STPS5L40 STMicroelectronics

STPS5L40 POWER SCHOTTKY RECTIFIER MAIN PRODUCT CHARACTERISTICS I 5A F(AV) V 40 V RRM Tj (max) 150C V (max) 0.44 V F FEATURES AND BENEFITS n NEGLIGIBLE SWITCHING LOSSES n LOW FORWARD VOLTAGE DROP FOR HIGHER EFFICIENCY. n LOW THERMAL RESISTANCE n AVALANCHE CAPABILITY SPECIFIED DESCRIPTION DO-201AD Axial Power Schottky rectifier suited for Switch STPS5L40 Mode Power Supplies and high frequency inverters. Packaged in DO-201AD, this device is intended for use in low voltage output for small battery chargers & consumer SMPS such as DVD and Set-Top-Box.. ABSOLUTE RATINGS (limiting values) Symbol Parameter Value Unit V 40 V RRM Repetitive peak reverse voltage I 15 A F(RMS) RMS forward current I 5A F(AV) Average forward current Tl = 100C = 0.5 I 150 A FSM Surge non repetitive forward current Half wave, single phase tp=10ms P 2700 W ARM Repetitive peak avalanche power tp = 1s Tj = 25C T - 65 to + 150 C stg Storage temperature range Tj 150 C Maximum operating junction temperature * dV/dt 10000 V/s Critical rate of rise of reverse voltage (rated V , Tj = 25C) R dPtot 1 *: < thermal runaway condition for a diode on its own heatsink dTj Rth()j - a July 2003 - Ed: 2A 1/5STPS5L40 THERMAL PARAMETERS Symbol Parameter Value Unit R 75 C/W th(j-a) Junction to ambient R 15 C/W th(j-l) Junction to leads Lead length = 10 mm STATIC ELECTRICAL CHARACTERISTICS Symbol Parameter Tests conditions Min. Typ. Max. Unit I * 0.2 mA R Reverse leakage current Tj = 25C V =V R RRM 825 Tj = 100C 25 75 Tj = 125C V * 0.44 0.50 V F Forward voltage drop Tj = 25C I =5A F 0.40 0.46 Tj = 100C 0.38 0.44 Tj = 125C Pulse test : * tp = 380 s, <2% To evaluate the maximum conduction losses use the following equation: 2 P=0.34xI + 0.028 x I F(AV) F (RMS) Fig. 1: Conduction losses versus average current. Fig. 2: Average forward current versus ambient temperature ( = 0.5). PF(av)(W) IF(av)(A) 3.5 6 = 0.1 = 0.2 = 0.5 = 0.05 Rth(j-a)=Rth(j-l) 3.0 5 2.5 4 = 1 2.0 Rth(j-a)=75C/W 3 1.5 2 1.0 T T 1 0.5 Tamb(C) IF(av)(A) =tp/T tp =tp/T tp 0.0 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 0 25 50 75 100 125 150 2/5