6367255 MOTOROLA SC {DIODES/OPTO) S10 57538 0 7-o3-17- 51 60DE BP b3b7255 00575398 O (S) MOTOROLA - MBR1020 MBR1035 | , ee eal MBRi04& P.O. BOX 20912 PHOENIX, ARIZONA 85036 SCHOTTKY BARRIER RECTIFIERS SWITCHMODE POWER RECTIFIERS 10 AMPERES ..-using the Schottky Sarrier principle with a platinum barrier metal. 20 to 45 VOLTS These state-of-the-art devices have the following features: @ Guardring for Stress Protection @ Low Forward Voltage @ 150C Operating Junction Temperature @ Guaranteed Reverse Avalanche @ Epoxy Meets UL94, VO at 1/8 CASE 221B-01 TO-220AC i - MAXIMUM RATINGS Rating Symbol MBR1020 MBR1035 MBR1045 Unit Peak Repetitive Reverse Voltage VRRM Working Peak Reverse Voltage VRWM 20 35 45 Volts OC Blocking Voltage VR Average Rectified Forward Current (Rated Vp) IFLAV) 10 10 10 Amps Tc = 135C | Peak Repetitive Forward Current leRM 20 20 20 Amps (Rated Vp, Square Wave, 20 kHz) Tc = 135C Nonrepetitive Peak Surge Current lFSM 150 150 150 Amps (Surge applied at rated load conditions halfwave, single phase, 60 Hz) Peak Repetitive Reverse Surge Current IRRM 1.0 1.0 1.0 Amps (2.0 ps, 1.0 kHz) See Figure 12 Operating Junction Temperature Ty -65 to+ 150 -65 to+ 150 -65 to+ 150 c Storage Temperature Tstg ~65 to +175 -65 to +175 -65 to +175 Voltage Rate of Change (Rated VR) dv/dt 1000 1000 1000 V/us THERMAL CHARACTERISTICS Characteristic Symbol MBR1020 MBR1035 MBR1045 Unit Maximum Thermal Resistance, Junction to Case RgJc 2.0 2.0 2.0 C/W ELECTRICAL CHARACTERISTICS Characteristic Symbol MBR1020 MBR1035 MBR1045 Unit Maximum instantaneous Forward Voltage (1) VE Volts : (ip= 10 A, Te = 125C) 0.57 0.57 0.57 WL (ip = 20 A, Tc = 125C) 0.72 0.72 0.72 (ip = 20 A, Tc = 25C) 0.84 0.84 0.84 Maximum Instantaneous Reverse Current (1} ig mA (Rated dc Voltage, Tc = 125C) 15 25 25 (Rated dc Voltage, Tc = 25C) ; 0.1 0.1 ; 0.1 (1) Pulse Tast: Pulse Width = 300 ns, Duty Cycle < 2.0% MOTOROLA ING., 1984 D0S6124R1 / Switchmode is a trademark of Motorola Inc.6367255 MOTOROLA SC (DIODES/OPTO) 51C 57539 D7 O3-/ MBR1020 @ MBR1035 @ MBR1045 bab?255 90575349 1 FIGURE 1 MAXIMUM FORWARD VOLTAGE . FIGURE 2 TYPICAL FORWARD VOLTAGE 100 100 70 70 50 50 Ty = 150C Ty = 150C 30 30 20 20 10 7.0 7.0 5.0 5.0 3.0 3.0 2.0 2.0 ig, INSTANTANEOUS FORWARD CURRENT (AMPS) ig. INSTANTANEOUS FORWARD CURRENT (AMPS) 0.7 0.7 0.5 0.5 0.3 0.3 0.2 0.2 0.1 0.1 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0.2 0.4 0.6 0.8 1.0 1.2 1.4 vp. INSTANTANEQUS VOLTAGE (VOLTS) vp. INSTANTANEOUS VOLTAGE (VOLTS) FIGURE 3 MAXIMUM REVERSE CURRENT FIGURE 4 MAXIMUM SURGE CAPABILITY 100 40 Ty = 150C 20 10 125C 4.0 2.0 100C 1.0 0.4 76C 200 100 70 0.1 0.04 0.02 0.01 0.004 0.002 0.001 50 ip. REVERSE CURRENT (mA} 30 leg. PEAK HALF-WAVE CURRENT (AMPS} 20 0 10 20 30 40 50 1.0 20 30 50 70 10 20 30 50 70 100 Vp. REVERSE VOLTAGE (VOLTS) NUMBER OF CYCLES AT 60 Hz Motorola reserves the right to make changes without further notice to any products herein to Improve reliability, function or design. Motorola does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights nor the rights of others, Motorola and @are registered trademarks of Motorola, !nc. Motorola, Inc. is an Equal Employment Opportunity/ Affirmative Action Employer. () MOTOROLA Semiconductor Products Inc.MBR1020 @ MBR1035 MBR1045 6367255 MOTOROLA SC (DIODES/OPTO) 51C 57540 0 b367255 0057540 & FIGURE 5 CURRENT DERATING, INFINITE HEATSINK 20 Rated Voltage Applied 1 I Pk a (Resistive Load) lav os; PK _ (Capacitive Load) Tay = Square Wave 10 5.0 20 de I(av) AVERAGE FORWARD CURRENT (AMPS) S 140 120 130 140 Tc, CASE TEMPERATURE (C) 150 160 FIGURE 7 FORWARD POWER DISSIPATION dc Square Wave Sine Wave Rasistive Load i (Capacitive Load) hy = ' 20 10 Ty = 150C 0 2.0 4.0 6.0 8.0 10 2 14 16 lecayy, AVERAGE FORWARD CURRENT (AMPS) Privy). AVERAGE FORWARD POWER DISSIPATION (WATTS) 1.0 0.7 0.5 0.3 0.2 0.1 0.07 0.05 0.03 0.02 0.01 0.01 (5), TRANSIENT THERMAL RESISTANCE (NORMALIZED) 0.1 If(av). AVERAGE FORWARD CURRENT (AMPS) ig(ay). AVERAGE FORWARD CURRENT (AMPS} FIGURE 6 CURRENT DERATING, Raja = 16 C/W 16 Rated Voltage Applied 14 tek lav 12 = a (Resistive Load) 10 Square Wave 8.0 6.0 dc 4.0 | rk =65, 10, 20 V 2.0 i A (Capacitive Load) 0 20 40 60 80 100 120 Ta. AMBIENT TEMPERATURE (C) 140 ~=160 FIGURE 8 CURRENT DERATING, FREE AIR Rated Voltage Applied, Raya = 60C/W I iy = a (Resistive Load) Square Wave dc a PK _ (Capacitive Load} inv = 20, 10,5 0 20 40 60 80 100 140 Ta, AMBIENT TEMPERATURE (C) 120 160 FIGURE 9 THERMAL RESPONSE Pok Qo4- Pok Duty Cycle, D = ty/ty Peak Power, Po. is peak of an TIME equivalant square power pulse. bt OTJL = Ppk * RoL{O # (PO) + rfty + tp) + rlty) - (ty) where AT), = the increase in junction temperature above the lead temperature r(t) = normalized value of transient thermal resistance at time, t, for example, r(ty + tp) = normalized value of transient thermal resistance at time, ty + tp. - 10 100 1000 t, TIME (ms) (Mi) MOTOROLA Semiconductor Products Inc.6367255 MOTOROLA SC (BIODES/OPTO) 51C- 57541 DF -O3-/7 51 ve Weae7255 0057541 O [ HIGH FREQUENCY OPERATION Since current flow in a Schottky rectifier is the result of majority carrier conduction, itis not subject to junction diode forward and reverse recovery transients due to minority carrier injection and stored charge. Satisfactory circuit analysis work may be per- formed by using a model consisting of an ideal diode in parallel with a variable capacitance. (See Figure 10,) Rectification efficiency measurements show that operation will be satisfactory up to several megahertz. For example, relative waveform rectification efficiency is approximately 70 per cent at 2.0 MHz, e.g., the ratio of dc power to RMS power in the load is 0.28 at this frequency, whereas perfect rectification would yield 0.406 for sine wave inputs. However, in contrast to ordinary junction diodes, the loss in waveform efficieny is not indicative of power loss; it is simply a result of reverse current flow through the diode capacitance, which lowers the dc output voltage, FIGURE 10 CAPACITANCE 1500 1000 700 Maximum 500 Typical C, CAPACITANCE (pF) 300 200 150 0.05 0.1 0.2 05 10 20 50 10 20 50 Vp, REVERSE VOLTAGE (VOLTS) FIGURE 11 SCHOTTKY RECTIFIER Cathode Solder Dipped Copper Leads UL Rated Epoxy Copper Schottky Chip - View A-A Aluminum Contact Metal Platinum Barrier Metal Oxide Passivation Guardring Motorola builds quality and reliability into its Schottky Rectifiers. First is the chip, which has an interface metal between the barrier metal and aluminum-contact metal to eliminate any possible interaction between the two. The indicated guardring prevents dv/dt problems, so snubbers are not mandatory, The guardring also operates like a zener to absorb over-voltage transients. Second is the package. The Schottky chip is bonded to the copper heat sink using a specially formulated solder. This gives the unit the capability of passing 10,000 operating thermal- fatigue cycles having a ATy of 100C. The epoxy molding compound is rated per UL 94, VO @ 1/8. Wire bonds are 100% tested in assembly as they are made. Third is the electrical testing, which includes 100% dv/dt at 1600 V/ys and reverse avalanche as part of device characterization. FIGURE 12 TEST CIRCUIT FOR dv/dt AND REVERSE SURGE CURRENT +150V, 10 made 2.0k0 Vec 12Vde 100 2N2222 >f ke 2.0u8 1.0 kHz Current Amplitude Adjust 0-10 Amps 2N6277 100 Carbon 1.0 Carbon 1N5817 OUTLINE DIMENSIONS =z =; rq |} po , STYLE 1: _ _t PIN 1. CATHODE | a 2.N/A } 3. ANODE A = F 4. CATHODE | U Py) eer ion | J SECTAA ie CASE 221B-01 TO-220AC MOTOROLA Semiconductor Products Inc. BOX 20912 # PHOENIX, ARIZONA 85036 A SUBSIDIARY OF MOTOROLA INC. WAdthoL TRISTED Fb GSA NGS LAPeKIAL Lata C9382 17,000 : DSSb GAT