PD-20541 rev. E 10/99 87CNQ020 87CNQ020SM 87CNQ020SL SCHOTTKY RECTIFIER 80 Amp Major Ratings and Characteristics Description/Features Characteristics Values Units I F(AV) Rectangular waveform 80 A VRRM 20 V I FSM @ tp = 5 µs sine 6000 A VF 0.32 V @ 40 Apk, TJ= 125 °C 150 °C TJ operation Center tap module Optimized for 3.3V application Ultra low forward voltage drop High frequency operation (per leg) TJ range 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. - 55 to 150 °C 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 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 87CNQ020 / ..020SM / ..020SL VR Max. DC Reverse Voltage (V) @ 125° C 20 VR Max. DC Reverse Voltage (V) @ 150° C 10 Absolute Maximum Ratings Parameters 87CNQ Units 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) 80 40 6000 A A 1100 36 mJ 8 A Conditions 50% duty cycle @ TC = 135°C, rectangular wave form Following any rated 5µs Sine or 3µs 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 µsec Frequency limited by TJ max. V A = 1.5 x VR typical Electrical Specifications Parameters VFM IRM 87CNQ Units Max. Forward Voltage Drop (Per Leg) (1) Conditions 0.45 0.51 0.32 V V V @ 40A @ 80A @ 40A 0.39 V @ 80A 0.29 V @ 40A 0.37 V @ 80A Max. Reverse Leakage Current 5.5 mA TJ = 25 °C (Per Leg) 550 mA TJ = 125 °C (1) TJ = 25 °C TJ = 125 °C TJ = 150 °C VR = rated VR 90 mA TJ = 125 °C VR = 5V 70 480 mA mA TJ = 125 °C TJ = 150 °C VR = 3.3V VR = 10V VF(TO) Threshold Voltage rt Forward Slope Resistance 0.191 2.3 V mΩ TJ = T J max. CT Max. Junction Capacitance (Per Leg) 6500 pF VR = 5VDC , (test signal range 100Khz to 1Mhz) 25°C LS Typical Series Inductance (Per Leg) 5.5 nH Measured lead to lead 5mm from package body 10,000 V/ µs dv/dt Max. Voltage Rate of Change (Rated VR) (1) Pulse Width < 300µs, Duty Cycle <2% Thermal-Mechanical Specifications Parameters 87CNQ 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) 0.85 °C/W DCoperation RthJC Max. Thermal Resistance Junction to Case (Per Package) 0.42 °C/W DCoperation RthCS Typical Thermal Resistance, Case to Heatsink (D61-8 Only) 0.30 °C/W Mounting surface , smooth and greased wt Approximate Weight 7.8 (0.28) g (oz.) T Mounting Torque Min. 40 (35) (D61-8 Only) Max. 58 (50) Kg-cm (Ibf-in) 2 www.irf.com 87CNQ020, 87CNQ020SM, 87CNQ020SL PD-20541 rev. E 10/99 1000 Reverse Current - I 100 1000 125°C 100 100°C 10 75°C 50°C 1 25°C 0. 1 0.01 0 5 10 0.1 0.2 0.3 0.4 0.5 0.6 20 Reverse Voltage - VR (V) TJ = 125°C Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg) 10000 10 0 15 TJ = 150°C TJ = 25°C 1 T J = 150°C Junction Capacitance - C T (pF) Instantan eous Forwa rd Current - I F (A) R (mA) 10000 0.7 0.8 TJ = 25°C 1000 0.9 0 5 10 15 20 Forward Voltage Drop - V FM (V) Reverse Voltage - VR (V) Fig. 1 - Max. Forward Voltage Drop Characteristics (PerLeg) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) 25 Thermal Impedanc e Z thJC (°C/W) 1 0.1 D D D D D = 0.75 = 0.50 = 0.33 = 0.25 = 0.20 0.01 P DM Single Pulse (Thermal Resistance) t Notes: 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 25 145 Average Power Loss - (Watts) Allowable Case Temperature - (°C) 150 DC 140 135 Square wave (D = 0.50) 80% Rated V R applied 130 125 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 20 15 DC RMS Limit 10 5 see note (2) 120 0 10 20 30 40 50 0 60 0 Average Forward Current - I F(AV) (A) 10 20 30 40 50 60 Average Forward Current - I F(AV) (A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (Per Leg) Fig. 6 - Forward Power Loss Characteristics (PerLeg) Non-Repetitive Surge Current - I FSM (A) 10 0 0 0 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 IRFP460 DUT Rg = 25 ohm C URRE NT MON ITOR HIGH-SPE ED SWITCH FREE-WHEEL DIODE + V d = 25 V olt 40HFL40S02 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 6 233 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. Fax-On-Demand: +44 1883 733420 Data and specifications subject to change without notice. www.irf.com