STPS5L25B ® LOW DROP POWER SCHOTTKY RECTIFIER MAIN PRODUCT CHARACTERISTICS IF(AV) 5A VRRM 25 V Tj (max) 150°C VF (max) 0.35 V 2 4 (TAB) 3 4 FEATURES AND BENEFITS n n n n VERY LOW FORWARD VOLTAGE DROP FOR LESS POWER DISSIPATION AND REDUCED HEATSINK OPTIMIZED CONDUCTION/REVERSE LOSSES TRADE-OFF WHICH MEANS THE HIGHEST EFFICIENCY IN THE APPLICATIONS HIGH POWER SURFACE MOUNT MINIATURE PACKAGE AVALANCHE CAPABILITY SPECIFIED 2 3 1 NC DPAK DESCRIPTION Single Schottky rectifier suited to Switched Mode Power Supplies and high frequency DC to DC converters. This device is especially intended for use as a Rectifier at the secondary of 3.3V SMPS units. ABSOLUTE RATINGS (limiting values) Symbol Parameter Value Unit VRRM Repetitive peak reverse voltage 25 V IF(RMS) RMS forward current 7 A IF(AV) Average forward current Tc = 145°C δ = 0.5 5 A IFSM Surge non repetitive forward current tp = 10 ms Sinusoidal 75 A IRRM Repetitive peak reverse current tp=2 µs square F=1kHz 1 A IRSM Non repetitive peak reverse current tp = 100 µs square 2 A PARM Repetitive peak avalanche power tp = 1µs 3000 W - 65 to + 150 °C 150 °C 10000 V/µs Tstg Tj dV/dt * : Storage temperature range Tj = 25°C Maximum operating junction temperature * Critical rate of rise of reverse voltage dPtot 1 thermal runaway condition for a diode on its own heatsink < dTj Rth( j − a ) July 2003 - Ed: 5A 1/4 STPS5L25B THERMAL RESISTANCES Symbol Rth(j-c) Parameter Value Unit 2.5 °C/W Junction to case STATIC ELECTRICAL CHARACTERISTICS Symbol Tests Conditions IR * Reverse leakage current Tests Conditions Tj = 25°C Min. Typ. Max. Unit 350 µA 55 115 mA 0.47 V 0.31 0.35 VR = VRRM Tj = 125°C VF * Forward voltage drop Tj = 25°C IF = 5 A Tj = 125°C IF = 5 A Tj = 25°C IF = 10 A Tj = 125°C IF = 10 A 0.41 0.50 * tp = 380 µs, δ < 2% Pulse test : Fig. 1: Average forward power dissipation versus average forward current. Fig. 2: Average forward current versus ambient temperature (δ=0.5). PF(av)(W) 6 2.5 δ = 0.2 δ = 0.1 δ = 0.5 IF(av)(A) Rth(j-a)=Rth(j-c) 5 δ = 0.05 2.0 0.59 4 δ=1 1.5 3 1.0 Rth(j-a)=70°C/W 2 T T 0.5 1 δ=tp/T IF(av) (A) 0.0 0 1 2 3 4 5 δ=tp/T tp 6 Fig. 3: Normalized avalanche power derating versus pulse duration. 0 0 25 50 75 100 125 150 Fig. 4: Normalized avalanche power derating versus junction temperature. PARM(tp) PARM(1µs) 1 Tamb(°C) tp 1.2 PARM(tp) PARM(25°C) 1 0.1 0.8 0.6 0.4 0.01 0.2 0.01 2/4 Tj(°C) tp(µs) 0.001 0.1 1 0 10 100 1000 0 25 50 75 100 125 150 STPS5L25B Fig. 5: Non repetitive surge peak forward current versus overload duration (maximum values). 100 Fig. 5: Relative variation of thermal impedance junction to case versus pulse duration. IM(A) Zth(j-c)/Rth(j-c) 1.0 80 0.8 60 Tc=25°C δ = 0.5 0.6 Tc=75°C 40 0.4 δ = 0.2 T Tc=100°C IM 20 0.2 t δ = 0.1 t(s) δ=0.5 0 1E-3 δ=tp/T tp(s) 1E-2 1E-1 1E+0 Fig. 7: Reverse leakage current versus reverse voltage applied (typical values). 3E+2 1E+2 Single pulse 0.0 1.0E-4 1.0E-3 1.0E-2 tp 1.0E-1 1.0E+0 Fig. 8: Junction capacitance versus reverse voltage applied (typical values). IR(mA) C(pF) 2000 Tj=150°C F=1MHz Tj=25°C 1E+1 Tj=125°C 1000 1E+0 500 1E-1 Tj=25°C 200 1E-2 VR(V) VR(V) 1E-3 0 5 10 15 20 25 Fig. 9: Forward voltage drop versus forward current (maximum values). 100.0 100 1 2 5 10 20 30 Fig. 10: Thermal resistance junction to ambient versus copper surface under tab (Epoxy printed circuit board FR4, copper thickness: 35µm). Rth(j-a) (°C/W) IFM(A) 100 Typical values Tj=150°C 80 10.0 60 Tj=125°C 40 Tj=25°C 1.0 20 VFM(V) 0.1 0.0 0.2 0.4 0.6 0.8 1.0 0 1.2 1.4 1.6 1.8 2.0 0 2 4 6 8 10 12 S(Cu) (cm²) 14 16 18 20 3/4 STPS5L25B PACKAGE MECHANICAL DATA DPAK DIMENSIONS REF. Millimeters Min. A A1 A2 B B2 C C2 D E G H L2 L4 V2 Max 2.20 2.40 0.90 1.10 0.03 0.23 0.64 0.90 5.20 5.40 0.45 0.60 0.48 0.60 6.00 6.20 6.40 6.60 4.40 4.60 9.35 10.10 0.80 typ. 0.60 1.00 0° 8° Inches Min. Max. 0.086 0.094 0.035 0.043 0.001 0.009 0.025 0.035 0.204 0.212 0.017 0.023 0.018 0.023 0.236 0.244 0.251 0.259 0.173 0.181 0.368 0.397 0.031 typ. 0.023 0.039 0° 8° FOOT PRINT DIMENSIONS (in millimeters) 6.7 6.7 3 3 1.6 1.6 2.3 n 2.3 Ordering type Marking Package Weight Base qty Delivery mode STPS5L25B STPS15LB-TR STPS5L25B STPS5L25B DPAK DPAK 0.30g 0.30g 75 2500 Tube Tape & reel Epoxy meets UL94,V0 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. 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