STPS15L25G Datasheet | STMicroelectronics

® STPS15L25D/G LOW DROP POWER SCHOTTKY RECTIFIER MAIN PRODUCT CHARACTERISTICS IF(AV) VRRM Tj (max) VF (max) Features 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 15 A 25 V 150 °C 0.35 V TO-220AC STPS15L25D D2PAK STPS15L25G DESCRIPTION Single Schottky rectifier suited for Switched Mode Power Supplies and high frequency DC to DC converters (VRMS). Packaged in TO-220AC or D2PAK, this device is especially intended for use as a Rectifier at the secondary of 3.3V SMPS and DC/DC units. ABSOLUTE RATINGS (limiting values) Symbol VRRM IF(RMS) IF(AV) IFSM IRRM IRSM Tstg Tj RMS forward current Average forward current Surge non repetitive forward current Repetitive peak reverse current Non repetitive peak reverse current Storage temperature range Maximum operating junction temperature - Tc = 145°C δ = 0.5 tp = 10ms Sinusoidal tp=2µs square F=1k Hz tp = 100µs square Parameter Repetitive peak reverse voltage Value 25 30 15 250 1 4 - 65 to + 150 150 10000 Unit V A A A A A °C °C V/µs d V/dt Critical rate of rise of reverse voltage d Ptot 1 < - : thermal runaway condition for a diode on its own heatsink Rth(j- a) d Tj June 1999 - Ed : 4B 1/5 STPS15L25D/G THERMAL RESISTANCES Symbol Rth(j-c) Junction to case Parameter Value 1 Unit °C/W STATIC ELECTRICAL CHARACTERISTICS Symbol IR - Parameters Reverse leakage current Test conditions Tj = 25°C Tj = 125°C VF - Forward voltage drop Tj = 25°C Tj = 125°C Tj = 25°C Tj = 125°C Pulse test : - tp = 380 µs, δ < 2% Min. Typ. Max. 1.3 Unit m A m A V VR = VRRM 225 IF = 15A IF = 15A IF = 30A IF = 30A 0.41 0.3 450 0.46 0.35 0.56 0.46 To evaluate the maximum conduction losses use the following equation : P = 0.24 x IF(AV) + 0.0073 IF2(RMS) Fig.1 : Average forward power dissipation versus average forward current. PF(av)(W) 8 7 6 5 4 3 2 1 0 0 2 4 6 IF(av) (A) 8...