Bulletin PD-20622 rev. A 08/03 STPS40L15CW 2 x 20 Amps SCHOTTKY RECTIFIER Description/ Features Major Ratings and Characteristics Characteristics Value Units IF(AV) Rectangular 40 A VRRM 15 V IFSM @ tp = 5 s sine 700 A VF 0.25 V - 55 to 125 C The STPS40L15CW 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. waveform @ 19 Apk, TJ = 125C 125C TJ operation (VR < 5V) Center tap module Optimized for OR-ing applications Ultra low forward voltage drop (per leg, Typical) TJ TO-247AC 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 3. 65 (0 .14 4) 15 .90 (0 .626 ) 3. 55 (0 .13 9) DIA. 15 .30 (0 .602 ) 5. 30 (0 .20 9) 4.70 ( 0.185) 2.5 ( 0.098) 1.5 ( 0.059) 5. 70 (0 .22 5) BASE COMMON CATHODE 5.30 ( 0.208) 2 20 .30 (0 .800 ) 19 .70 (0 .775 ) 5.50 ( 0.217) 4. 50 (0 .17 7) 1 2 1 (2 PLCS.) 3 2 3 ANODE COMMON ANODE CATHODE 1 2 14. 80 ( 0.583) 14 .20 ( 0 .559 ) 4. 30 (0 .17 0) 3. 70 (0 .14 5) 2. 20 (0 .08 7) 1. 40 ( 0 .05 6) 1. 00 (0 .03 9) 2. 40 (0 .09 5) M AX . M AX . 0.80 ( 0.032) 0. 40 (0 .21 3) 10. 94 ( 0.430) 10 .86 (0 .427 ) www.irf.com Conform to JEDEC outline TO-247AC (TO-3P) Dimensions in millimeters and inches 1 STPS40L15CW Bulletin PD-20622 rev. A 08/03 Voltage Ratings Part number VR STPS40L15CW Max. DC Reverse Voltage (V) @ TJ = 100 C 15 VRWM Max. Working Peak Reverse Voltage (V) @ TJ = 100 C Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current IFSM * See Fig. 5 Value Units (Per Leg) 20 A (Per Device) 40 Max. Peak One Cycle Non-Repetitive 700 Surge Current (Per Leg) * See Fig. 7 330 EAS Non-Repetitive Avalanche Energy (Per Leg) 10 mJ IAR Repetitive Avalanche Current (Per Leg) 2 A Value Units Typ. Max. 0.41 0.52 0.25 0.33 0.37 0.50 V V V V A Conditions 50% duty cycle @ TC = 86C, rectangular wave form 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 = 2 Amps, L = 5 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters VFM IRM Forward Voltage Drop (Per Leg) * See Fig. 1 (1) Reverse Leakage Current (Per Leg) * See Fig. 2 (1) VF(TO) Threshold Voltage Conditions @ 19A @ 40A @ 19A @ 40A TJ = 25 C TJ = 125 C - 10 mA TJ = 25 C - 600 mA TJ = 100 C 0.182 V TJ = TJ max. 7.6 m VR = rated VR rt Forward Slope Resistance CT Max. Junction Capacitance (Per Leg) - 2000 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25C LS Typical Series Inductance (Per Leg) 8 - nH Measured lead to lead 5mm from package body dv/dt Max. Voltage Rate of Change (Rated VR) 10000 V/ s (1) Pulse Width < 300s, Duty Cycle <2% Thermal-Mechanical Specifications Parameters Value Units C TJ Max. Junction Temperature Range -55 to 125 Tstg Max. Storage Temperature Range -55 to 150 Conditions C RthJC Max. Thermal Resistance Junction to Case (Per Leg) 1.4 C/W DC operation RthJC Max. Thermal Resistance Junction to Case (Per Package) 0.7 C/W DC operation RthCS Typical Thermal Resistance, Case to Heatsink 0.24 C/W Mounting surface , smooth and greased wt Approximate Weight T Mounting Torque 6 (0.21) Min. Max. Case Style 2 6 (5) 12 (10) * See Fig. 4 g (oz.) Kg-cm Non-lubricated threads (Ibf-in) TO-247AC (TO-3P) JEDEC www.irf.com STPS40L15CW Bulletin PD-20622 rev. A 08/03 Reverse Current - I R (mA) 1000 100 TJ = 100C 100 75C 50C 10 25C 1 0.1 0 3 6 9 12 15 Reverse Voltage - V R (V) Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage 10000 TJ = 125C 10 Junction Capacitance - C T (pF) Instantaneous Forward Current - IF (A) 1000 TJ = 75C TJ = 25C 1 TJ = 25C 1000 100 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 0 5 10 15 Forward Voltage Drop - V FM (V) Reverse Voltage - VR (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage 20 Thermal Impedance Z thJC (C/W) 10 1 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 PDM t1 0.1 Notes: Single Pulse (Thermal Resistance) 0.01 0.00001 0.0001 0.001 0.01 t2 1. Duty factor D = t 1/ t 2 2. Peak TJ = PDM x ZthJC+ TC 0.1 1 10 100 t 1 , Rec tangular Pulse Duration (Seconds) Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics www.irf.com 3 STPS40L15CW Bulletin PD-20622 rev. A 08/03 14 Average Power Loss - (Watts) Allowable Case Temperature - (C) 100 95 90 Square wave (D = 0.50) 85 80 75 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 12 10 RMSLimit 8 DC 6 4 2 0 70 0 5 10 15 20 0 25 5 10 15 20 25 30 Average Forward Current - I F(AV) (A) Average Forward Current - I F(AV) (A) Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current Fig. 6 - Forward Power Loss Characteristics Non-Repetitive Surge Current - I FSM (A) 1000 At Any Rated Load Condition And With Rated VRRM Applied Following Surge 100 10 100 1000 10000 Square Wave Pulse Duration - t p (microsec) Fig. 7 - Maximum Non-Repetitive Surge Current 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 STPS40L15CW Bulletin PD-20622 rev. A 08/03 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. 08/03 www.irf.com 5