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| PD - 94169A HFB20HJ20C HEXFRED Features * * * * * Reduced RFI and EMI Reduced Snubbing Extensive Characterization of Recovery Parameters Hermetic Surface Mount TM Ultrafast, Soft Recovery Diode VR = 200V IF(AV) = 20A trr = 20ns Description HEXFRED diodes are optimized to reduce losses and EMI/RFI in high frequency power conditioning systems. An extensive characterization of the recovery behavior for different values of current, temperature and di/dt simplifies the calculations of losses in the operating conditions. The softness of the recovery eliminates the need for a snubber in most applications. These devices are ideally suited for power converters, motors drives and other applications where switching losses are significant portion of the total losses. TM Absolute Maximum Ratings Parameter VR IF(AV) IFSM PD @ TC = 25C TJ, TSTG Cathode to Anode Voltage ( Per Leg ) Continuous Forward Current, Q TC = 85C Single Pulse Forward Current, R TC = 25C ( Per Leg) Maximum Power Dissipation Operating Junction and Storage Temperature Range Max. 200 20 125 28 -55 to +150 Units V A W C Note: Q D.C. = 50% rect. wave R 1/2 sine wave, 60 Hz , P.W. = 8.33 ms CASE STYLE (ISOLATED BASE) ANODE COMMON CATHODE ANODE SMD-0.5 www.irf.com 1 5/08/01 HFB20HJ20C Electrical Characteristics ( Per Leg ) @ TJ = 25C (unless otherwise specified) Parameter VBR VF Cathode Anode Breakdown Voltage Forward Voltage See Fig. 1 Min. Typ. Max. Units 200 -- -- -- -- -- -- -- -- -- -- -- -- 4.8 -- 1.26 1.11 1.30 0.96 10 1.0 20 -- A mA pF nH V V Test Conditions IR = 100A IF = 10A, TJ = -55C IF = 10A, TJ = 25C IF = 20A, TJ = 25C IF = 10A, TJ = 125C VR = VR Rated VR = VR Rated, TJ = 125C VR = 200V Measured from center of cathode pad to center of anode pad See Fig. 2 IR Reverse Leakage Current See Fig. 2 Junction Capacitance, See Fig. 3 Series Inductance -- -- -- -- CT LS Dynamic Recovery Characteristics ( Per Leg )@ TJ = 25C (unless otherwise specified) Parameter t rr trr1 trr2 IRRM1 IRRM2 Q rr1 Q rr2 di(rec)M/dt1 di(rec)M/dt2 Reverse Recovery Time Reverse Recovery Time Peak Recovery Current Reverse Recovery Charge Peak Rate of Fall of Recovery Current During tb Min. -- -- -- -- -- -- -- -- -- Typ. Max. Units -- 27 42 3.5 5.5 54 120 640 850 20 -- -- -- -- -- -- -- -- ns ns Test Conditions IF = 1.0A,VR = 30V, dif/dt = 200A/s TJ = 25C See Fig. TJ = 125C 5 IF = 20A TJ = 25C See Fig. A A TJ = 125C 6 VR = 160V TJ = 25C See Fig. nC TJ = 125C 7 dif/dt = 200A/s nC TJ = 25C See Fig. A/s 8 A/s TJ = 125C Thermal - Mechanical Characteristics Parameter RthJC Wt Junction-to-Case, Single Leg Conducting Weight Typ. -- 1.0 Max. 4.5 -- Units C/W g 2 www.irf.com HFB20HJ20C 100 100 10 125C 100C Reverse Current - I R (A) 1 75C 0.1 25C 0.01 0.001 Instantaneous Forward Current - I F (A) 0.0001 1E-005 0 50 100 150 200 10 Reverse Voltage - V R (V) Fig. 2 - Typical Reverse Current Vs. Reverse Voltage ( Per Leg ) 100 Tj = 125C Tj = 25C Junction Capacitance - C T (pF) T J = 25C Tj = -55C 1 0.0 0.4 0.8 1.2 1.6 10 0 50 100 150 200 Forward Voltage Drop - V F (V) Reverse Voltage - VR (V) Fig. 1 - Maximum Forward Voltage Drop Vs. Instantaneous Forward Current ( Per Leg ) 10 Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage ( Per Leg ) Thermal Response (Z thJC ) D = 0.50 0.20 0.10 0.05 0.02 0.01 0.1 1 SINGLE PULSE (THERMAL RESPONSE) 0.01 0.00001 Notes: 1. Duty factor D = t 1 / t 2 2. Peak TJ = P DM x Z thJC + TC 0.1 0.0001 0.001 0.01 P DM t1 t2 1 t1 , Rectangular Pulse Duration (sec) Fig. 4 - Maximum Thermal Impedance Zthjc Characteristics ( Per Leg ) www.irf.com 3 HFB20HJ20C 50 100 IF = 40A 40 IF = 20A IRRM - ( A ) IF = 10A trr - ( ns ) IF = 20A 30 IF = 40A IF = 10A 10 20 VR = 160V TJ = 125C TJ = 25C VR = 160V TJ = 125C TJ = 25C 1 10 100 1000 100 1000 dif / dt - ( A / s ) dif / dt - ( A / s ) Fig. 5 - Typical Reverse Recovery Vs. dif/dt,( Per Leg) Fig. 6 -Typical Recovery Current Vs. dif/dt ( Per Leg) 1000 10000 IF = 40A IF = 10A IF = 10A di ( rec )M / dt - ( A / s ) IF = 20A IF = 20A IF = 40A 1000 Qrr - ( nC ) 100 VR = 160V TJ = 125C TJ = 25C 10 100 1000 VR = 160V TJ = 125C TJ = 25C 100 100 1000 dif / dt - ( A / s ) dif / dt - ( A / s ) Fig. 7 - Typical Stored Charge Vs. dif/dt ( Per Leg) Fig. 8 - Typical di(rec)M/dt Vs. dif/dt ( Per Leg ) 4 www.irf.com HFB20HJ20C 3 IF t rr ta tb 4 R E V E R S E R E C O V E R Y C IR C U IT V R = 2 00 V 0 Q rr 2 I RRM 0.5 I R R M di(rec)M /dt 5 0.01 L = 70H D .U .T. D d if/d t A D JU S T G IR F P 2 50 S 1 0.75 I R R M di f /dt 4. Qrr - Area under curve defined by trr and IRRM trr X IRRM Qrr = 2 5. di(rec)M/dt - Peak rate of change of current during tb portion of trr 1. dif/dt - Rate of change of current through zero crossing 2. IRRM - Peak reverse recovery current 3. trr - Reverse recovery time measured from zero crossing point of negative going IF to point where a line passing through 0.75 IRRM and 0.50 IRRM extrapolated to zero current Fig. 9 - Reverse Recovery Parameter Test Circuit Fig. 10 - Reverse Recovery Waveform and Definitions Case Outline and Dimensions -- SMD-0.5 HEXFRED DOUBLE DIE 1 = COMMON CATHODE 2 = ANODE 1 3 = ANODE 2 IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 TAC Fax: (310) 252-7903 Visit us at www.irf.com for sales contact information. Data and specifications subject to change without notice. 05/01 www.irf.com 5 |
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