RURD66S9AF85 Ultrafast Power Rectifier, 6A 6V Features High Speed Switching ( t rr =63ns(Typ.) @ =6A ) Low Forward Voltage( V F =.26V(Typ.) @ =6A ) Avalanche Energy Rated AECQ Qualified Applications General Purpose Switching Mode Power Supply Power switching circuits Pin Assignments 6A, 6V Ultrafast Rectifier The RURD66S9AF85 is an ultrafast diode with soft recovery characteristics (trr< 83ns). It has a 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 soft recovery minimize ringing and electrical noise in many power switching circuits, thus reducing powerloss in the switching transistors. RURD66S9AF85 Ultrafast Power Rectifier, 6A 6V 2 DPAK TO252 (TO252). 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 (AV) Average Rectified Forward Current @ = 25 C 6 A SM T J, T STG Nonrepetitive Peak Surge Current Operating Junction and Storage Temperature 6 55 to +75 A C Thermal Characteristics = 25 C unless otherwise noted R θjc R θja R 2 θja Symbol Parameter Max Units Package Marking and Ordering Information Device Marking Device Package Tube Quantity RUR66 23 Semiconductor Components Industries, LLC. September27, Rev. 3 Maximum Thermal Resistance, Junction to Case 3 Maximum Thermal Resistance, Junction to Ambient Maximum Thermal Resistance, Junction to Ambient RURD66S9AF85 TO2522L 6 Notes:. Mounted on a minimum pad follow by JEDEC standard. 2. Mounted on a in2 pad of 2 oz copper follow by JEDEC standard. 4 5 C/W C/W C/W Publication Order Number: RURD66S9AF85 /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 ua V FM 3 t rr 4 t a t b Q rr Notes: Instantaneous Forward Voltage = 6A = 25 C = 75 C Reverse Recovery Time =A, di/dt = 2A/μs, V CC = 39V Reverse Recovery Time Reverse Recovery Charge =6A, di/dt = 2A/μs, V CC = 39V =6A, di/dt = 2A/μs, V CC = 39V 3. Pulse : Test Pulse width = 3μs, Duty Cycle = 2% 4. Guaranteed by design = 75 C 5 ua.26.4.5 V V = 25 C 25 33 ns = 25 C = 75 C = 25 C 63 9 23 4 5 83 ns ns W AVL Avalanche Energy (L = 2mH) mj ns ns nc RURD66S9AF85 Ultrafast Power Rectifier, 6A 6V Test Circuit and Waveforms V GE AMPLITUDE AND R G CONTROL d /dt t AND t 2 CONTROL L V GE t R G DUT IGBT CURRENT SENSE + V DD d dt t a t rr t b t 2.25 I RM I RM FIGURE 8. t rr TESIRCUIT FIGURE 9. t rr WAVEFORMS AND DEFINITIONS I = A L = 2mH R <.Ω E AVL = /2LI 2 [V R(AVL) /(V R(AVL) V DD )] Q = IGBT (BV CES > DUT V R(AVL) ) L R V AVL Q CURRENT SENSE + V DD I V I L I L V DD DUT t t t 2 t FIGURE. AVALANCHE ENERGY TESIRCUIT FIGURE. AVALANCHE CURRENT AND VOLTAGE WAVEFORMS 2
Typical Performance Characteristics Figure. Typical Forward Voltage Drop vs. Forward Current Forward Current, [A] = 75 o C = 25 o C = 25 o C...5..5 2. 2.5 Forward Voltage, V F [V] Figure 3.Typical Junction Capacitance Capacitances, Cj [pf] 9 8 6 4 2 Typical Capacitance at V = 24pF Reverse Recovery Time, t rr [ns] Reverse Current, I R [μa] Figure 2. Typical Reverse Current vs. Reverse Voltage.. = 75 o C = 25 o C = 25 o C 2 3 4 5 6 Reverse Voltage, V R [V] Figure 4. Typical Reverse Recovery Time vs. di/dt 8 5 2 9 6 = 6A = 25 o C = 25 o C = 75 o C RURD66S9AF85 Ultrafast Power Rectifier, 6A 6V. Reverse Voltage, V R [V] Figure 5. Typical Reverse Recovery Current vs. di/dt 5 3 2 3 4 5 di/dt [A/μs] Figure 6. Forward Current Derating Curve 35 Reverse Recovery Current, I rr [A] 5 = 75 o C = 25 o C = 25 o C = 6A 2 3 4 5 di/dt [A/μs] Average Forward Current, (AV) [A] 3 2 25 5 75 25 5 75 Case temperature, [ o C] 3
Typical Performance Characteristics (Continued) Z thjc (t), Thermal Response. D=.5.2..5.2. Reverse Recovery Charge, Q rr [nc] Figure 7. Reverse Recovery Charge 8 6 4 2 = 6A = 75 o C = 25 o C = 25 o C 2 3 4 5 di/dt [A/μs] Figure 8. Transient Thermal Response Curve single pulse * Notes :. R thjc =.7 C/W Typ. 2. Duty Factor, D=t /t 2 3. T JM = P DM * Z thjc (t). 5 4 3 2 2 t, Square Wave Pulse Duration [sec] P DM t t 2 RURD66S9AF85 Ultrafast Power Rectifier, 6A 6V 4
Mechanical Dimensions DPAK RURD66S9AF85 Ultrafast Power Rectifier, 6A 6V Dimensions in Millimeters 5
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