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| 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 waveform VRRM range IFSM @ tp = 5 s sine VF TJ @200Apk, TJ=125C (per leg) range - 55 to 150 C 35 to 45 29,000 0.52 V A V Description/ Features 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 400DMQ... Units 400 A 1 2 3 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 Max. DC Reverse Voltage (V) 35 40 45 VRWM Max. Working Peak Reverse Voltage (V) 400DMQ035 400DMQ040 400DMQ045 Absolute Maximum Ratings Parameters I F(AV) Max. Average Forward Current (Per Device) I FSM Max. Peak One Cycle Non-Repetitive Surge Current (Per Leg) E AS I AR Non-Repetitive Avalanche Energy (Per Leg) Repetitive Avalanche Current (Per Leg) 29,000 3400 180 40 A mJ A Following any rated load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied 5s Sine or 3s Rect. pulse TJ = 25 C, IAS = 40 Amps, L = 0.22 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical 400DMQ Units 400 A Conditions 50% duty cycle @ TC = 70 C, rectangular wave form Electrical Specifications Parameters VFM Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1) 400DMQ Units 0.57 0.73 0.52 0.68 V V V V mA A pF nH V/ s @ 200A @ 400A @ 200A @ 400A TJ = 25 C TJ = 125 C Conditions TJ = 25 C TJ = 125 C VR = rated VR IRM CT LS Max. Reverse Leakage Current (Per Leg) * See Fig. 2 (1) Max. Junction Capacitance (Per Leg) Typical Series Inductance (Per Leg) (Rated VR) 20 1 10,300 5.0 10000 VR = 5VDC, (test signal range 100Khz to 1Mhz) 25C From top of terminal hole to mounting plane dv/dt Max. Voltage Rate of Change Thermal-Mechanical Specifications Parameters TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range (1) Pulse Width < 300s, Duty Cycle <2% 400DMQ Units -55 to 150 -55 to 150 0.4 0.2 0.1 C C Conditions RthJC Max. Thermal Resistance Junction to Case (Per Leg) RthJC Max. Thermal Resistance Junction RthCS wt T to Case (Per Package) Typical Thermal Resistance, Case to Heatsink Approximate Weight Mounting Torque Base Mou ue Center Hole TerminalTorque Case Style C/W DC operation C/W DC operation * See Fig. 4 C/W Mounting surface , smooth and greased 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 2 www.irf.com 400DMQ... Series Bulletin PD-20736 rev. B 10/02 1000 10000 1000 Reverse Current - I R (mA) T J = 150C 125C 100 10 1 100C 75C 50C 25C 100 Instantaneous Forward Current - I F (A) 0.1 T = 150C J 0.01 0 10 20 30 40 50 Reverse Voltage - VR (V) Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage T J = 125C T J = 25C 10000 Junction Capacitance - C T (pF) 10 T = 25C J 1 0 0.3 0.6 0.9 1.2 Forward Voltage Drop - V FM (V) Fig. 1 - Max. Forward Voltage Drop Characteristics 1000 0 10 20 30 40 50 Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage 1 Thermal Impedance Z thJC (C/W) D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 0.1 PDM t1 t2 0.01 Single Pulse (Thermal Resistance) Notes: 1. Duty factor D = 1 / t t2 2. Peak TJ = PDM x Z thJC + T C 0.001 0.00001 0.0001 0.001 0.01 0.1 1 10 t 1, Rectangular Pulse Duration (Seconds) Fig. 4 - Max. Thermal Impedance Z thJC Characteristics 100 www.irf.com 3 400DMQ... Series Bulletin PD-20736 rev. B 10/02 180 Allowable Case Temperature (C) Average Power Loss (Watts) 500 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 150 120 DC 400 RMS Limit 300 90 60 Square wave (D = 0.50) 80% Rated V applied R 200 DC 30 see note (2) 100 0 0 200 400 600 Average Forward Current - I F(AV)(A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current 0 0 100 200 300 400 500 600 Average Forward Current - I F(AV) (A) Fig. 6 - Forward Power Loss Characteristics 100000 Non-Repetitive Surge Current - I FSM (A) 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 HIGH-SPEED SWITCH FREE-WHEEL DIODE 40HFL40S02 + DUT IRFP460 Rg = 25 ohm Vd = 25 Volt CURRENT MONITOR 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 |
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