Order this document by MBRD835L/D SEMICONDUCTOR TECHNICAL DATA DPAK Surface Mount Package This SWITCHMODE power rectifier which uses the Schottky Barrier principle with a proprietary barrier metal, is designed for use as output rectifiers, free wheeling, protection and steering diodes in switching power supplies, inverters and other inductive switching circuits. This state of the art device has the following features: • Low Forward Voltage • 125°C Operating Junction Temperature • Epoxy Meets UL94, VO at 1/8″ • Guaranteed Reverse Avalanche • Compact Size • Lead Formed for Surface Mount Mechanical Characteristics • Case: Epoxy, Molded • Weight: 0.4 gram (approximately) • Finish: All External Surfaces Corrosion Resistant and Terminal Leads are Readily Solderable • Lead and Mounting Surface Temperature for Soldering Purposes: 260°C Max. for 10 Seconds • Shipped 75 units per plastic tube • Available in 16 mm Tape and Reel, 2500 units per 13″ reel, by adding a “T4” suffix to the part number • Marking: B835L Motorola Preferred Device SCHOTTKY BARRIER RECTIFIER 8 AMPERES 35 VOLTS 4 1 1 4 3 3 CASE 369A–13 DPAK PLASTIC, STYLE 3 MAXIMUM RATINGS Symbol Value Unit Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Rating VRRM VRWM VR 35 Volts Average Rectified Forward Current (At Rated VR) TC = +88°C IF(AV) 8 Amps Peak Repetitive Forward Current (At Rated VR, Square Wave, 20 kHz) TC = + 80°C IFRM 16 Amps Non–Repetitive Peak Surge Current (Surge applied at rated load conditions halfwave, single phase, 60 Hz) IFSM 75 Amps Repetitive Avalanche Current (Current Decaying Linearly to Zero in 1 µs, Frequency Limited by TJmax) IAR 2 Amps Storage Temperature Tstg – 65 to +150 °C TJ – 65 to +125 °C dv/dt 10,000 V/µs Thermal Resistance — Junction to Case RθJC 6 °C/W Thermal Resistance — Junction to Ambient(1) RθJA 80 °C/W Operating Junction Temperature Voltage Rate of Change (Rated VR) THERMAL CHARACTERISTICS ELECTRICAL CHARACTERISTICS Maximum Instantaneous Forward Voltage(2) (iF = 8 Amps, TC = + 25°C) (iF = 8 Amps, TC = +125°C) VF 0.51 0.41 Volts Maximum Instantaneous Reverse Current(2) (Rated dc Voltage, TC = + 25°C) (Rated dc Voltage, TC = +100°C) IR 1.4 35 mA (1) Rating applies when surface mounted on the minimum pad size recommended. (2) Pulse Test: Pulse Width = 300 µs, Duty Cycle ≤ 2%. SWITCHMODE is a trademark of Motorola, Inc. Preferred devices are Motorola recommended choices for future use and best overall value. Rev 1 Device Rectifier Motorola, Inc. 1996 Data 1 MBRD835L 10 25°C TJ = 125°C 1 0.1 0.01 0 0.1 0.2 0.3 0.4 0.5 vF, INSTANTANEOUS VOLTAGE (VOLTS) 0.6 iF, INSTANTANEOUS FORWARD CURRENT (AMPS) iF, INSTANTANEOUS FORWARD CURRENT (mA TYPICAL CHARACTERISTICS 10 TJ = 125°C 1 75°C 0.1 25°C 0.01 0 Figure 1. Maximum Forward Voltage 0.1 0.2 0.3 0.4 0.5 vF, INSTANTANEOUS VOLTAGE (VOLTS) 0.6 Figure 2. Typical Forward Voltage 1000 100 TJ = 125°C 10 100°C I R, REVERSE CURRENT (mA) I R, REVERSE CURRENT (mA) 100 1 25°C 0.1 TJ = 125°C 100°C 10 1 75°C 0.1 0.01 0.001 25°C 0 5 25 10 15 20 VF, REVERSE VOLTAGE (VOLTS) 30 35 0.01 0 Figure 3. Maximum Reverse Current C, CAPACITANCE (pF) TJ = 25°C 1000 100 1 5 25 10 15 20 VR, REVERSE VOLTAGE (VOLTS) 30 35 Figure 4. Typical Reverse Current TYPICAL MAXIMUM 10 VR, REVERSE VOLTAGE (VOLTS) Figure 5. Maximum and Typical Capacitance 2 Rectifier Device Data MBRD835L 16 14.4 TJ = 125°C 12.8 RθJA = 6°C/W dc π (RESISTIVE LOAD) 11.2 9.6 SQUARE WAVE IPK IAV 8 + (CAPACITIVE 5 LOAD) 6.4 4.8 10 3.2 1.6 0 20 80 85 90 95 100 105 110 115 TC, CASE TEMPERATURE (°C) 120 125 IF(AV), AVERAGE FORWARD CURRENT (AMPS) IF(AV), AVERAGE FORWARD CURRENT (AMPS) TYPICAL CHARACTERISTICS 130 8 dc 6 π (RESISTIVE LOAD) 5 dc 4 TJ = 125°C π (RESISTIVE LOAD) 3.5 3 SQUARE WAVE 2.5 RθJA = 80°C/W SURFACE MOUNTED ON MININUM RECOMMENDED PAD SIZE IPK IAV + (CAPACITIVE 5 LOAD) 2 1.5 10 1 20 0.5 0 0 10 20 30 40 50 60 70 80 90 100 110 120 130 TA, AMBIENT TEMPERATURE (°C) Figure 8. Current Derating, Free Air Rectifier Device Data IPK IAV SQUARE WAVE + 5 (CAPACITIVE LOAD) 3 2 10 1 20 0 0 10 20 30 40 50 60 70 80 90 100 110 120 130 TA, AMBIENT TEMPERATURE (°C) Figure 7. Current Derating P F(AV), AVERAGE FORWARD POWER DISSIPATION (WATTS) IF(AV), AVERAGE FORWARD CURRENT (AMPS) 5 SURFACE MOUNTED ON MININUM RECOMMENDED PAD SIZE 4 Figure 6. Current Derating, Infinite Heatsink 4.5 RθJA = 40°C/W TJ = 125°C 7 8 TJ = 125°C 7 IPK IAV 6 π (RESISTIVE LOAD) + 5 (CAPACITIVE LOAD) SQUARE WAVE dc 5 10 4 20 3 2 1 0 0 1.5 7.5 9 10.5 12 13.5 3 4.5 6 IF(AV), AVERAGE FORWARD CURRENT (AMPS) 15 Figure 9. Forward Power Dissipation 3 MBRD835L PACKAGE DIMENSIONS 0.165 4.191 0.100 2.54 0.118 3.0 0.063 1.6 –T– SEATING PLANE inches mm E R DPAK FOOTPRINT 4 Z A S 1 2 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3 U K F J L H D G 0.243 6.172 C B V 0.190 4.826 STYLE 3: PIN 1. 2. 3. 4. 2 PL 0.13 (0.005) M T ANODE CATHODE ANODE CATHODE CASE 369A–13 ISSUE Y DPAK DIM A B C D E F G H J K L R S U V Z INCHES MIN MAX 0.235 0.250 0.250 0.265 0.086 0.094 0.027 0.035 0.033 0.040 0.037 0.047 0.180 BSC 0.034 0.040 0.018 0.023 0.102 0.114 0.090 BSC 0.175 0.215 0.020 0.050 0.020 ––– 0.030 0.050 0.138 ––– MILLIMETERS MIN MAX 5.97 6.35 6.35 6.73 2.19 2.38 0.69 0.88 0.84 1.01 0.94 1.19 4.58 BSC 0.87 1.01 0.46 0.58 2.60 2.89 2.29 BSC 4.45 5.46 0.51 1.27 0.51 ––– 0.77 1.27 3.51 ––– Motorola reserves the right to make changes without further notice to any products herein. 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