Bulletin PD-20736 rev. B 10/02 400DMQ... SERIES SCHOTTKY RECTIFIER 400 Amp TO-244AB isolated doubler Major Ratings and Characteristics Characteristics IF(AV) Rectangular Description/ Features 400DMQ... Units 400 A 35 to 45 V 29,000 A waveform VRRM range IFSM @ tp = 5 µs sine VF @200Apk, TJ=125°C 0.52 V - 55 to 150 °C (per leg) TJ range The 400DMQ high current, Schottky rectifier doubler module series has been optimized for very low forward voltage drop, with moderate leakage. The proprietary barrier technology allows for reliable operation up to 150 °C junction temperature. Typical applications are in switching power supplies, converters, free-wheeling diodes, welding, and reverse battery protection. 150 °C TJ operation High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Very low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability 1 3 2 Modified JEDEC Outline TO-244AB Isolated Dimensions in millimeters and (inches) www.irf.com 1 400DMQ... Series Bulletin PD-20736 rev. B 10/02 Voltage Ratings Part number VR 400DMQ035 400DMQ040 400DMQ045 35 40 45 Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) Absolute Maximum Ratings Parameters 400DMQ Units I F(AV) Max. Average Forward Current 400 A Conditions 50% duty cycle @ TC = 70 °C, rectangular wave form (Per Device) I FSM Max. Peak One Cycle Non-Repetitive 29,000 A Surge Current (Per Leg) 3400 E AS Non-Repetitive Avalanche Energy (Per Leg) 180 mJ I AR Repetitive Avalanche Current (Per Leg) 40 A Following any rated load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied 5µs Sine or 3µs Rect. pulse TJ = 25 °C, IAS = 40 Amps, L = 0.22 mH Current decaying linearly to zero in 1 µsec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters VFM CT LS Conditions 0.57 V @ 200A 0.73 V @ 400A 0.52 0.68 V V @ 200A @ 400A Max. Reverse Leakage Current 20 mA TJ = 25 °C (Per Leg) * See Fig. 2 1 A TJ = 125 °C 10,300 5.0 pF nH VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C From top of terminal hole to mounting plane 10000 V/ µs (Per Leg) * See Fig. 1 IRM 400DMQ Units Max. Forward Voltage Drop (1) (1) Max. Junction Capacitance (Per Leg) Typical Series Inductance (Per Leg) dv/dt Max. Voltage Rate of Change TJ = 25 °C TJ = 125 °C VR = rated VR (Rated VR) Thermal-Mechanical Specifications Parameters (1) Pulse Width < 300µs, Duty Cycle <2% 400DMQ Units TJ Max. Junction Temperature Range -55 to 150 Tstg Max. Storage Temperature Range -55 to 150 Conditions °C °C RthJC Max. Thermal Resistance Junction to Case (Per Leg) 0.4 °C/W DC operation RthJC Max. Thermal Resistance Junction 0.2 °C/W DC operation to Case (Per Package) Typical Thermal Resistance, Case 0.1 °C/W Mounting surface , smooth and greased RthCS * See Fig. 4 to Heatsink wt T Approximate Weight Mounting Torque Base Mou ue Center Hole TerminalTorque Case Style 2 79 (2.80) g (oz.) Min. 24(20) Max. 35 (30) Kg-cm Typ. 13.5 (12) (Ibf-in) Min. 35 (30) Max. 46 (40) TO - 244AB isolated doubler Modified JEDEC www.irf.com 400DMQ... Series Bulletin PD-20736 rev. B 10/02 10000 1000 T J = 150˚C Reverse Current - I R (mA) 1000 100˚C 75˚C 10 50˚C 1 25˚C 0.1 0.01 T = 150˚C J 0 10 20 30 40 50 T J = 125˚C Reverse Voltage - VR (V) T J = 25˚C Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage 10000 Junction Capacitance - C T (pF) Instantaneous Forward Current - I F (A) 100 125˚C 100 10 T = 25˚C J 1000 1 0 0.3 0.6 0.9 0 1.2 10 20 30 40 50 Reverse Voltage - VR (V) Forward Voltage Drop - V FM (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage Fig. 1 - Max. Forward Voltage Drop Characteristics Thermal Impedance Z thJC (°C/W) 1 0.1 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 PDM t1 t2 0.01 0.001 0.00001 www.irf.com Notes: Single Pulse (Thermal Resistance) 0.0001 1. Duty factor D = 1 t / t2 2. Peak TJ = PDM x Z thJC + TC 0.001 0.01 0.1 1 10 t 1, Rectangular Pulse Duration (Seconds) Fig. 4 - Max. Thermal Impedance Z thJC Characteristics 100 3 400DMQ... Series Bulletin PD-20736 rev. B 10/02 500 150 Average Power Loss (Watts) Allowable Case Temperature (°C) 180 120 DC 90 60 Square wave (D = 0.50) 80% Rated VR applied 30 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 400 300 RMS Limit 200 DC 100 see note (2) 0 0 200 400 0 600 0 Average Forward Current - I F(AV)(A) 100 200 300 400 500 600 Average Forward Current - I F(AV) (A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current Fig. 6 - Forward Power Loss Characteristics Non-Repetitive Surge Current - I FSM (A) 100000 At Any Rated Load Condition And With Rated VRRM Applied Following Surge 10000 1000 10 100 1000 10000 Square Wave Pulse Duration - t p (microsec) Fig. 7 - Max. Non-Repetitive Surge Current L IRFP460 DUT Rg = 25 ohm CURRENT MONITOR HIGH-SPEED SWITCH FREE-WHEEL DIODE + Vd = 25 Volt 40HFL40S02 Fig. 8 - Unclamped Inductive Test Circuit (2) Formula used: TC = TJ - (Pd + PdREV) x RthJC ; Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 6); PdREV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = 80% rated VR 4 www.irf.com 400DMQ... Series Bulletin PD-20736 rev. B 10/02 Data and specifications subject to change without notice. This product has been designed and qualified for Industrial Level. Qualification Standards can be found on IR's Web site. IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 TAC Fax: (310) 252-7309 Visit us at www.irf.com for sales contact information. 10/02 www.irf.com 5