20L15T

20L15T Vishay High Power Products Schottky Rectifier, 20 A FEATURES Base cathode 2 • 125 °C TJ operation (VR < 5 V) • 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 • Designed and qualified for industrial level TO-220AC 1 Cathode 3 Anode PRODUCT SUMMARY IF(AV) VR IRM 20 A 15 V 600 mA at 100 °C DESCRIPTION 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. MAJOR RATINGS AND CHARACTERISTICS SYMBOL IF(AV) VRRM IFSM VF TJ tp = 5 µs sine 19 Apk, TJ = 125 °C (typical) Range CHARACTERISTICS Rectangular waveform VALUES 20 15 700 0.25 - 55 to 125 UNITS A V A V °C VOLTAGE RATINGS PARAMETER Maximum DC reverse voltage Maximum working peak reverse voltage SYMBOL VR VRWM TEST CONDITIONS TJ = 100 °C 20L15T 15 UNITS V ABSOLUTE MAXIMUM RATINGS PARAMETER Maximum average forward current See fig. 5 Maximum peak one cycle non-repetitive surge current See fig. 7 Non-repetitive avalanche energy Repetitive avalanche current SYMBOL IF(AV) TEST CONDITIONS 50 % duty cycle at TC = 85 °C, rectangular waveform 5 µs sine or 3 µs rect. pulse IFSM 10 ms sine or 6 ms rect. pulse EAS IAR TJ = 25 °C, IAS = 2 A, L = 6 mH Current decaying linearly to zero in 1 µs Frequency limited by TJ maximum VA = 1.5 x VR typical Following any rated load condition and with rated VRRM applied VALUES 20 700 330 10 2 mJ A A UNITS Document Number: 93277 Revision: 22-Aug-08 For technical questions, contact: diodes-tech@vishay.com www.vishay.com 1 20L15T Vishay High Power Products ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL 19 A Forward voltage drop See fig. 1 VFM (1) 40 A 19 A 40 A Reverse leakage current See fig. 2 Threshold voltage Forward slope resistance Maximum junction capacitance Typical series inductance Maximum voltage rate of change Note (1) Pulse width < 300 µs, duty cycle < 2 % IRM (1) VF(TO) rt CT LS dV/dt TJ = 25 °C TJ = 100 °C TJ = TJ maximum VR = 5 VDC, (test signal range 100 kHz to 1 MHz) 25 °C Measured lead to lead 5 mm from package body Rated VR 8 10 000 TEST CONDITIONS TJ = 25 °C TYP. 0.25 0.37 0.182 7.6 2000 MAX. 0.41 0.52 0.33 0.50 10 600 mA V mΩ pF nH V/µs V UNITS Schottky Rectifier, 20 A TJ = 125 °C VR = Rated VR THERMAL - MECHANICAL SPECIFICATIONS PARAMETER Maximum junction temperature range Maximum storage temperature range Maximum thermal resistance, junction to case Typical thermal resistance, case to heatsink Maximum thermal resistance, junction to ambient Approximate weight minimum maximum SYMBOL TJ TStg RthJC RthCS RthJA DC operation See fig. 4 Mounting surface, smooth and greased (For TO-220) DC operation (For D2PAK) TEST CONDITIONS VALUES - 55 to 125 - 50 to 150 1.5 0.50 40 2 0.07 Non-lubricated threads Case style TO-220AC 6 (5) 12 (10) 20L15T g oz. kgf · cm (lbf · in) °C/W UNITS °C Mounting torque Marking device www.vishay.com 2 For technical questions, contact: diodes-tech@vishay.com Document Number: 93277 Revision: 22-Aug-08 20L15T Schottky Rectifier, 20 A Vishay High Power Products 1000 1000 IF - Instantaneous Forward Current (A) IR - Reverse Current (mA) TJ = 100 °C 100 TJ = 75 °C 10 TJ = 50 °C TJ = 25 °C 1 100 10 TJ = 125 °C TJ = 75 °C TJ = 25 °C 1 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0.1 0 3 6 9 12 15 VFM - Forward Voltage Drop (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics VR - Reverse Voltage (V) Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage 10 000 CT - Junction Capacitance (pF) TJ = 25 °C 1000 100 0 5 10 15 20 VR - Reverse Voltage (V) Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage ZthJC - Thermal Impedance (°C/W) 10 1 PDM t1 0.1 Single pulse (thermal resistance) 0.01 0.00001 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 0.01 0.1 t2 Notes: 1. Duty factor D = t1/t2 . 2. Peak TJ = PDM x ZthJC + TC 1 10 100 0.0001 0.001 t1 - Rectangular Pulse Duration (s) Fig. 4 - Maximum Thermal Impedance ZthJC Characteristics Document Number: 93277 Revision: 22-Aug-08 For technical questions, contact: diodes-tech@vishay.com www.vishay.com 3 20L15T Vishay High Power Products 100 Schottky Rectifier, 20 A 14 Allowable Case Temperature (°C) 95 90 Square wave (D = 0.50) 85 80 75 See note (1) 70 0 4 8 12 16 20 24 Average Power Loss (W) 12 10 8 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 RMS limit 6 4 DC 2 0 0 5 10 15 20 25 30 IF(AV) - Average Forward Current (A) Fig. 5 - Maximum Allowable Case Temperature vs. Average Forward Current IF(AV) - Average Forward Current (A) Fig. 6 - Forward Power Loss Characteristics 1000 IFSM - Non-Repetitive Surge Current (A) At any rated load condition and with rated VRRM applied following surge 100 10 100 1000 10 000 tp - Square Wave Pulse Duration (µs) Fig. 7 - Maximum Non-Repetitive Surge Current L High-speed switch Freewheel diode 40HFL40S02 + Vd = 25 V D.U.T. IRFP460 Rg = 25 Ω Current monitor Fig. 8 - Unclamped Inductive Test Circuit Note Formula used: TC = TJ - (Pd + PdREV) x RthJC; Pd = Forward power loss = IF(AV) x VFM at (IF(AV)/D) (see fig. 6); PdREV = Inverse power loss = VR1 x IR (1 - D); IR at VR1 = 80 % rated VR (1) www.vishay.com 4 For technical questions, contact: diodes-tech@vishay.com Document Number: 93277 Revision: 22-Aug-08 20L15T Schottky Rectifier, 20 A Vishay High Power Products ORDERING INFORMATION TABLE Device code 20 1 1 2 3 4 5 - L 2 15 3 T 4 5 Current rating (20 = 20 A) Schottky “L” series Voltage code (15 = 15 V) Package T = TO-220 - None = Standard production PbF = Lead (Pb)-free Tube standard pack quantity: 50 pieces LINKS TO RELATED DOCUMENTS Dimensions Part marking information http://www.vishay.com/doc?95221 http://www.vishay.com/doc?95224 Document Number: 93277 Revision: 22-Aug-08 For technical questions, contact: diodes-tech@vishay.com www.vishay.com 5 Legal Disclaimer Notice Vishay Disclaimer All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed therein, which apply to these products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners. Document Number: 91000 Revision: 18-Jul-08 www.vishay.com 1