SDB320 Schottky Barrier Rectifier 20V, 3A SCHOTTKY BARRIER RECTIFIER Features Low forward voltage drop 1 Low power loss and High efficiency Low leakage current 2 High surge capability 1 2 Pin Configuration Pin 1: Cathode Pin 2: Anode Full lead (Pb)-free and RoHS compliant device TO-252 SOD-106 Applications High efficiency SMPS Product Characteristics Output rectification High frequency switching Freewheeling DC-DC converter systems IF(AV) 3A VRRM 20V VFM at 125℃ 0.40V (Typ.) IFSM 30A Description The SDB320 is suited for Switch Mode Power Supply and high frequency DC to DC converters. This device is especially intended for use in low voltage, high frequency inverters, freewheeling and polarity protection applications. Ordering Information Device Marking Code Package Packaging SDB320 32C SOD-106 Tape & Reel Marking Information 32C = Specific Device Code YWW = Year & Week Code Marking -. Y = Year Code -. WW = Week Code = Color band denote cathode KSD-D6A014-001 1 SDB320 Absolute Maximum Ratings (Rating at 25℃ ambient temperature unless otherwise specified.) Characteristic Symbol Value Unit Maximum repetitive reverse voltage Maximum working peak reverse voltage Maximum DC blocking voltage VRRM VRWM VR 20 V Maximum average forward rectified current IF(AV) 3 A Peak forward surge current 8.3ms single half sine-wave superimposed on rated load per diode IFSM 30 A Storage temperature range Tstg -55℃ to +150℃ ℃ Maximum operating junction temperature TJ 150 ℃ Symbol Value Unit Rth(j-a) 1) 100 ℃/W Thermal Characteristics Characteristic Maximum thermal resistance junction to ambient * 1) Device mounted on FR-4 board with recommended pad layout. Electrical Characteristics (Rating at 25℃ Characteristic Symbol Peak forward voltage drop Reverse leakage current Typical junction capacitance VFM 2) IRM 2) CJ ambient temperature unless otherwise specified.) Test Condition Min. Typ. Max. Unit TJ=25℃ - 0.46 0.50 V TJ=125℃ - 0.40 0.43 V TJ=25℃ - - 2 mA TJ=125℃ - - 50 mA - 650 - pF IFM = 3A VR = VRRM VR=1V, f=1MHz * 2) Pulse test: tP≤380 ㎲, Duty cycle≤2% To evaluate the conduction losses use the following equation : PF = 0.37 IF(AV) + 0.0276 IF2(RMS) IFM Forward Voltage : VFM = Vto + rd IFM 2 IF(AV) Conduction Loss : PF = Vto IF(AV) + rd IF2(RMS) IF(AV) VFM KSD-D6A014-001 2 SDB320 Rating and Characteristic Curves Fig. 2) Typical Reverse Characteristics ㎃ Fig. 1) Typical Forward Characteristics Fig. 3) Maximum Forward Derating Curve Fig. 4) Forward Power Dissipation Fig. 5) Typical Junction Capacitance KSD-D6A014-001 3 SDB320 Package Outline Dimension Recommend PCB Solder Land Dimension (Unit: mm) KSD-D6A014-001 4 SDB320 The AUK Corp. products are intended for the use as components in general electronic equipment (Office and communication equipment, measuring equipment, home appliance, etc.). Please make sure that you consult with us before you use these AUK Corp. products in equipments which require high quality and / or reliability, and in equipments which could have major impact to the welfare of human life(atomic energy control, airplane, spaceship, transportation, combustion control, all types of safety device, etc.). AUK Corp. cannot accept liability to any damage which may occur in case these AUK Corp. products were used in the mentioned equipments without prior consultation with AUK Corp.. Specifications mentioned in this publication are subject to change without notice. KSD-D6A014-001 5