Bulletin PD-20645 rev. D 03/03 MBRS320 3 Amp SCHOTTKY RECTIFIER SMC Major Ratings and Characteristics Description/ Features The MBRS320 surface-mount Schottky rectifier has been designed for applications requiring low forward drop and small foot prints on PC boards. Typical applications are in disk drives, switching power supplies, converters, free-wheeling diodes, battery charging, and reverse battery protection. Characteristics MBRS320 Units IF(AV) Rectangular waveform 3.0 A VRRM 20 V Small foot print, surface mountable Very low forward voltage drop IFSM @ t p= 5 µs sine 820 A High frequency operation VF @ 3.0 Apk, TJ = 125°C 0.36 V Guard ring for enhanced ruggedness and long term reliability TJ range - 65 to 150 °C Device Marking: IR32 2.75 (.108) 3.15 (.124) 5.59 (.220) 6.22 (.245) CATHODE ANODE 6.60 (.260) 7.11 (.280) .152 (.006) .305 (.012) 2.00 (.079) 2.62 (.103) 1 1 POLARITY 2 2 PART NUMBER .102 (.004) 0.76 (.030) 1.52 (.060) 7.75 (.305) 8.13 (.320) .203 (.008) Outline SMC Dimensions in millimeters and (inches) For recommended footprint and soldering techniques refer to Application Note # AN-994 www.irf.com 1 MBRS320 Bulletin PD-20645 rev. D 03/03 Voltage Ratings Part number VR MBRS320 Max. DC Reverse Voltage (V) 20 VRWM Max. Working Peak Reverse Voltage (V) Absolute Maximum Ratings Parameters Value Units Conditions IF(AV) Max. Average Forward Current 3.0 IFSM Max. Peak One Cycle Non-Repetitive 820 5µs Sine or 3µs Rect. pulse Surge Current 80 10ms Sine or 6ms Rect. pulse EAS Non Repetitive Avalanche Energy IAR Repetitive Avalanche Current A 4 mJ 1.0 A 50% duty cycle @ TL = 136°C, rectangular wave form Following any rated load condition and with rated VRRM applied TJ = 25 °C, IAS = 1.0A, L = 8mH Current decaying linearly to zero in 1 µsec Frequency limited by TJ max. Va = 1.5 x Vr typical Electrical Specifications Parameters VFM IRM Typ. Max. Forward Voltage Drop (1) Max. Reverse Leakage Current (1) Max. Units Conditions 0.41 0.45 V @ 3A 0.45 0.53 V @ 6A 0.29 0.36 V @ 3A 0.35 0.46 V @ 6A 0.04 0.5 mA 8.0 20 mA TJ = 100 °C 23 35 mA TJ = 125 °C VR = 5VDC (test signal range 100kHz to CT Typical Junction Capacitance 360 - pF LS Typical Series Inductance 3.0 - nH - 10000 TJ = 25 °C TJ = 125 °C T J = 25 °C VR = rated VR 1Mhz), @ 25°C dv/dt Max. Voltage Rate of Change Measured lead to lead 5mm from package body V/ µs (Rated VR) (1) Pulse Width < 300µs, Duty Cycle < 2% Thermal-Mechanical Specifications Parameters Value Units TJ Max. Junction Temperature Range (*) - 65 to 150 °C Tstg Max. Storage Temperature Range - 65 to 150 °C Conditions RthJL Max. Thermal Resistance Junction to Lead (**) 12 °C/W DC operation RthJA Max. Thermal Resistance Junction 46 °C/W to Ambient Wt Approximate Weight SMC Device Marking IR32 (*) dPtot dTj 2 0.24(0.008) gr (oz) Case Style < 1 Rth( j-a) Similar DO-214AB thermal runaway condition for a diode on its own heatsink (**) Mounted 1 inch square PCB www.irf.com MBRS320 Bulletin PD-20645 rev. D 03/03 100 100 Reverse Current - I R (mA) 10 125˚C 10 100˚C 1 75˚C 0.1 50˚C 25˚C 0.01 0.001 0 5 10 15 Reverse Voltage - VR (V) 20 Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg) 1000 Junction Capacitance - C T (p F) Instantaneous Forward Current - I F (A) Tj = 150˚C Tj = 150˚C 1 Tj = 125˚C Tj = 25˚C Tj = 25˚C 100 0.1 0 0.2 0.4 0.6 0 0.8 5 10 15 20 Forward Voltage Drop - VFM (V) Reverse Voltage - VR (V) Fig. 1 - Max. Forward Voltage Drop Characteristics (Per Leg) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) Thermal Impedance Z thJC (°C/W) 100 10 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 PDM t1 t2 1 Notes: Single Pulse (Thermal Resistance) 1. Duty factor D = t1/ t2 2. Peak Tj = Pdm x ZthJC + Tc 0.1 0.00001 0.0001 0.001 0.01 0.1 1 10 100 t1 , Rectangular Pulse Duration (Seconds) Fig. 4 - Max. Thermal Impedance Z www.irf.com thJC Characteristics (Per Leg) 3 MBRS320 Bulletin PD-20645 rev. D 03/03 1.6 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 150 145 140 Allowable Power Loss (Watts) Allowable Lead Temperature (°C) 155 DC 135 130 Square wave 125 see note (2) D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 1.4 1.2 1 RMS Limit 0.8 0.6 DC 0.4 0.2 120 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 0 Average Forward Current - I F(AV) (A) FSM (A) Fig. 5 - Maximum Average Forward Current Vs. Allowable Lead Temperature Non-Repetitive Surge Current - I 1 2 3 4 5 Average Forward Current - I F(AV) (A) Fig. 6 - Maximum Average Forward Dissipation Vs. Average Forward Current 1000 Tj = 25˚C 100 At Any Rated Load Condition And With Rated Vrrm Applied Following Surge 10 10 100 1000 10000 Square Wave Pulse Duration - t p (microsec) Fig. 7 - Maximum Peak Surge Forward Current Vs. Pulse Duration (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) 4 www.irf.com MBRS320 Bulletin PD-20645 rev. D 03/03 Tape & Reel Information 16 (0.63) 330 (13) 8 (0.32) FEED DIRECTION 16 (0.63) Dimensions in millimetres and (inches) Marking & Identification Each device has 2 rows for identification. The first row designates the device as manufactured by International Rectifier as indicated by the letters "IR", and the Part Number (indicates the current and the voltage rating). The second row indicates the year, the week of manufacturing and the Site ID. Ordering Information MBRS320TR - TAPE AND REEL WHEN ORDERING, INDICATE THE PART NUMBER AND THE QUANTITY ( IN MULTIPLES OF 3000 PIECES). EXAMPLE: MBRS320TR - 6000 PIECES IR32 VOLTAGE CURRENT IR LOGO YYWWX SITE ID WEEK YEAR www.irf.com 5 MBRS320 Bulletin PD-20645 rev. D 03/03 Data and specifications subject to change without notice. This product has been designed 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. 03/03 6 www.irf.com