PD - 94326 HFB35HB20C Ultrafast, Soft Recovery Diode FRED Features • • • • VR = 200V Reduced RFI and EMI Reduced Snubbing Extensive Characterization of Recovery Parameters Hermetic IF(AV) = 35A trr = 35ns Description These Ultrafast, soft recovery 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. Absolute Maximum Ratings Parameter VR IF(AV) IFSM PD @ TC = 25°C TJ, TSTG Cathode to Anode Voltage ( Per Leg ) Continuous Forward Current, Q TC =108 °C Single Pulse Forward Current, R TC = 25°C ( Per Leg ) Maximum Power Dissipation Operating Junction and Storage Temperature Range Max. Units 200 35 150 90 -55 to +150 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 TO-254AA www.irf.com COMMON CATHODE ANODE 1 10/18/01 HFB35HB20C Electrical Characteristics ( Per Leg )@ TJ = 25°C (unless otherwise specified) Parameter VBR Cathode Anode Breakdown Voltage VF Min. Typ. Max. Units V Test Conditions 200 — — IR = 100µA Forward Voltage — — 1.3 See Fig. 1 — — 1.1 — — 1.4 IF = 35A, TJ = 25°C — — 1.0 IF = 17.5A, TJ = 125°C IF = 17.5A, TJ = -55°C V IF = 17.5A, TJ = 25°C See Fig. 2 IR Reverse Leakage Current See Fig. 2 — — — — 0.1 50 µA µA VR = VR Rated VR = VR Rated, TJ = 125°C CT Junction Capacitance, See Fig. 3 — — 150 pF VR = 200V LS Series Inductance — 6.7 — nH Measured from anode lead to cathode lead , 6mm ( 0.025 in) from package Dynamic Recovery Characteristics ( Per Leg ) @ TJ = 25°C (unless otherwise specified) Parameter t rr trr1 trr2 IRRM1 IRRM2 Q rr1 Q rr2 di(rec)M/dt1 di(rec)M/dt2 Min. Typ. Max. Units Reverse Recovery Time Reverse Recovery Time Peak Recovery Current Reverse Recovery Charge Peak Rate of Fall of Recovery Current During tb — — — — — — — — — — 28 46 4.0 12.3 66 190 410 1740 35 — — — — — — — — Test Conditions ns ns IF = 1.0A,VR = 30V, dif/dt = 200A/µs TJ = 25°C See Fig. TJ = 125°C 5 IF = 35A TJ = 25°C See Fig. A A TJ = 125°C 6 VR = 160V TJ = 25°C See Fig. nC TJ = 125°C 7 dif/dt = 200A/µs nC TJ = 25°C See Fig. A/µs 8 A/µs TJ = 125°C Thermal - Mechanical Characteristics Parameter RthJC Wt 2 Junction-to-Case, Single Leg Conducting Weight Typ. Max. Units — 9.3 1.4 — °C/W g www.irf.com HFB35HB20C 100 100 125°C Reverse Current - I R (µA) 100°C 75°C 1 0.1 25°C 0.01 0.001 0.0001 0 40 80 120 160 200 Reverse Voltage - V R (V) 10 Fig. 2 - Typical Reverse Current Vs. Reverse Voltage ( Per Leg ) 1000 Junction Capacitance - C T (pF) Instantaneous Forward Current - I F (A) 10 Tj = 125°C Tj = 25°C Tj = -55°C 1 T J = 25°C 100 0.0 0.4 0.8 1.2 1.6 0 2.0 40 80 120 160 200 Reverse Voltage - VR (V) Forward Voltage Drop - V F (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage ( Per Leg ) Fig. 1 - Maximum Forward Voltage Drop Vs. Instantaneous Forward Current ( Per Leg ) Thermal Response (Z thJC ) 10 1 D = 0.50 0.20 0.10 0.1 PDM 0.05 t1 t2 0.02 0.01 Notes: 1. Duty factor D = t 1 / t 2 2. Peak TJ = P DM x ZthJC + TC SINGLE PULSE (THERMAL RESPONSE) 0.01 0.00001 0.0001 0.001 0.01 0.1 1 10 t1 , Rectangular Pulse Duration (sec) Fig. 4 - Maximum Thermal Impedance Zthjc Characteristics ( Per Leg ) www.irf.com 3 HFB35HB20C 60 100 VR = 160V IF = 70A TJ = 125°C TJ = 25°C IF = 35A 50 IRRM - ( A ) trr - ( ns ) IF = 17.5A 40 IF = 17.5A IF = 35A 10 IF = 70A VR = 160V 30 TJ = 125°C TJ = 25°C 20 1 100 1000 100 dif / dt - ( A / µs ) dif / dt - ( A / µs ) Fig. 5 - Typical Reverse Recovery Vs. dif/dt (Per Leg) 1000 IF = 70A IF = 70A IF = 35A di ( rec )M / dt - ( A / µs ) IF = 17.5A Qrr - ( nC ) Fig. 6 - Typical Recovery Current Vs. dif/dt (Per Leg) 10000 IF = 35A 100 VR = 160V IF = 17.5A 1000 VR = 160V TJ = 125°C TJ = 25°C TJ = 125°C TJ = 25°C 10 100 100 1000 dif / dt - ( A / µs ) Fig. 7 - Typical Stored Charge Vs. dif/dt (Per Leg) 4 1000 100 1000 dif / dt - ( A / µs ) Fig. 8 - Typical di(rec)M/dt Vs. dif/dt (Per Leg) www.irf.com HFB35HB20C 3 t rr IF tb ta 0 R E V E R S E R E C O V E R Y C IR C U IT Q rr V R = 2 00 V 2 0.5 I R R M di(rec)M /dt 0.01 Ω 5 0.75 I R R M L = 70µH D .U .T. 1 D d if/d t A D JU S T I RRM 4 IR F P 2 50 G di f /dt 1. dif/dt - Rate of change of current through zero crossing 2. IRRM - Peak reverse recovery current S 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 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 Fig. 10 - Reverse Recovery Waveform and Definitions Case Outline and Dimensions — TO-254AA 0.12 [.005] 6.60 [.260] 6.32 [.249] 13.84 [.545] 13.59 [.535] 3.78 [.149] 3.53 [.139] A 20.32 [.800] 20.07 [.790] 17.40 [.685] 16.89 [.665] 1 C 2 B 3 17.40 [.685] 16.89 [.665] 0.84 [.033] MAX. 1.14 [.045] 0.89 [.035] 3X 3.81 [.150] 2X 13.84 [.545] 13.59 [.535] 1.27 [.050] 1.02 [.040] 0.36 [.014] NOT ES : 1. DIMENSIONING & T OLERANCING PER ASME Y14.5M-1994. 2. ALL DIMENSIONS ARE S HOWN IN MILLIMET ERS [INCHES ]. 3. CONT ROLLING DIMENS ION: INCH. 4. CONFORMS TO JEDEC OUTLINE TO-254AA. 3.81 [.150] B A PIN AS S IGNMENTS 1 = ANODE 1 2 = COMMON CATHODE 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. 10/01 www.irf.com 5