1v/ m q g typ nc esd hbm (kv) package (mm) fdmb2307nz 9.7 2.2 16.5 18 21 18 >2 2 x 3 x 0.8
engineering connections faster power supply designswhether you are a power supply expert or notare now a reality with fairchilds power supply webdesigner (psw). tis online design and simulation tool takes your specifcations and provides a complete primary-side regulated (psr) flyback converter or secondary-side regulated (ssr) flyback converter design. you get a schematic, simulated verifcation, and bill of material costs in minutes. fine-tune design parameters without a bench prototype, swap component choices and perform detailed simulations and analysesall with the ability to confdentially save your design for future reference. applications: ? smps for stb, dvd, dvcd players ? smps for home appliances, printer, scanner, facsimile, lcd monitor, lcd tv ? battery charger for cellular phones, cordless phones, digital cameras, power tools power supply webdesigner blog and podcast save engineering time and costs with power supply webdesignerwithout being a power expert. read our full blog, or listen to our podcast to learn more: www.fairchildsemi.com/engineeringconnections. for more information, visit: www.fairchildsemi.com/powersupplywebdesigner . flyback design and simulation in minutes choose automatic design enter basic input/output system requirements advanced design enter detailed system requirements repor t generated schematic and bill of material including auto selection from preferred distributor's catalog e components selected design requirements matched to fairchild's products design simulated fine-tune design without building bench prototype engineering connections offers blogs, videos, online seminars and podcasts that help designers solve their design challenges and speed time- to-market. get the latest information at www.fairchildsemi.com/engineeringconnections.
for a complete listing of sales representatives and sales offices , visit : www.fairchildsemi.com/cf/sales_contacts for information on fairchild products , tradeshows , seminars and other items , register here : www.fairchildsemi.com/my_fairchild for datasheets, application notes, samples and more, please visit: www.fairchildsemi.com trademarks, service marks, and registered trademarks are the property of fairchild semiconductor or their respective owners. for a listing of fairchild semiconductor trademarks and related information, please see: www.fairchildsemi.com/legal lit code: 970042-001 ? 2012 fairchild semiconductor. all rights reserved. solutions for y our success ? about fairchild design support products applications power management power factor correction ? continuous conduction mode (ccm) pfc controllers ? critical/boundary conduction mode (crcm/bcm) pfc controllers ? interleaved pfc controllers ? pfc + pwm combination (combo) controllers off-line and isolated dc-dc ? ac-dc linear regulators ? flyback & forward pwm controllers ? flyback & forward pwm controllers with integrated mosfet ? llc resonant & asymmetric half bridge pwm controllers ? llc resonant & asymmetric half bridge pwm controllers with integrated mosfets ? primary-side regulation cv/cc controllers ? primary-side regulation cv/cc controllers with integrated mosfet ? standard pwm controllers ? supervisory/monitor ics ? synchronous rectifer controllers non-isolated dc-dc ? charge-pump converters ? drmos fet plus driver multi-chip modules ? step-down controllers (external switch) ? step-down regulators, non-synchronous (integrated switch) ? step-down regulators, synchronous (integrated switch) ? step-up regulators (integrated switch) mosfet and igbt gate drivers ? 3-phase drivers ? half-bridge drivers ? high- & low-side drivers ? high-side drivers ? low-side drivers voltage regulators ? ldos ? positive voltage linear regulators ? negative voltage linear regulators ? shunt regulators ? voltage detector ? voltage stabilizer ? voltage to frequency converter motion control ? bldc/pmsm controller ? motion-spm ? (smart power modules) ? pfc spm ? (smart power modules) diodes & rectifers ? bridge rectifers ? circuit protection & transient voltage suppressors (tvs) ? diacs ? rectifers ? schottky diodes & rectifers ? small signal diodes ? zener diodes igbts ? discrete igbts ? ignition igbts mosfets ? discrete mosfets ? level-shifted load switches ? mosfet/schottky combos transistors ? bjts ? darlingtons ? digital/bias-resistor transistors ? jfets ? rf transistors ? small signal transistors advanced load switches ? advanced current limited load switches ? slew rate controlled load switches battery management ? battery charger ics ground fault interrupt ? ground fault interrupt (gfi) controllers backlight unit (blu) ? ccfl inverter ics signal p ath ics amplifers & comparators ? comparators ? operational amplifers audio amplifers ? audio subsystems ? audio headphone amplifers ? digital microphone amplifers battery protection ics ? battery protection ics interface ? lvds ? serializers/deserializers (serdes?) ? usb transceivers signal conditioning ? video filter drivers ? video switch matrix/multiplexers signaling, sensing & timing ? signaling, sensing & timing ? timing switches ? accessory switches ? analog switches ? audio jack detection switches ? audio switches ? bus switches ? mipi switches ? multimedia switches ? usb switches ? video switches logic buffers, drivers, transcievers ? buffers ? line drivers ? transceivers flip flops, latches, registers ? counters ? flip flops ? inverters ? latches ? registers gates ? and gates ? nand gates ? or gates ? nor gates ? schmitt triggers ? confgurable gates multiplexer / demultiplexer / decoders ? decoders ? demultiplexers ? multiplexers ? multivibrators voltage level translators ? voltage level translators lighting ics ? fluorescent lamp ics ? hid ics ? led lighting ics ? portable led drivers optoelectronics high performance optocouplers ? low voltage, high performance ? high speed logic gate ? high performance transistor ? igbt/mosfet gate driver ? specifc function infrared ? emitting diodes ? photo sensors ? photo sensor C transistors ? ambient light sensors ? refective sensors ? optical interrupt switches phototransistor optocouplers ? isolated error amplifer ? phototransistor output - dc sensing input ? phototransistor output - ac sensing input ? photo darlington output triac driver optocouplers ? random phase triac driver ? zero crossing triac driver automotive products automotive discrete power ? automotive ignition igbts ? automotive igbts ? automotive n-channel mosfets ? automotive p-channel mosfets ? automotive rectifers automotive high voltage gate drivers (hvics) ? automotive high voltage gate drivers (hvics) high side smart switches ? high side smart switches
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