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| PD-20541 rev. E 10/99 87CNQ020 87CNQ020SM 87CNQ020SL SCHOTTKY RECTIFIER 80 Amp Major Ratings and Characteristics Characteristics I F(AV) Rectangular waveform VRRM I FSM @ tp = 5 s sine VF TJ @ 40 Apk, TJ= 125 C (per leg) range - 55 to 150 C Description/Features Units A V A V The center tap Schottky rectifier module has been optimized for ultra low forward voltage drop specifically for 3.3V output power supplies. The proprietary barrier technology allows for reliable operation up to 150 C junction temperature. Typical applications are in parallel switching power supplies, converters, reverse battery protection, and redundant power subsystems. 150 C TJ operation Center tap module Optimized for 3.3V application Ultra low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Low profile, small footprint, high current package Values 80 20 6000 0.32 Case Styles 87CNQ020 87CNQ020SM 87CNQ020SL D61-8 D61-8-SM D61-8-SL www.irf.com 1 87CNQ020, 87CNQ020SM, 87CNQ020SL PD-20541 rev. E 10/99 Voltage Ratings Part number VR VR Max. DC Reverse Voltage (V) Max. DC Reverse Voltage (V) @ 125 C @ 150 C 87CNQ020 / ..020SM / ..020SL 20 10 Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward (Per Device) Current (PerLeg) IFSM Max. Peak One Cycle Non-Repetitive EAS IAR Surge Current (Per Leg) Non-Repetitive Avalanche Energy (Per Leg) Repetitive Avalanche Current (Per Leg) 87CNQ Units 80 40 6000 1100 36 8 A A mJ A Conditions 50% duty cycle @ TC = 135C, rectangular wave form Following any rated 5s Sine or 3s Rect. pulse load condition and with 10ms Sine or 6ms Rect. pulse rated Vrrm applied TJ = 25 C, I AS = 8 Amps, L = 1.12 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. V A = 1.5 x VR typical Electrical Specifications Parameters VFM Max. Forward Voltage Drop (Per Leg) (1) 87CNQ Units 0.45 0.51 0.32 0.39 0.29 0.37 V V V V V V mA mA mA mA mA V m pF nH V/ s @ 40A @ 80A @ 40A @ 80A @ 40A @ 80A Conditions TJ = 25 C TJ = 125 C TJ = 150 C VR = rated VR VR = 5V VR = 3.3V VR = 10V IRM Max. Reverse Leakage Current (Per Leg) (1) 5.5 550 90 70 480 TJ = 25 C TJ = 125 C TJ = 125 C TJ = 125 C TJ = 150 C TJ = T J max. VF(TO) Threshold Voltage rt Forward Slope Resistance CT LS Max. Junction Capacitance (Per Leg) Typical Series Inductance (Per Leg) 0.191 2.3 6500 5.5 10,000 VR = 5VDC , (test signal range 100Khz to 1Mhz) 25C Measured lead to lead 5mm from package body dv/dt Max. Voltage Rate of Change (Rated VR) Thermal-Mechanical Specifications Parameters TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range (1) Pulse Width < 300s, Duty Cycle <2% 87CNQ Units -55 to 150 -55 to 150 0.85 0.42 0.30 7.8 (0.28) Min. Max. 40 (35) 58 (50) C C Conditions RthJC Max. Thermal Resistance Junction to Case (Per Leg) RthJC Max. Thermal Resistance Junction to Case (Per Package) RthCS Typical Thermal Resistance, Case to Heatsink (D61-8 Only) wt T Approximate Weight Mounting Torque (D61-8 Only) C/W DCoperation C/W DCoperation C/W Mounting surface , smooth and greased g (oz.) Kg-cm (Ibf-in) 2 www.irf.com 87CNQ020, 87CNQ020SM, 87CNQ020SL PD-20541 rev. E 10/99 1000 10000 1000 100 10 1 0. 1 0.01 TJ = 150C TJ = 125C TJ = 25C (mA) T J = 150C 125C 100C 75C 50C 25C (A) Instantan eous Forwa rd Current - I F 100 Reverse Current - I R 0 5 10 15 20 Reverse Voltage - VR (V) Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg) 10000 Junction Capacitance - C T (pF) TJ = 25C 10 1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1000 0 5 10 15 20 25 Forward Voltage Drop - V FM (V) Reverse Voltage - VR (V) Fig. 1 - Max. Forward Voltage Drop Characteristics (PerLeg) 1 Thermal Impedanc e Z thJC (C/W) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) 0.1 D D D D D = 0.75 = 0.50 = 0.33 = 0.25 = 0.20 P 0.01 Single Pulse (Thermal Resistance) Notes: DM t 1 t2 1. Duty fac tor D = t 1/ t 2 2. Peak TJ = PDM x Z t hJC+ T C 0.001 0.00001 0.0001 0.001 0.01 0.1 1 10 100 t 1 , Rectangular Pulse Duration (Seconds) Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg) www.irf.com 3 87CNQ020, 87CNQ020SM, 87CNQ020SL PD-20541 rev. E 10/99 150 Allowable Case Temperature - (C) Average Power Loss - (Watts) 145 140 135 130 125 see note (2) 25 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 DC 20 15 10 5 0 DC Square wave (D = 0.50) 80% Rated V R applied RMS Limit 120 0 10 20 30 40 50 60 0 10 20 30 40 50 60 Average Forward Current - I F(AV) (A) Average Forward Current - I F(AV) (A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (Per Leg) 10 0 0 0 Non-Repetitive Surge Current - I FSM (A) Fig. 6 - Forward Power Loss Characteristics (PerLeg) 10 0 0 At Any Rated Load Condition And With Rated V RRM Applied Following Surge 1 00 10 1 00 1 00 0 10 0 00 Square Wave Pulse Duration - t p (microsec) Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg) L HIGH-SPE ED SWITCH FREE-WHEEL DIODE 40HFL40S02 + V d = 25 V olt DUT IRFP460 Rg = 25 ohm C URRE NT MON ITOR Fig. 8 - Unclamped Inductive Test Circuit (2) Formula used: TC = TJ - (Pd + PdREV) x R thJC ; Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 6); Pd REV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = 80% rated VR 4 www.irf.com 87CNQ020, 87CNQ020SM, 87CNQ020SL PD-20541 rev. E 10/99 Outline Table Outline D61-8 Dimensions are in millimeters and (inches) Outline D61-8-SM Dimensions are in millimeters and (inches) www.irf.com 5 87CNQ020, 87CNQ020SM, 87CNQ020SL PD-20541 rev. E 10/99 Outline Table Outline D61-8-SL Dimensions are in millimeters and (inches) FOOT PRINT WORLD HEADQUARTERS: EUROPEAN HEADQUARTERS: IR CANADA: IR GERMANY: IR ITALY: IR FAR EAST: IR SOUTHEAST ASIA: IR TAIWAN: http://www.irf.com 233 Kansas St., El Segundo, California 90245 U.S.A. Tel: (310) 322 3331. Fax: (310) 322 3332. Hurst Green, Oxted, Surrey RH8 9BB, U.K. Tel: ++ 44 1883 732020. Fax: ++ 44 1883 733408. 15 Lincoln Court, Brampton, Markham, Ontario L6T3Z2. Tel: (905) 453 2200. Fax: (905) 475 8801. Saalburgstrasse 157, 61350 Bad Homburg. Tel: ++ 49 6172 96590. Fax: ++ 49 6172 965933. Via Liguria 49, 10071 Borgaro, Torino. Tel: ++ 39 11 4510111. Fax: ++ 39 11 4510220. K&H Bldg., 2F, 30-4 Nishi-Ikebukuro 3-Chome, Toshima-Ku, Tokyo, Japan 171. Tel: 81 3 3983 0086. 1 Kim Seng Promenade, Great World City West Tower,13-11, Singapore 237994. Tel: ++ 65 838 4630. 16 Fl. Suite D.207, Sec. 2, Tun Haw South Road, Taipei, 10673, Taiwan. Tel: 886 2 2377 9936. Data and specifications subject to change without notice. Fax-On-Demand: +44 1883 733420 6 www.irf.com |
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