BUK7Y3R5-40H N-channel 40 V, 3.5 m standard level MOSFET in LFPAK56 8 May 2018 Product data sheet 1. General description Automotive qualified N-channel MOSFET using the latest Trench 9 low ohmic superjunction technology, housed in a robust LFPAK56 package. This product has been fully designed and qualified to meet AEC-Q101 requirements delivering high performance and endurance. 2. Features and benefits Fully automotive qualified to AEC-Q101: 175 C rating suitable for thermally demanding environments Trench 9 Superjunction technology: Reduced cell pitch enables enhanced power density and efficiency with lower R in DSon same footprint Improved SOA and avalanche capability compared to standard TrenchMOS Tight V limits enable easy paralleling of MOSFETs GS(th) LFPAK Gull Wing leads: High Board Level Reliability absorbing mechanical stress during thermal cycling, unlike traditional QFN packages Visual (AOI) soldering inspection, no need for expensive x-ray equipment Easy solder wetting for good mechanical solder joint LFPAK copper clip technology: Improved reliability, with reduced R and R th DSon Increases maximum current capability and improved current spreading 3. Applications 12 V automotive systems Motors, lamps and solenoid control Start-Stop micro-hybrid applications Transmission control Ultra high performance power switching 4. Quick reference data Table 1. Quick reference data Symbol Parameter Conditions Min Typ Max Unit V drain-source voltage 25 C T 175 C - - 40 V DS j I drain current V = 10 V T = 25 C Fig. 2 1 - - 120 A D GS mb P total power dissipation T = 25 C Fig. 1 - - 115 W tot mbNexperia BUK7Y3R5-40H N-channel 40 V, 3.5 m standard level MOSFET in LFPAK56 Symbol Parameter Conditions Min Typ Max Unit Static characteristics R drain-source on-state V = 10 V I = 25 A T = 25 C 2 2.9 3.5 m DSon GS D j resistance Fig. 11 Dynamic characteristics Q gate-drain charge I = 25 A V = 32 V V = 10 V - 6 15 nC GD D DS GS Fig. 13 Fig. 14 Source-drain diode Q recovered charge I = 25 A dI /dt = -100 A/s V = 0 V - 16 - nC r S S GS V = 20 V Fig. 17 DS S softness factor I = 25 A dI /dt = -100 A/s V = 0 V - 0.8 - S S GS V = 20 V T = 25 C DS j 1 120A continuous current has been successfully demonstrated during application tests. Practically the current will be limited by PCB, thermal design and operating temperature. 5. Pinning information Table 2. Pinning information Pin Symbol Description Simplified outline Graphic symbol 1 S source D mb 2 S source G 3 S source 4 G gate mbb076 S 1 2 3 4 mb D mounting base connected to LFPAK56 Power- drain SO8 (SOT669) 6. Ordering information Table 3. Ordering information Type number Package Name Description Version BUK7Y3R5-40H LFPAK56 plastic, single-ended surface-mounted package 4 terminals SOT669 Power-SO8 7. Marking Table 4. Marking codes Type number Marking code BUK7Y3R5-40H 73H540 BUK7Y3R5-40H All information provided in this document is subject to legal disclaimers. Nexperia B.V. 2018. All rights reserved Product data sheet 8 May 2018 2 / 14
