RURG86F85 8A, 6V Ultrafast Rectifier Features High Speed Switching ( t rr =74ns(Typ.) @ I F =8A ) Low Forward Voltage( V F =.34V(Typ.) @ I F =8A ) Avalanche Energy Rated AECQ Qaulified Applications Automotive DCDC converter Automotive On Board Charger Switching Power Supply Power Switching Circuits 8A, 6V Ultrafast Rectifier The RURG86F85 is an ultrafast diode with soft recovery characteristics (trr < 9ns). It has low forward voltage drop and is of silicon nitride passivated ionimplanted epitaxial planar construction. This device is intended for use as a freewheeling/ clamping diode and rectifier in a variety of switching power supplies and other power switching applications. Its low stored charge and ultrafast recovery with soft recovery characteristic minimize ringing and electrical noise in many power switching circuits, thus reducing power loss in the switching transistors. Pin Assignments TO2472L. Cathode 2. Anode 2. Cathode 2. Anode Absolute Maximum Ratings = 25 C unless otherwise noted Symbol Parameter Ratings Units V RRM Peak Repetitive Reverse Voltage 6 V V RWM Working Peak Reverse Voltage 6 V V R DC Blocking Voltage 6 V I F(AV) Average Rectified Forward Current @ = 25 C 8 A I FSM Nonrepetitive Peak Surge Current (Halfwave Phase 5Hz) 24 A E AVL Avalanche Energy (.6A, 4mH) 5 mj T J, T STG Operating Junction and Storage Temperature 55 to +75 C Thermal Characteristics = 25 C unless otherwise noted Symbol Parameter Max Units R θjc Maximum Thermal Resistance, Junction to Case.85 C/W R θja Maximum Thermal Resistance, Junction to Ambient 5 C/W Package Marking and Ordering Information Device Marking Device Package Tube Quantity RURG86 RURG86F85 TO247 3 23 Semiconductor Components Industries, LLC. August27, Rev. 3 Publication Order Number: RURG86F85 /D
Electrical Characteristics = 25 C unless otherwise noted Symbol Parameter Conditions Min. Typ. Max Units I R Instantaneous Reverse Current V R = 6V = 25 C 25 ua = 75 C 2 ma V FM t rr 2 Instantaneous Forward Voltage I F = 8A = 25 C = 75 C Reverse Recovery Time I F =A, di/dt = A/μs, V CC = 39V I F =8A, di/dt = A/μs, V CC = 39V Notes:. Pulse : Test Pulse width = 3μs, Duty Cycle = 2% 2. Guaranteed by design.34.7.6.4 V V = 25 C 46 75 ns = 25 C = 75 C 74 29 9 ns ns t a Reverse Recovery Time I F =8A, di/dt = A/μs, = 25 C 38 ns t b V CC = 39V 36 ns Q rr Reverse Recovery Charge 3 nc E AVL Avalanche Energy I AV =.6A, L=4mH 5 mj Test Circuit and Waveforms 2
Typical Performance Characteristics Figure. Typical Forward Voltage Drop vs. Forward Current Forward Current, I F [A] Figure 3.Typical Junction Capacitance Capacitances, Cj [pf] 4...5..5 2. Forward Voltage, V F [V] 8 6 4 2 = 75 o C = 25 o C = 25 o C Typical Capacitance at V = 247pF Figure 2. Typical Reverse Current vs. Reverse Voltage Reverse Current, I R [μa].. E3 = 75 o C = 25 o C = 25 o C E4 2 3 4 5 6 Reverse Voltage, V R [V] Figure 4. Typical Reverse Recovery Time vs. di/dt Reverse Recovery Time, t rr [ns] 3 25 2 5 5 = 75 o C = 25 o C = 25 o C I F = 8A. Reverse Voltage, V R [V] Figure 5. Typical Reverse Recovery Current vs. di/dt 5 2 3 4 5 di/dt [A/μs] Figure 6. Forward Current Derating Curve Reverse Recovery Current, I rr [A] 4 3 2 = 75 o C = 25 o C = 25 o C I F = 8A 2 3 4 5 di/dt [A/μs] Average Forward Current, I F(AV) [A] 8 6 4 2 25 5 75 25 5 75 Case temperature, [ o C] 3
Typical Performance Characteristics (Continued) Reverse Recovery Charge, Q rr [nc] Figure 7. Reverse Recovery Charge 5 4 3 2 I F = 8A = 75 o C = 25 o C = 25 o C 2 3 4 5 di/dt [A/μs] Figure 8. Transient Thermal Response Curve Z thjc (t), Thermal Response. D=.5.2..5.2. single pulse * Notes :. Z thjc (t) =.85 C/W Typ. 2. Duty Factor, D=t /t 2 3. T JM = P DM * Z thjc (t). 5 4 3 2 2 P DM t, Square Wave Pulse Duration [sec] t t 2 4
Mechanical Dimensions TO2472L Dimensions in Millimeters 5
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