FFPF20UP40S tm Features 20A, 400V UItra Fast Rectifier • High Speed Switching, trr < 50ns The FFPF20UP40S is a uItrafast rectifier with low forward voltage drop. This device is intended for use as freewheeling and clamping rectifiers in a variety of switching power supplies and other power switching applications. It is specially suited for use in switching power supplies and industrial application. • High Reverse Voltage and High Reliability • Avalanche Energy Rated • Max Forward Voltage, VF < 1.4V • RoHS Compliant Applications • Boost Diode in PFC and Switching Mode Power Supply • Freewheeling diodes TO-220F-2L 1. Cathode 2. Anode 1. Cathode 2. Anode Absolute Maximum Ratings TC = 25oC unless otherwise noted Symbol VRRM Peak Repetitive Reverse Voltage VRWM VR IF(AV) Average Rectified Forward Current IFSM Non-repetitive Peak Surge Current 60Hz Single Half-Sine Wave TJ, TSTG Parameter Ratings 400 Units V Working Peak Reverse Voltage 400 V DC Blocking Voltage 400 V 20 A @ TC = 100oC Operating and Storage Temperature Range 200 A -55 to +150 oC Ratings Units Thermal Characteristics Symbol RθJC Parameter Maximum Thermal Resistance, Junction to Case o 2.6 C/W Package Marking and Ordering Information Device Marking Device Package Reel Size Tape Width Quantity FFPF20UP40S FFPF20UP40S TO-220F - - 50 ©2010 Fairchild Semiconductor Corporation FFPF20UP40S Rev. A 1 www.fairchildsemi.com FFPF20UP40S November Symbol Min. Typ. Max. Units VFM1 IF = 20A IF = 20A Parameter TC = 25oC TC = 125oC - - 1.4 1.4 V IRM1 VR = 400V VR = 400V TC = 25oC TC = 125oC - - 50 50 µA trr Irr Qrr IF = 20A, di/dt = 200A/µs TC = 25oC - 29 3.3 47 50 5.5 138 ns A nC WAVL Avalanche Energy ( L = 40mH) 1 - - mJ Notes: 1: Pulse: Test Pulse width = 300µs, Duty Cycle = 2% Test Circuit and Waveforms FFPF20UP40S Rev. A 2 www.fairchildsemi.com FFPF20UP40S Electrical Characteristics TC = 25oC unless otherwise noted FFPF20UP40S Typical Performance Characteristics Figure 2. Typical Reverse Current vs. Reverse Voltage Figure 1. Typical Forward Voltage Drop vs. Forward Current 100 100 o Reverse Current , IR [µA] Forward Current, IF [A] TC = 125 C o TC = 125 C o TC = 75 C 10 o TC = 25 C 1 0.0 0.5 1.0 1.5 Forward Voltage, VF [V] Reverse Recovery Time, trr [ns] Capacitances , Cj [pF] 400 200 1 10 Reverse Voltage, VR [V] 80 160 240 320 Reverse Voltage, VR [V] 400 60 o TC = 125 C 50 o TC = 75 C 40 30 o TC = 25 C 20 10 100 100 200 300 di/dt [A/µs] 400 500 Figure 6. Forward Current Derating Curve Figure 5. Typical Reverse Recovery Current vs. di/dt 50 10 o TC = 125 C o TC = 75 C 6 o TC = 25 C 4 2 IF = 20A 200 300 di/dt [A/µs] 400 Average Forward Current, IF(AV) [A] 12 Reverse Recovery Current, Irr [A] o IF = 20A 600 FFPF20UP40S Rev. A TC = 25 C 70 800 100 0.1 Figure 4. Typical Reverse Recovery Time vs. di/dt Typical Capacitance at 0V = 16pF 8 TC = 75 C 0 1000 0 0.1 o 1 0.01 2.0 Figure 3. Typical Junction Capacitance 10 40 30 20 10 0 25 500 3 50 75 100 125 o Case temperature, TC [ C] 150 www.fairchildsemi.com FFPF20UP40S Mechanical Dimensions TO-220F 2L FFPF20UP40S Rev. A 4 www.fairchildsemi.com tm tm tm *Trademarks of System General Corporation, used under license by Fairchild Semiconductor. DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION, OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. THESE SPECIFICATIONS DO NOT EXPAND THE TERMS OF FAIRCHILD’S WORLDWIDE TERMS AND CONDITIONS, SPECIFICALLY THE WARRANTY THEREIN, WHICH COVERS THESE PRODUCTS. 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Fairchild’s Anti-Counterfeiting Policy is also stated on our external website, www.Fairchildsemi.com, under Sales Support. Counterfeiting of semiconductor parts is a growing problem in the industry. All manufactures of semiconductor products are experiencing counterfeiting of their parts. Customers who inadvertently purchase counterfeit parts experience many problems such as loss of brand reputation, substandard performance, failed application, and increased cost of production and manufacturing delays. Fairchild is taking strong measures to protect ourselves and our customers from the proliferation of counterfeit parts. Fairchild strongly encourages customers to purchase Fairchild parts either directly from Fairchild or from Authorized Fairchild Distributors who are listed by country on our web page cited above. Products customers buy either from Fairchild directly or from Authorized Fairchild Distributors are genuine parts, have full traceability, meet Fairchild’s quality standards for handing and storage and provide access to Fairchild’s full range of up-to-date technical and product information. Fairchild and our Authorized Distributors will stand behind all warranties and will appropriately address and warranty issues that may arise. Fairchild will not provide any warranty coverage or other assistance for parts bought from Unauthorized Sources. Fairchild is committed to combat this global problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized distributors. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Product Status Definition Advance Information Formative / In Design Datasheet contains the design specifications for product development. Specifications may change in any manner without notice. Preliminary First Production Datasheet contains preliminary data; supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice to improve design. No Identification Needed Full Production Datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice to improve the design. Obsolete Not In Production Datasheet contains specifications on a product that is discontinued by Fairchild Semiconductor. The datasheet is for reference information only. Rev. I48 FFPF20UP40S Rev. A 5 www.fairchildsemi.com FFPF20UP40S TRADEMARKS The following includes registered and unregistered trademarks and service marks, owned by Fairchild Semiconductor and/or its global subsidiaries, and is not intended to be an exhaustive list of all such trademarks. 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