CHENMKO ENTERPRISE CO.,LTD SPL840LAPT SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 40 Volts CURRENT 8.0 Amperes PROVISIONAL SPEC. APPLICATION * DC to DC Converters * Switch- Mode Power Supplies * Notbook PC FEATURE SMP * Sm al l S u r f ac e M o u n t i n g T y p e. (SMP) * Low Power Loss, High Efficiency . * Low Reverse Current *. Peak F o r w ar d S u r g e C u r ren t I s 80A . 0.081 (2.05) 0.077 (1.95) * Schottky Diode Ar ray . 0.170 (4.31) 0.163 (4.15) (3) WEIGHT (1) (2) 0.019 (0.50 Min.) 0.077 (1.95) 0.073 (1.85) MARKING 0.045 (1.16) 0.042 (1.07) 0.005 (0.15 Min.) 0.019 (0.50 Min.) 0.264 (6.70) 0.254 (6.46) 2 CIRCUIT 0.212 (5.38) 0.208 (5.29) 1 0.055 (1.40) 0.051 (1.30) Dimensions in inches and (millimeters) 3 SMP MAXIMUM RATINGES ( At TA = 25oC unless otherwise noted ) SYMBOL SPL840LAPT UNITS Maximum Recurrent Peak Reverse Voltage RATINGS VRRM 40 Volts Maximum RMS Voltage VRMS 28 Volts Maximum DC Blocking Voltage VDC 40 Volts IO 8.0 Amps IFSM 80 Amps CJ 210 Maximum Average Forward Rectified Current Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) Typical Junction Capacitance (Note 2) Typical Thermal Resistance (Note 1) R 15 pF o C/W TJ -65 to +125 o C TSTG -65 to +150 o C Operating Temperature Range Storage Temperature Range JL ELECTRICAL CHARACTERISTICS ( At TA = 25oC unless otherwise noted ) CHARACTERISTICS SYMBOL SPL840LAPT UNITS VF 0.385 Volts 1.0 mAmps 20 mAmps Maximum Instantaneous Forward Voltage at 8.0 A DC Maximum Average Reverse Current @ TA = 25oC IR at Rated DC Blocking Voltage o @ TA = 100 C NOTES : 1. P.C.B. mounted 0.31 x 0.31" ( 8 x 8mm) copper pad areas 2. Measured at 1.0 MHZ and applied reverse voltage of 4.0 volts 2004-8 AVERAGE FORWARD CURRENT, (A) FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE 10 8 6 4 Single Half Wave 60HZ Resistive or Inductive Load 2 0 0 25 50 75 100 125 150 CASE TEMPERATURE, ( oC ) INSTANTANEOUS FORWARD CURRENT, ( A ) RATING CHARACTERISTIC CURVES ( SPL840LAPT ) FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 20 10 1.0 0.1 TJ =25oC Pulse Width=300us 1% Duty Cycle 0 PEAK FORWARD SURGE CURRETN(A) INSTANTANEOUS REVERSE CURRENT, (mA) 20 10 5 o C TJ = 125 2 1 o C TJ = 100 .5 o C TJ = 25 .2 .3 .4 .5 .6 .7 .8 .02 0 5 10 15 20 25 INSTANTANEOUS REVERSE VOLTAGE, (V) 30 1.0 FIG. 4 - MAXIMUM NON-REPETIVE FORWARD SURGE CURRENT 80 8.3ms Single Half Sine-Wave (JEDEC Method) 60 40 20 0 2 4 6 8 10 20 40 NUMBER OF CYCLES AT 60 Hz .05 .9 90 1 .10 .2 INSTANTANEOUS FORWARD VOLTAGE,(V) FIG. 3 - TYPICAL REVERSE CHARACTERISTICS 50 .1 80 100