Bulletin PD-20874 rev. A 02/07 STPS40L15CTPbF SCHOTTKY RECTIFIER 2 x 20 Amps IF(AV) = 40Amp VR = 15V Major Ratings and Characteristics Description/ Features Characteristics Values Units IF(AV) Rectangular 40 A VRRM 15 V IFSM @ tp = 5 s sine 700 A VF 0.25 V waveform @ 19 Apk, TJ=125C (per leg, Typical) TJ The 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. 125C TJ operation (VR < 5V) Center tap module Optimized for OR-ing applications Ultra low forward voltage drop High frequency operation - 55 to 125 C Guard ring for enhanced ruggedness and long term reliability High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Lead-Free ("PbF" suffix) Case Styles Base Common Cathode 2 1 Anode 2 Common Cathode 3 Anode TO-220 www.irf.com 1 STPS40L15CTPbF Bulletin PD-20874 rev. A 02/07 Voltage Ratings Part number VR Values 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 Values Units 20 A (Per Leg) (Per Device) Conditions 50% duty cycle @ TC = 85C, rectangular wave form 40 Max. Peak One Cycle Non-Repetitive 700 A 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 Values Units 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 = 6 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters Conditions Typ. Max. VFM IRM Forward Voltage Drop (Per Leg) * See Fig. 1 (1) Reverse Leakage Current (Per Leg) * See Fig. 2 (1) VF(TO) Threshold Voltage 0.25 0.37 0.41 0.52 0.33 0.50 V V V V @ 19A @ 40A @ 19A @ 40A - 10 mA TJ = 25 C - 600 mA TJ = 100 C 0.182 V TJ = TJ max. 7.6 m TJ = 25 C TJ = 125 C 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 Values Units TJ Parameters Max. Junction Temperature Range -55 to 125 C Tstg Max. Storage Temperature Range -55 to 150 C RthJC Max. Thermal Resistance Junction to Case (Per Leg) RthCS Typical Thermal Resistance Case to Heatsink RthJA Max. Thermal Resistance Junction to Ambient wt Approximate Weight T Mounting Torque 2 0.50 40 2 (0.07) Min. Max. Marking Device 1.5 6 (5) 12 (10) Conditions C/W DC operation * See Fig. 4 C/W Mounting surface , smooth and greased Only for TO-220 C/W DC operation For D2Pak and TO-262 g (oz.) Kg-cm Non-lubricated threads (Ibf-in) STPS40L15CT www.irf.com STPS40L15CTPbF Bulletin PD-20874 rev. A 02/07 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 0 0.2 0.4 0.6 0.8 1 1.2 1.4 TJ = 25C 1000 100 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 Impedanc e Z thJC (C/W) 10 1 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 PDM t 0.1 Single Pulse (Thermal Resistanc e) 0.01 0.00001 0.0001 0.001 0.01 Notes: 1 t2 1. Duty fac tor D = t 1/ t 2 2. Peak TJ = PDM x Z thJC+ TC 0.1 1 10 100 t 1 , Rectangular Pulse Duration (Sec onds) Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics www.irf.com 3 STPS40L15CTPbF 100 14 95 12 Average Power Loss - (Watts) Allowa ble Case Temperature - (C) Bulletin PD-20874 rev. A 02/07 90 85 Square wave (D = 0.50) 80 75 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 10 RMSLimit 8 DC 6 4 2 see note ( 2) 70 0 4 8 12 16 20 0 24 0 Average Forward Current - I F(AV) (A) Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current Non-Repetitive Surge Current - I FSM (A) 5 10 15 20 25 30 Average Forward Current - I F(AV) (A) Fig. 6 - Forward Power Loss Characteristics 1000 At Any Rated Load Condition And With Rated VRRM Ap plied Following Surge 100 10 100 1000 10000 Square Wave Pulse Duration - t p (microsec) Fig. 7 - Maximum Non-Repetitive Surge Current L IRFP460 DUT Rg = 25 ohm CURRENT MONITOR HIGH-SPEED SWITCH FREE-WHEEL DIODE + Vd = 25 Volt 40HFL40S02 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 = V R1 x IR (1 - D); IR @ VR1 = 80% rated VR 4 www.irf.com STPS40L15CTPbF Bulletin PD-20874 rev. A 02/07 Outline Table Conform to JEDEC outline TO-220AB Part Marking Information IRXC Assembly Line - SubCon Assembly Line EXAMPLE: THIS IS A STPS40L15CT LOT CODE 1789 ASSEMBLED ON WW 19, 2001 IN THE ASSEMBLY LINE "C" IRMX Assembly Line EXAMPLE: THIS IS A STPS40L15CT LOT CODE 1789 ASSEMBLED ON WW 19, 2001 www.irf.com INTERNATIONAL RECTIFIER LOGO ASSEMBLY LOT CODE INTERNATIONAL RECTIFIER LOGO ASSEMBLY LOT CODE PART NUMBER DATE CODE P = LEAD-FREE YEAR 1 = 2001 WEEK 19 LINE C PART NUMBER DATE CODE YEAR 1 = 2001 WEEK 19 P = LEAD-FREE 5 STPS40L15CTPbF Bulletin PD-20874 rev. A 02/07 Ordering Information Table Device Code STPS 40 L 15 CT PbF 1 2 3 4 5 6 1 - Schottky STPS Series 2 - Current Rating (40 = 40A) 3 - L = Low Voltage Drop 4 - Voltage Rating (15 = 15V) 5 - CT = Essential Part Number 6 y none = Standard Production y PbF = Lead-Free Data and specifications subject to change without notice. This product has been designed and qualified for Industrial Level and Lead-Free. 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. 02/07 6 www.irf.com