STPS2150 Power Schottky rectifier Main product characteristics IF(AV) 2A VRRM 150 V Tj (max) 175° C VF(max) 0.67 V Description 150 V Power Schottky rectifier are suited for switch mode power supplies on up to 24 V rails and high frequency converters. Packaged in SMA and Axial, this device is intended for use in consumer and computer applications like TV, STB, PC and DVD where low drop forward voltage is required to reduce power dissipation. STPS2150 Features and benefits Order Codes ■ Negligible switching losses ■ Low forward voltage drop for higher efficiency and extented battery life Part Number Marking ■ Low thermal resistance STPS2150A 2150 ■ Surface mount miniature package STPS2150 STPS2150 ■ Avalanche capability specified STPS2150RL STPS2150 Table 1. Absolute Ratings (limiting values) Symbol Parameter Value Unit VRRM Repetitive peak reverse voltage 150 V IF(RMS) RMS forward voltage 15 A 2 A IF(AV) Average forward current IFSM Surge non repetitive forward current PARM Repetitive peak avalanche power Tstg Tj 1. DO-15 SMA (JEDEC DO-214AC) STPS2150A TL = 145° C δ = 0.5 TL = 130° C δ = 0.5 SMA DO-15 tp = 10 ms sinusoidal tp = 1 µs Tj = 25° C Storage temperature range Maximum operating junction temperature(1) dPtot 1 --------------- > -------------------------dTj Rth ( j – a ) May 2006 SMA DO-15 75 150 A 2400 W -65 to + 175 °C 175 °C thermal runaway condition for a diode on its own heatsink Rev 5 1/7 www.st.com 7 Characteristics STPS2150 1 Characteristics Table 2. Thermal resistance Symbol Rth(j-l) Parameter Value SMA 20 DO-15 30 Unit Junction to lead ° C/W Lead length = 10 mm Table 3. Static electrical characteristics Symbol IR (1) Parameter Tests conditions Tj = 25° C Reverse leakage current Tj = 125° C Tj = 25° C VF (2) Tj = 125° C Forward voltage drop Tj = 25° C Tj = 125° C Min. VR = VRRM IF = 2 A Typ Max. Unit 0.5 1.5 µA 0.5 1.5 mA 0.78 0.82 0.62 0.67 0.86 0.89 0.70 0.75 V IF = 4 A 1. tp = 5 ms, δ < 2% 2. tp = 380 µs, δ < 2% To evaluate the conduction losses use the following equation: P = 0.59 x IF(AV) + 0.04 IF2(RMS) Figure 1. Average forward power dissipation versus average forward current Figure 2. PF(AV)(W) Average forward current versus ambient temperature (δ = 0.5) IF(AV)(A) 1.6 δ = 0.1 δ = 0.2 2.2 δ = 0.5 Rth(j-a)=Rth(j-I) 2.0 δ = 0.05 1.4 SMA 1.8 DO-15 1.2 1.6 δ=1 1.4 1.0 Rth(j-a)=100°C/W 1.2 0.8 1.0 0.6 0.8 0.4 0.6 T T 0.4 0.2 IF(AV)(A) δ=tp/T 0.0 0.0 2/7 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0.2 tp δ=tp/T 0.0 2.0 2.2 0 25 Tamb(°C) tp 50 75 100 125 150 175 STPS2150 Characteristics Figure 3. Normalized avalanche power derating versus pulse duration Figure 4. PARM(tp) PARM(1µs) Normalized avalanche power derating versus junction temperature PARM(tp) PARM(25°C) 1 1.2 1 0.1 0.8 0.6 0.4 0.01 0.2 Tj(°C) tp(µs) 0.001 0.01 0.1 Figure 5. 1 0 10 100 25 1000 Non repetitive surge peak forward current versus overload duration - maximum values (SMA) 50 Figure 6. IM(A) 75 100 125 150 Non repetitive surge peak forward current versus overload duration - maximum values (DO-15) IM(A) 10 10 9 9 8 8 7 7 6 6 5 Ta=25°C 4 Ta=25°C 5 Ta=75°C 4 Ta=75°C 3 2 3 2 IM Ta=125°C IM Ta=125°C 1 t t(s) δ=0.5 0 t(s) δ=0.5 0 1.E-03 Figure 7. 1.E-02 1.E-01 1.E+00 Relative variation of thermal impedance junction to ambient versus pulse duration - epoxy printed circuit board, eCu = 35 µm, recommended pad layout (SMA) 1.E-03 Figure 8. Zth(j-a)/Rth(j-a) 1.E-02 1.E-01 1.E+00 Relative variation of thermal impedance junction to ambient versus pulse duration (DO-15) Zth(j-a)/Rth(j-a) 1.0 1.0 0.9 0.9 0.8 0.8 0.7 0.7 0.6 t 1 0.6 δ = 0.5 0.5 δ = 0.5 0.5 0.4 0.4 0.3 δ = 0.2 0.2 δ = 0.1 T 0.1 δ=tp/T tp(s) Single pulse tp 0.0 1.E-02 0.3 δ = 0.2 0.2 δ = 0.1 T 0.1 Single pulse tp(s) δ=tp/T tp 0.0 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03 1.E-01 1.E+00 1.E+01 1.E+02 1.E+03 3/7 Characteristics Figure 9. STPS2150 Reverse leakage current versus reverse voltage applied (typical values) Figure 10. Junction capacitance versus reverse voltage applied (typical values) IR(µA) C(pF) 1.E+04 1000 F=1MHz VOSC=30mVRMS Tj=25°C Tj=150°C 1.E+03 Tj=125°C 1.E+02 Tj=100°C 1.E+01 100 Tj=75°C Tj=50°C 1.E+00 Tj=25°C 1.E-01 VR(V) VR(V) 10 1.E-02 0 25 50 75 100 125 1 150 10 100 1000 Figure 11. Forward voltage drop versus Figure 12. Forward voltage drop versus forward current - maximum values, forward current - maximum values, high level low level IFM(A) IFM(A) 2.0 100 Tj=125°C (maximum values) 1.8 Tj=125°C (maximum values) 1.6 1.4 Tj=125°C (typical values) Tj=125°C (typical values) 1.2 Tj=25°C (maximum values) 1.0 10 Tj=25°C (maximum values) 0.8 0.6 0.4 0.2 VFM(V) 0.0 VFM(V) 1 0.0 0.2 0.4 0.6 0.8 1.0 1.2 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 Figure 14. Thermal resistance versus lead length (DO-15) Figure 13. Thermal resistance junction to ambient versus copper surface under each lead - Epoxy printed circuit board FR4, eCu = 35 µm (SMA) Rth(j-a)(°C/W) Rth(°C/W) 140 120 Rth(j-a) 120 100 100 80 80 60 60 Rth(j-I) 40 40 20 20 Lleads(mm) SCu(cm²) 0 0 0 4/7 1 2 3 4 5 5 10 15 20 25 STPS2150 2 Package information Package information Band shows cathode. Epoxy meets UL94, V0. Table 4. SMA Package dimensions DIMENSIONS E1 REF. D Millimeters Inches Min. Max. Min. Max. A1 1.90 2.03 0.075 0.080 A2 0.05 0.20 0.002 0.008 b 1.25 1.65 0.049 0.065 c 0.15 0.41 0.006 0.016 E 4.80 5.60 0.189 0.220 E1 3.95 4.60 0.156 0.181 D 2.25 2.95 0.089 0.116 L 0.75 1.60 0.030 0.063 E A1 A2 C L b Figure 15. SMA Foot Print Dimensions (in mm) 1.87 1.75 1.87 1.67 5.49 Table 5. DO-15 Package dimensions DIMENSIONS C A D B C REF. Millimeters Inches Min. Max. Min. Max. A 6.05 6.75 0.238 0.266 B 2.95 3.53 0.116 0.139 C 26 31 1.024 1.220 D 0.71 0.88 0.028 0.035 In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. These packages have a lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com. 5/7 Ordering information 3 4 6/7 STPS2150 Ordering information Ordering type Marking Package Weight Base qty Delivery mode STPS2150A 2150 SMA 0.068 g 5000 Tape and reel STPS2150 STPS2150 DO-15 0.4 g 2000 Ammopack STPS2150RL STPS2150 DO-15 0.4 g 5000 Tape and reel Revision history Date Revision Description of Changes Jul-2003 3A Aug-2004 4 SMA package dimensions update. Reference A1 max. changed from 2.70mm (0.106inc.) to 2.03mm (0.080). 31-May-2006 5 Reformatted to current standard. Added ECOPACK statement. Updated SMA footprint in Figure 15. Changed nF to pF in Figure 10. Last update. STPS2150 Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. 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