Bulletin PD-20044 rev. B 09/01 85CNQ015A SCHOTTKY RECTIFIER New GenIII D-61 Package 80 Amp Major Ratings and Characteristics Characteristics IF(AV) Rectangular VRRM Description/Features 85CNQ015A Units 80 A waveform 15 V IFSM @ tp = 5 µs sine 5200 A VF @ 40 Apk, TJ= 75 °C (per leg) 0.32 V TJ range - 55 to 100 °C The 85CNQ015A center tap Schottky rectifier module has been optimized for ultra low forward voltage drop specifically for the OR-ing of parallel power supplies. The proprietary barrier technology allows for reliable operation up to 125 °C junction temperature. Typical applications are in parallel switching power supplies, converters, reverse battery protection, and redundant power subsystems. 125°C TJ operation (VR < 5V) Center tap module Optimized for OR-ing applications 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 New fully transfer-mold low profile, small footprint, high current package Case Styles 85CNQ...A D61-8 www.irf.com 85CNQ...ASM D61-8-SM 85CNQ...ASL D61-8-SL 1 85CNQ015A Bulletin PD-20044 rev. B 09/01 Voltage Ratings Part number VR 85CNQ015A Max. DC Reverse Voltage (V) 15 VRWM Max. Working Peak Reverse Voltage (V) 25 Absolute Maximum Ratings Parameters 85CNQ Units IF(AV) Max. Average Forward Current 80 Conditions A 50% duty cycle @ TC = 78 °C, rectangular wave form A Following any rated load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied * See Fig. 5 IFSM Max. Peak One Cycle Non-Repetitive 5200 Surge Current (Per Leg) * See Fig. 7 850 5µs Sine or 3µs Rect. pulse EAS Non-Repetitive Avalanche Energy (Per Leg) 9 mJ TJ = 25 °C, IAS = 2 Amps, L = 4.50 mH IAR Repetitive Avalanche Current (Per Leg) 2 A Current decaying linearly to zero in 1 µsec Frequency limited by TJ max. VA = 3 x VR typical Electrical Specifications Parameters VFM IRM 85CNQ Units Max. Forward Voltage Drop (Per Leg) * See Fig. 1 (1) Max. Reverse Leakage Current (Per Leg) * See Fig. 2 (1) CT Max. Junction Capacitance (Per Leg) LS Typical Series Inductance (Per Leg) dv/dt Max. Voltage Rate of Change (Rated VR) Conditions 0.36 0.45 0.32 V V V @ 40A @ 80A @ 40A 0.42 V @ 80A TJ = 25 °C TJ = 75 °C 20 mA TJ = 25 °C 1000 mA TJ = 100 °C 890 mA TJ = 100 °C VR = 12V 540 mA TJ = 100 °C VR = 5V 3600 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C 5.5 nH Measured lead to lead 5mm from package body 10000 V/ µs VR = rated VR (1) Pulse Width < 300µs, Duty Cycle <2% Thermal-Mechanical Specifications Parameters 85CNQ Units TJ Max. Junction Temperature Range -55 to 125 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 Device flatness < 5 mils wt Approximate Weight T MountingTorque (D61-8 Only) 2 Min. Max. 7.8 (0.28) g (oz.) 40 (35) 58 (50) Kg-cm (Ibf-in) * See Fig. 4 www.irf.com 85CNQ015A Bulletin PD-20044 rev. B 09/01 1000 1000 Reverse Current - IR (mA) Tj = 100˚C 50˚C 10 25˚C 1 0 5 10 15 Reverse Voltage - VR (V) 10 Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg) T J = 100˚C 10000 T J = 75˚C Junction Capacitance - C T (p F) Instantaneous Forward Current - I F (A) 100 75˚C 100 T J = 25˚C 1 T J = 25˚C 1000 0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0 0.7 Forward Voltage Drop - VFM (V) Fig. 1 - Max. Forward Voltage Drop Characteristics (Per Leg) 5 10 15 20 Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) Thermal Impedance Z thJC (°C/W) 1 D = 0.50 D = 0.33 D = 0.25 0.1 PDM D = 0.17 t1 t2 D = 0.08 Notes: Single Pulse (Thermal Resistance) 0.01 0.00001 0.0001 0.001 0.01 1. Duty factor D = t 1 / t2 2. Peak Tj = Pdm x ZthJC + Tc 0.1 1 10 100 t1 , Rectangular Pulse Duration (Seconds) Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg) www.irf.com 3 85CNQ015A Bulletin PD-20044 rev. B 09/01 20 R thJC (DC) = 0.85 ˚C/W Average Power Loss - (Watts) Allowable Case Temperature - (°C) 105 100 95 DC 90 85 80 D = 0.08 D = 0.17 D = 0.25 D = 0.33 D = 0.50 15 RMS Limit 10 DC 5 0 0 10 20 30 40 50 60 0 Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (Per Leg) Non-Repetitive Surge Current - IFSM (A) 10 20 30 40 50 60 Average Forward Current - IF(AV) (A) Average Forward Current - IF(AV) (A) Fig. 6 - Forward Power Loss Characteristics (Per Leg) 10000 1000 At Any Rated Load Condition And With Rated Vrrm Applied Following Surge 100 10 100 1000 10000 Square Wave Pulse Duration - tp (microsec) Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg) L DUT IRFP460 Rg = 25 ohm CURRENT MONITOR HIGH-SPEED SWITCH FREE-WHEEL DIODE + Vd = 25 Volt 40HFL40S02 Fig. 8 - Unclamped Inductive Test Circuit 4 www.irf.com 85CNQ015A Bulletin PD-20044 rev. B 09/01 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 85CNQ015A Bulletin PD-20044 rev. B 09/01 Outline Table Outline D61-8-SL Dimensions are in millimeters and (inches) 6 www.irf.com 85CNQ015A Bulletin PD-20044 rev. B 09/01 Part Marking Information INTERNATIONAL RECTIFIER LOGO THIS IS A 85CNQ015A WITH LOT CODE 89 09 ASSEMBLED ON WW 45, 2000 IN THE ASSEMBLY LINE "A" PART NUMBER 85CNQ015A 89 09 045A DATE CODE ASSEMBLY LOT CODE YEAR 0 = 2000 WEEK 45 LINE A D61-8 INTERNATIONAL RECTIFIER LOGO THIS IS A 85CNQ015ASM WITH LOT CODE 89 09 ASSEMBLED ON WW 45, 2000 IN THE ASSEMBLY LINE "A" PART NUMBER 85CNQ015ASM 89 09 045A DATE CODE YEAR 0 = 2000 WEEK 45 LINE A ASSEMBLY LOT CODE D61-8-SM THIS IS A 85CNQ015ASL WITH LOT CODE 89 09 INTERNATIONAL RECTIFIER LOGO PART NUMBER 85CNQ015ASL ASSEMBLED ON WW 45, 2000 IN THE ASSEMBLY LINE "A" 89 09 ASSEMBLY LOT CODE 045A DATE CODE YEAR 0 = 2000 WEEK 45 LINE A D61-8-SL www.irf.com 7 85CNQ015A Bulletin PD-20044 rev. B 09/01 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. 09/01 8 www.irf.com