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| Bulletin PD-20629 05/01 STPS40L15CT SCHOTTKY RECTIFIER 2 x 20 Amps Major Ratings and Characteristics Characteristics IF(AV) Rectangular waveform VRRM IFSM @ tp = 5 s sine VF TJ @ 19 Apk, TJ=125C (per leg, Typical) Description/Features Units A V A V 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 Guard ring for enhanced ruggedness and long term reliability High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Values 40 15 700 0.25 - 55 to 125 C Case Styles STPS40L15CT BASE COMMON CATHODE 2 1 2 3 ANODE COMMON ANODE CATHODE 1 2 TO-220AB www.irf.com 1 STPS40L15CT Bulletin PD-20629 05/01 Voltage Ratings Part number VR Max. DC Reverse Voltage (V) @ TJ = 100 C VRWM Max. Working Peak Reverse Voltage (V) @ TJ = 100 C Values 15 Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current * See Fig. 5 (Per Leg) (Per Device) Values 20 40 700 330 10 2 Units A Conditions 50% duty cycle @ TC = 85C, 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 = 6 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical I FSM Max. Peak One Cycle Non-Repetitive Surge Current (Per Leg) * See Fig. 7 E AS I AR Non-Repetitive Avalanche Energy (Per Leg) Repetitive Avalanche Current (Per Leg) A mJ A Electrical Specifications Parameters VFM Forward Voltage Drop (Per Leg) * See Fig. 1 Values Typ. Max. (1) 0.25 0.37 (1) 7.6 8 2000 (Per Leg) 0.41 0.52 0.33 0.50 10 600 Units V V V V mA mA V m pF nH V/ s @ 19A @ 40A @ 19A @ 40A Conditions TJ = 25 C TJ = 125 C VR = rated VR IRM Reverse Leakage Current (Per Leg) * See Fig. 2 TJ = 25 C TJ = 100 C TJ = TJ max. VF(TO) Threshold Voltage rt CT LS Forward Slope Resistance Max. Junction Capacitance (Per Leg) Typical Series Inductance 0.182 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) 10000 Thermal-Mechanical Specifications Parameters TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range (1) Pulse Width < 300s, Duty Cycle <2% Values -55 to 125 -55 to 150 1.5 0.50 40 2 (0.07) Min. Max. 6 (5) 12 (10) Units C C Conditions RthJC Max. Thermal Resistance Junction to Case (Per Leg) RthCS Typical Thermal Resistance Case to Heatsink RthJA Max. Thermal Resistance Junction to Ambient wt T Approximate Weight Mounting Torque 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) 2 www.irf.com STPS40L15CT Bulletin PD-20629 05/01 1 00 0 10 0 0 T J = 100 C 100 75 C 50 C Reverse C urren t - I R (m A) 10 25 C 1 Instan ta n eo us Forw ard C ur ren t - I F (A ) 100 0 .1 0 3 6 9 12 15 Reverse V oltag e - V R (V ) Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage 1 00 0 0 Jun ction C a pa cita n ce - C T (pF) T J = 12 5 C TJ = 7 5 C TJ = 2 5 C 10 T J = 25 C 1 0 00 1 0 0 .2 0 .4 0.6 0.8 1 1 .2 1.4 1 .6 Forw a rd V olta ge D rop - V FM (V ) 100 0 5 10 15 20 Reverse V olta ge - VR (V ) Fig. 1 - Maximum Forward Voltage Drop Characteristics 10 Th erm a l Im pedance Z thJC ( C /W ) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage 1 D D D D D = = = = = 0 .75 0 .50 0 .33 0 .25 0 .2 0 PD M 0 .1 Sin gle Pu lse (Therm a l Resista n ce) Notes: t1 t2 1. D uty factor D = t 1/ t 2 2. Peak T J = P D M x Z thJC+ T C 0 .1 1 10 100 0 .0 1 0.00 00 1 0 .00 0 1 0 .0 01 0.0 1 t 1 , Re ctan g ular Pu lse D ura tio n (Seco nd s) Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics www.irf.com 3 STPS40L15CT Bulletin PD-20629 05/01 1 00 Allow a b le Ca se Te m pera t ure - ( C ) A vera ge Pow er Loss - (W a tts) 95 90 85 80 75 se e no te ( 2) 14 12 10 8 6 4 2 0 0 4 8 12 16 20 24 0 5 10 15 20 25 30 A vera ge Forw ard C urren t - I F(AV) (A) A vera ge Forw a rd C urren t - I F(AV) (A) D D D D D = = = = = 0.20 0.25 0.33 0.50 0.75 RM S Lim it DC Squa re w ave (D = 0.50) 70 Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current 1000 Non-Repetitive Surge C urrent - I FSM (A) Fig. 6 - Forward Power Loss Characteristics At An y Rated Load C ond ition An d W ith Rated V RRM Ap plied Follow in g Surg e 100 10 100 1000 10000 Sq uare W ave Pulse D uration - t p (m icrosec) Fig. 7 - Maximum Non-Repetitive Surge Current L H IG H -SPE ED SW ITC H FREE-W HE EL D IO D E 40H FL40S02 V d = 25 V olt D UT IRFP460 Rg = 25 ohm + C UR RE N T M O N ITO R 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 = VR1 x IR (1 - D); IR @ VR1 = 80% rated VR 4 www.irf.com STPS40L15CT Bulletin PD-20629 05/01 Outline Table 10.54 (0.41) MAX. 3.78 (0.15) 3.54 (0.14) 15.24 (0.60) 14.84 (0.58) 123 14.09 (0.55) 13.47 (0.53) 3.96 (0.16) 3.55 (0.14) 2.04 (0.080) MAX. 1.40 (0.05) 1.15 (0.04) 0.94 (0.04) 0.69 (0.03) 1 2 3 1.32 (0.05) DIA. 6.48 (0.25) 6.23 (0.24) 2 1.22 (0.05) 2.92 (0.11) 2.54 (0.10) TERM 2 0.10 (0.004) 2.89 (0.11) 2.64 (0.10) BASE COMMON CATHODE 2 123 4.57 (0.18) 4.32 (0.17) 0.61 (0.02) MAX. ANODE COMMON ANODE CATHODE 1 2 Conform to JEDEC outline TO-220AB Dimensions in millimeters and (inches) 5.08 (0.20) REF. 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. 05/01 www.irf.com 5 |
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