Features High Speed Switching, t rr < 8ns High Reverse Voltage and High Reliability Avalanche Energy Rated Low Forward Voltage, V F <.7V RoHS compliant Applications General Purpose Switching Mode Power Supply Freewheeling diode for motor application Power switching circuits 6A, 6V Ultrafast Rectifier April 29 The FFH6UP6S and FFH6UP6S3 are ultrafast rectifiers with low forward voltage drop. It is a silicon nitride passivated ionimplanted epitaxial planar construction. These devices are intended for use as freewheeling/clamping rectifiers in a variety of switching power supplies and other power swithching applications. Its low stored charge minimize ringing and electrical noise in many power switching circuits reducing power loss in the switching transistors. tm Pin Assignments TO2472L 2 TO2473L 3 2.3 Anode 2.Cathode Backside Metal Connected to Cathode Absolute Maximum Ratings = 25 o 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 @ = 9 o C 6 A I FSM Nonrepetitive Peak Surge Current 6Hz Single HalfSine Wave Thermal Characteristics Package Marking and Ordering Information 6 A T J, T STG Operating and Storage Temperature Range 65 to +5 o C Symbol Parameter Ratings Units R θjc Maximum Thermal Resistance, Junction to Case.4 Device Marking Device Package Reel Size Tape Width Quantity FFH6UP6S FFH6UP6S TO2472L 3 FFH6UP6S3 FFH6UP6S3 TO2473L 3 o C/W 29 Fairchild Semiconductor Corporation
Electrical Characteristics = 25 o C unless otherwise noted Symbol Parameter Min. Typ. Max. Units V FM I F = 6A = 25 C = 25 C I RM V R =6V = 25 C = 25 C t rr I F = 6A, di/dt = 2A/µs, V CC = 39V = 25 C = 25 C W AVL Avalanche Energy ( L = 4mH) 5 mj Notes: : Pulse: Test Pulse width = 3µs, Duty Cycle = 2%.4.3 6 38.7 5 8 V µa ns Trr test circuit and waveform Avalanch energy test circuit and waveform 2
Typical Performance Characteristics Figure. Typical Forward Voltage Drop vs. Forward Current Forward Current, I F [A] 4 = 25 o C = 25 o C = 75 o C Figure 2. Typical Reverse Current vs. Reverse Voltage Reverse Current, I R [µa] = 25 o C = 75 o C. = 25 o C 2 3 Forward Voltage, V F [V] Figure 3.Typical Junction Capacitance Capacitances, Cj [pf] 8 6 4 2 Typical Capacitance at V = 75 pf. 5 3 45 6 Reverse Voltage, V R [V] Figure 4. Typical Reverse Recovery Time vs. di/dt Reverse Recovery Time, t rr [ns] 8 5 2 9 6 3 = 25 o C = 75 o C = 25 o C I F = 6A. Reverse Voltage, V R [V] Figure 5. Typical Reverse Recovery Current vs. di/dt 25 2 3 4 5 di/dt [A/µs] Figure 6. Forward Current Derating Curve 8 Reverse Recovery Current, I rr [A] 2 5 5 = 25 o C = 75 o C = 25 o C I F = 6A Average Forward Current, I F(AV) [A] 5 2 9 6 3 2 3 4 5 di/dt [A/µs] 25 5 75 25 5 Case temperature, [ o C] 3
Mechanical Dimensions TO2472L Dimensions in Millimeters 4
TO2473L 5
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