FFAF20U120DN FFAF20U120DN Features • High voltage and high reliability • High speed switching • Low forward voltage Applications • • • • General purpose Switching mode power supply Free-wheeling diode for motor application Power switching circuits TO-3PF 1 2 3 1. Anode 2.Cathode 3. Anode ULTRA FAST RECOVERY POWER RECTIFIER Absolute Maximum Ratings Symbol (per diode) T C=25 °C ° unless otherwise noted Parameter V RRM Peak Repetitive Reverse Voltage IF(AV) Average Rectified Forward Current IFSM Non-repetitive Peak Surge Current 60Hz Single Half-Sine Wave TJ, T STG Operating Junction and Storage Temperature Value Units 1200 V 20 A 120 A - 65 to +150 °C Value 0.84 Units °C/W @ T C = 100 °C Thermal Characteristics Symbol Rθ J C Parameter Maximum Thermal Resistance, Junction to Case Electrical Characteristics Symbol V FM * IRM * trr Irr Qrr (per diode) TC =25 °C ° unless otherwise noted Parameter Maximum Instantaneous Forward Voltage IF = 20A IF = 20A Maximum Instantaneous Reverse Current @ rated V R Maximum Reverse Recovery Time Maximum Reverse Recovery Current Maximum Reverse Recovery Charge (I F =20A, di/dt = 200A/µs) WAVL Avalanche Energy * Pulse Test: Pulse Width=300 µs, Duty Cycle=2% ©2000 Fairchild Semiconductor International Min. Typ. Max. Units V TC = 25 °C TC = 100 °C - - 3.5 3.2 TC = 25 °C TC = 100 °C - - 20 1.2 µA mA - - 120 10 500 ns A nC 1.0 - - mJ Rev. F, September 2000 FFAF20U120DN Typical Characteristics 100 1000 o [ µA] o T C = 25 C 1 0.1 T C = 100 C 100 R 10 Reverse Current , I Forward Current , IF [A] o T C = 100 C 10 o 1 T C = 25 C 0.1 0.01 0.001 0 1 2 3 4 5 6 0 200 Forward Voltage , V F [ V ] 400 600 800 Figure 1. Typical Forward Voltage Drop vs. Forward Current 140 350 Reverse Recovery Time , t rr [ns] Typical Capacitance at 0V = 355 pF Capacitance , Cj [pF] 300 250 200 150 100 50 1 10 V R = 200V IF = 20A 120 100 o T C = 100 C 80 o TC = 25 C 60 40 100 100 500 di/dt [A/µs ] Reverse Voltage , V R [ V ] Figure 4. Typical Reverse Recovery Time vs. di/dt Figure 3. Typical Junction Capacitance [A] F(AV) V R = 200V Average Forward Current , I IF = 20A 20 o T C = 100 C 10 o T C = 25 C 5 0 100 25 20 15 10 5 0 500 di/dt [A/µs] Figure 5. Typical Reverse Recovery Current vs. di/dt ©2000 Fairchild Semiconductor International 30 DC Reverse Recovery Current , Irr [A] 25 15 1200 Figure 2. Typical Reverse Current vs. Reverse Voltage 400 0.1 1000 Reverse Voltage , V R [V] 60 80 100 120 140 160 o Case Temperature , T C [ C] Figure 6. Forward Current Derating Curve Rev. F, September 2000 FFAF20U120DN Package Dimensions TO-3PF Dimensions in Millimeters ©2000 Fairchild Semiconductor International Rev. F, September 2000 TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. ACEx™ Bottomless™ CoolFET™ CROSSVOLT™ DOME™ E2CMOSTM EnSignaTM FACT™ FACT Quiet Series™ FAST® FASTr™ GlobalOptoisolator™ GTO™ HiSeC™ ISOPLANAR™ MICROWIRE™ OPTOLOGIC™ OPTOPLANAR™ POP™ PowerTrench® QFET™ QS™ QT Optoelectronics™ Quiet Series™ SuperSOT™-3 SuperSOT™-6 SuperSOT™-8 SyncFET™ TinyLogic™ UHC™ VCX™ 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. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or 2. A critical component is any component of a life support device or system whose failure to perform can systems which, (a) are intended for surgical implant into be reasonably expected to cause the failure of the life the body, or (b) support or sustain life, or (c) whose support device or system, or to affect its safety or failure to perform when properly used in accordance with instructions for use provided in the labeling, can be effectiveness. reasonably expected to result in significant injury to the user. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Product Status Definition Advance Information Formative or In Design This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. Preliminary First Production This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. No Identification Needed Full Production This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. Obsolete Not In Production This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only. Rev. F1