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| Bulletin PD-20577 rev. D 08/01 20L15T 20L15TS SCHOTTKY RECTIFIER 20 Amps Major Ratings and Characteristics Characteristics IF(AV) Rectangular waveform VRRM IFSM VF TJ @ tp = 5 s sine @ 19 Apk, TJ=125C ( Typical) range Description/Features Units A V A V The 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) Single diode configuration Optimized for OR-ing applications Ultra low forward voltage drop Guard ring for enhanced ruggedness and long term reliability High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Values 20 15 700 0.25 - 55 to 125 C Case Styles 20L15T 20L15TS Base Cathode Base Cathode 2 1 3 1 3 Cathode Anode N/C Anode TO-220AC www.irf.com D2PAK 1 20L15T, 20L15TS Bulletin PD-20577 rev. D 08/01 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 IFSM EAS IAR Max. Peak One Cycle Non-Repetitive Surge Current * See Fig. 7 Non-Repetitive Avalanche Energy Repetitive Avalanche Current 700 330 10 2 A mJ A 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 Values 20 Units A Conditions 50% duty cycle @ TC = 85C, rectangular wave form Electrical Specifications Parameters VFM Forward Voltage Drop * See Fig. 1 Values Typ. 0.25 0.37 (1) 7.6 8 2000 Max. 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 (1) IRM Reverse Leakage Current * 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 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) 10,000 (1) Pulse Width < 300s, Duty Cycle <2% Thermal-Mechanical Specifications Parameters TJ Tstg Max. Junction Temperature Range Max. Storage Temperature Range 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 RthCS Typical Thermal Resistance Case to Heatsink RthJA Max. Thermal Resistance Junction to Ambient wt T Approximate Weight MountingTorque C/W DCoperation * See Fig. 4 C/W Mounting surface , smooth and greased For TO-220 C/W DC operation For D2Pak g (oz.) Kg-cm Non-lubricated threads (Ibf-in) 2 www.irf.com 20L15T, 20L15TS Bulletin PD-20577 rev. D 08/01 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 20L15T, 20L15TS Bulletin PD-20577 rev. D 08/01 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 20L15T, 20L15TS Bulletin PD-20577 rev. D 08/01 Outline Table 10.16 (0.40) REF. 4.69 (0.18) 4.20 (0.16) 1.32 (0.05) 6.47 (0.25) 15.49 (0.61) 1.22 (0.05) 93 6.18 (0.24) 14.73 (0.58) 2.61 (0.10) 2.32 (0.09) 8.89 (0.35) 5.28 (0.21) 4.78 (0.19) 0.55 (0.02) 0.46 (0.02) 3X 1.40 (0.055) REF. 0.93 (0.37) 0.69 (0.27) 1.14 (0.045) 2X Base Cathode 2 MINIMUM RECOMMENDED FOOTPRINT 11.43 (0.45) 1 3 4.57 (0.18) 4.32 (0.17) 2 1 3 8.89 (0.35) 17.78 (0.70) 3.81 (0.15) 2.08 (0.08) 2X 0.61 (0.02) MAX. 5.08 (0.20) REF. N/C Anode Conform to JEDEC outline D2Pak (SMD-220) Dimensions in millimeters and (inches) 2.54 (0.10) 2X Tape & Reel Information TRR 1.60 (0.063) 1.50 (0.059) 4.10 (0.161) 3.90 (0.153) 1.60 (0.063) 1.50 (0.059) DIA. 0.368 (0.0145) 0.342 (0.0135) FEED DIR ECTION 1.85 (0.073) 1.65 (0.065) 11.60 (0.457) 11.40 (0.449) 15.42 (0.609) 15.22 (0.601) 1.75 (0.069) 24.30 (0.957) 23.90 (0.941) TRL 10.90 (0.429) 10.70 (0.421) 1.25 (0.049) 16.10 (0.634) 15.90 (0.626) DIA. 4.72 (0.186) 4.52 (0.178) FEED DIRECTION 13.50 (0.532) 12.80 (0.504) DIA. 26.40 (1.039) 24.40 (0.961) SMD-220 Tape & Reel When ordering, indicate the part number, part orientation, and the quantity. Quantities are in multiples 60 (2.362) D IA . MIN . 360 (14.173) DIA. MAX. of 800 pieces per reel for both TRL and TRR. Dimensions in millimeters and (inches) www.irf.com 5 20L15T, 20L15TS Bulletin PD-20577 rev. D 08/01 Outline Table 10.54 (0.41) MAX. 3.78 (0.15) 3.54 (0.14) 15.24 (0.60) 14.84 (0.58) 1 14.09 (0.55) 13.47 (0.53) 3 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) 2.89 (0.11) 2.64 (0.10) Base Cathode 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) 1 4.57 (0.18) 4.32 (0.17) 3 0.61 (0.02) MAX. 1 3 Cathode Anode 5.08 (0.20) REF. Conform to JEDEC outline TO-220AC Dimensions in millimeters and (inches) 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. 08/01 6 www.irf.com |
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