Low drop power Schottky rectifier

Document overview

  • Manufacturer or author: STMICROELECTRONICS
  • PDF pages: 12

Technical content

Features

 Very low forward voltage drop for less power dissipation  Optimized conduction / reverse losses trade- off which means the highest efficiency in the

applications

 Avalanche capability specified  ECOPACK®2 compliant component for D²PAK on demand

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 3.3 V SMPS units. Table 1: Device summary Symbol Value IF(AV) 10 A VRRM 25 V VF (typ.) 0.30 V Tj (max.) 150 °C K K A K K NC NCA A TO-220AC D²PAK A K

1 Characteristics

Table 2: Absolute ratings (limiting values at 25 °C, unless otherwise specified) Symbol Parameter Value Unit VRRM Repetitive peak reverse voltage 25 V IF(RMS) Forward rms current 30 A IF(AV) Average forward current δ = 0.5 square wave TC = 140 °C 10 A IFSM Surge non repetitive forward current tp = 10 ms sinusoidal 200 A PARM Repetitive peak avalanche power tp = 10 µs, Tj = 125 °C 395 W Tstg Storage temperature range -65 to +150 Tj Maximum operating junction temperature (1) 150 Notes: (1)(dPtot/dTj) < (1/Rth(j-a)) condition to avoid thermal runaway for a diode on its own heatsink. Table 3: Thermal parameters Symbol Parameter Max .value Unit Rth(j-c) Junction to case 1.5 °C/W Table 4: Static electrical characteristics Symbol Parameter Test conditions Min. Typ. Max. Unit IR(1) Reverse leakage current Tj = 25 °C VR = VRRM 800 µA Tj = 125 °C - 135 260 mA VF(1) Forward voltage drop Tj = 25 °C IF = 10 A 0.46 V Tj = 125 °C - 0.30 0.35 Tj = 25 °C IF = 20 A 0.55 Tj = 125 °C - 0.41 0.48 Notes: (1)Pulse test: tp = 380 µs, δ < 2% To evaluate the maximum conduction losses, use the following equation: P = 0.22 x IF(AV) + 0.013 x IF2(RMS)

1.1 Characteristics (curves)

Figure 1: Average forward power dissipation versus average forward current Figure 2: Average forward current versus ambient temperature (δ = 0.5) Figure 3: Normalized avalanche power deratings versus pulse duration (Tj = 125 °C) Figure 4: Relative variation of thermal impedance junction to case versus pulse duration Figure 5: Reverse leakage current versus reverse voltage applied (typical values) Figure 6: Junction capacitance versus reverse voltage applied (typical values) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 δ = 1 δ = 0.05 T δ= tp/T tp 0 1 2 3 4 5 6 7 8 9 10 11 PF(AV)(W) IF(AV)(A) Rth(j-a)=50°C/W Rth(j-a) = Rth(j-c) Tamb(°C) T δ= tp/T tp IF(AV)(A) 0 25 50 75 100 125 150 P (tp) P (10 µs) ARM ARM 0.001 0.01 0.1 1 10 100 1000 t (µs)p 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 T = tp/T tp Zth(j-c)/Rth(j-c) δ δ = 0.1 δ = 0.5 δ = 0.2 Single pulse tp(s) 1E-2 1E-1 1E+0 1E+1 1E+2 5E+2 IR(mA) Tj = 125 °C Tj = 25 °C Tj = 150 °C VR(V) 0 5 10 15 20 25 0.1 1.0 5.0 VR(V) C(nF) F = 1MHz Tj = 25 °C 1 2 5 10 20 30

2 Package information

In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark.  Cooling method: by conduction (C)  Epoxy meets UL 94,V0  Recommended torque value: 0.55 N·m (for TO-220AC)  Maximum torque value: 0.7 N·m (for TO-220AC)

2.1 D²PAK package information

Figure 9: D²PAK package outline This package drawing may slightly differ from the physical package. However, all the specified dimensions are guaranteed.

Table 5: D²PAK package mechanical data Ref. Dimensions Millimeters Inches Min. Max. Min. Max. A 4.36 4.60 0.172 0.181 A1 0.00 0.25 0.000 0.010 b 0.70 0.93 0.028 0.037 b2 1.14 1.70 0.045 0.067 c 0.38 0.69 0.015 0.027 c2 1.19 1.36 0.047 0.053 D 8.60 9.35 0.339 0.368 D1 6.90 8.00 0.272 0.311 D2 1.10 1.50 0.043 0.060 E 10.00 10.55 0.394 0.415 E1 8.10 8.90 0.319 0.346 E2 6.85 7.25 0.266 0.282 e 2.54 typ. 0.100 e1 4.88 5.28 0.190 0.205 H 15.00 15.85 0.591 0.624 J1 2.49 2.90 0.097 0.112 L 1.90 2.79 0.075 0.110 L1 1.27 1.65 0.049 0.065 L2 1.30 1.78 0.050 0.070 R 0.4 typ. 0.015 V2 0° 8° 0° 8°

Figure 10: D²PAK recommended footprint (dimensions in mm)

2.2 TO-220AC package information

Figure 11: TO-220AC package outline

Table 6: TO-220AC package mechanical data Ref. Dimensions Millimeters Inches Min. Max. Min. Max. A 4.40 4.60 0.173 0.181 C 1.23 1.32 0.048 0.051 D 2.40 2.72 0.094 0.107 E 0.49 0.70 0.019 0.027 F 0.61 0.88 0.024 0.034 F1 1.14 1.70 0.044 0.066 G 4.95 5.15 0.194 0.202 H2 10.00 10.40 0.393 0.409 L2 16.40 typ. 0.645 typ. L4 13.00 14.00 0.511 0.551 L5 2.65 2.95 0.104 0.116 L6 15.25 15.75 0.600 0.620 L7 6.20 6.60 0.244 0.259 L9 3.50 3.93 0.137 0.154 M 2.6 typ. 0.102 typ. Diam 3.75 3.85 0.147 0.151

3 Ordering information

Table 7: Ordering information Order code Marking Package Weight Base qty. Delivery mode STPS10L25D STPS10L25D TO-220AC 1.86 g 50 Tube STPS10L25G-TR STPS10L25G D²PAK 1.38 g 1000 Tape and reel

4 Revision history

Table 8: Document revision history Date Revision Changes Jul-2003 4B 17-Oct-2016 5 Updated cover page, Section 3: "Characteristics", Section 3.1: "Characteristics (curves)", Section 4.2: "D²PAK package information" and Table 7: "Ordering information".