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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
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SWITCHMODETM Power Rectifier
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 * 125C 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: 260C 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 MAXIMUM RATINGS
Rating Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Average Rectified Forward Current (At Rated VR) TC = +88C Peak Repetitive Forward Current (At Rated VR, Square Wave, 20 kHz) TC = + 80C Non-Repetitive Peak Surge Current (Surge applied at rated load conditions halfwave, single phase, 60 Hz) Repetitive Avalanche Current (Current Decaying Linearly to Zero in 1 s, Frequency Limited by TJmax) Storage Temperature Operating Junction Temperature Voltage Rate of Change (Rated VR) Symbol VRRM VRWM VR IF(AV) IFRM IFSM IAR Tstg TJ dv/dt
MBRD835L
Motorola Preferred Device
SCHOTTKY BARRIER RECTIFIER 8 AMPERES 35 VOLTS
4 1 4 3
1 3
CASE 369A-13 DPAK PLASTIC, STYLE 3
Value 35
Unit Volts
8 16 75 2 - 65 to +150 - 65 to +125 10,000
Amps Amps Amps Amps C C V/s
THERMAL CHARACTERISTICS
Thermal Resistance -- Junction to Case Thermal Resistance -- Junction to Ambient(1) RJC RJA (iF = 8 Amps, TC = + 25C) (iF = 8 Amps, TC = +125C) (Rated dc Voltage, TC = + 25C) (Rated dc Voltage, TC = +100C) VF IR 6 80 C/W C/W
ELECTRICAL CHARACTERISTICS
Maximum Instantaneous Forward Voltage(2) Maximum Instantaneous Reverse Current(2) 0.51 0.41 1.4 35 Volts mA
(1) Rating applies when surface mounted on the minimum pad size recommended. (2) Pulse Test: Pulse Width = 300 s, 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
(c)RectifierInc. 1996 Data Motorola, Device
1
MBRD835L
TYPICAL CHARACTERISTICS
iF, INSTANTANEOUS FORWARD CURRENT (AMPS) iF, INSTANTANEOUS FORWARD CURRENT (mA
10
10
TJ = 125C 1
25C
TJ = 125C 1
75C 0.1 25C 0.01
0.1
0.01
0
0.1
0.2 0.3 0.4 0.5 vF, INSTANTANEOUS VOLTAGE (VOLTS)
0.6
0
0.1
0.2 0.3 0.4 0.5 vF, INSTANTANEOUS VOLTAGE (VOLTS)
0.6
Figure 1. Maximum Forward Voltage
Figure 2. Typical Forward Voltage
1000 100 I R, REVERSE CURRENT (mA) I R, REVERSE CURRENT (mA) 100 10 1 0.1 0.01 0.001 0.01 25C TJ = 125C 100C TJ = 125C 10 100C
1
75C
0.1 25C
0
5
25 10 15 20 VF, REVERSE VOLTAGE (VOLTS)
30
35
0
5
25 10 15 20 VR, REVERSE VOLTAGE (VOLTS)
30
35
Figure 3. Maximum Reverse Current
Figure 4. Typical Reverse Current
TJ = 25C C, CAPACITANCE (pF) 1000
TYPICAL MAXIMUM
100
1
10 VR, REVERSE VOLTAGE (VOLTS)
Figure 5. Maximum and Typical Capacitance
2
Rectifier Device Data
MBRD835L
TYPICAL CHARACTERISTICS
IF(AV), AVERAGE FORWARD CURRENT (AMPS) 16 14.4 12.8 11.2 9.6 8 6.4 4.8 3.2 1.6 0 80 85 90 10 20 95 100 105 110 115 TC, CASE TEMPERATURE (C) 120 125 130 SQUARE WAVE dc TJ = 125C RJA = 6C/W (RESISTIVE LOAD) IPK IAV IF(AV), AVERAGE FORWARD CURRENT (AMPS) 8 TJ = 125C 7 6 5 4 3 2 1 0 0 10 20 10 20 30 40 50 60 70 80 90 100 110 120 130 TA, AMBIENT TEMPERATURE (C) (RESISTIVE LOAD) SQUARE WAVE dc RJA = 40C/W SURFACE MOUNTED ON MININUM RECOMMENDED PAD SIZE IPK IAV
+
(CAPACITIVE 5 LOAD)
+ 5 (CAPACITIVE LOAD)
Figure 6. Current Derating, Infinite Heatsink
P F(AV), AVERAGE FORWARD POWER DISSIPATION (WATTS)
Figure 7. Current Derating
IF(AV), AVERAGE FORWARD CURRENT (AMPS)
5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0 0 10 20 20 30 40 50 60 70 80 90 100 110 120 130 TA, AMBIENT TEMPERATURE (C) 10 dc TJ = 125C RJA = 80C/W SURFACE MOUNTED ON MININUM RECOMMENDED PAD SIZE IPK IAV
8 7 6 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 TJ = 125C IPK IAV (RESISTIVE LOAD) SQUARE WAVE dc
(RESISTIVE LOAD) SQUARE WAVE
+ 5 (CAPACITIVE LOAD)
+
(CAPACITIVE 5 LOAD)
Figure 8. Current Derating, Free Air
Figure 9. Forward Power Dissipation
Rectifier Device Data
3
MBRD835L
PACKAGE DIMENSIONS
0.165 4.191
0.100 2.54
0.118 3.0 0.063 1.6
-T- B V R
4
SEATING PLANE
0.190 4.826
0.243 6.172
inches mm
C E DPAK FOOTPRINT
S
1 2 3
A K F L D G
2 PL
Z U
NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 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 ---
J H 0.13 (0.005) T
STYLE 3: PIN 1. 2. 3. 4. ANODE CATHODE ANODE CATHODE
M
CASE 369A-13 ISSUE Y DPAK
DIM A B C D E F G H J K L R S U V Z
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. "Typical" parameters which may be provided in Motorola data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer. Mfax is a trademark of Motorola, Inc. How to reach us: USA / EUROPE / Locations Not Listed: Motorola Literature Distribution; P.O. Box 5405, Denver, Colorado 80217. 303-675-2140 or 1-800-441-2447 MfaxTM: RMFAX0@email.sps.mot.com - TOUCHTONE 602-244-6609 INTERNET: http://Design-NET.com JAPAN: Nippon Motorola Ltd.; Tatsumi-SPD-JLDC, 6F Seibu-Butsuryu-Center, 3-14-2 Tatsumi Koto-Ku, Tokyo 135, Japan. 81-3-3521-8315 ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park, 51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852-26629298
4
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Rectifier Device Data MBRD835L/D

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