Philips Semiconductors Product specification Rectifier diodes ultrafast BYT79 series FEATURES SYMBOL QUICK REFERENCE DATA VR = 300 V/ 400 V/ 500 V • Low forward volt drop • Fast switching • Soft recovery characteristic • High thermal cycling performance • Low thermal resistance k 1 VF ≤ 1.05 V a 2 IF(AV) = 14 A trr ≤ 60 ns GENERAL DESCRIPTION PINNING Ultra-fast, epitaxial rectifier diodes intended for use as output rectifiers in high frequency switched mode power supplies. The BYT79 series is supplied in the conventional leaded SOD59 (TO220AC) package. PIN SOD59 (TO220AC) DESCRIPTION 1 cathode 2 anode tab tab cathode 1 2 LIMITING VALUES Limiting values in accordance with the Absolute Maximum System (IEC 134). SYMBOL PARAMETER VRRM VR Peak repetitive reverse voltage Continuous reverse voltage IF(AV) Average forward current1 IFSM Non-repetitive peak forward current. Tstg Tj Storage temperature Operating junction temperature CONDITIONS MIN. BYT79 Tmb ≤ 147˚C square wave; δ = 0.5; Tmb ≤ 117 ˚C t = 10 ms t = 8.3 ms sinusoidal; with reapplied VRRM(max) - MAX. -300 300 300 -400 400 400 UNIT -500 500 500 V V - 14 A - 130 143 A A -40 - 150 150 ˚C ˚C THERMAL RESISTANCES SYMBOL PARAMETER Rth j-mb Thermal resistance junction to mounting base Thermal resistance junction to ambient Rth j-a CONDITIONS in free air. MIN. TYP. MAX. UNIT - - 2.0 K/W - 60 - K/W 1 Neglecting switching and reverse current losses September 1998 1 Rev 1.300 Philips Semiconductors Product specification Rectifier diodes ultrafast BYT79 series ELECTRICAL CHARACTERISTICS Tj = 25 ˚C unless otherwise stated SYMBOL PARAMETER CONDITIONS VF Forward voltage IR Reverse current Qs Reverse recovery charge trr Reverse recovery time Irrm Peak reverse recovery current Vfr Forward recovery voltage IF = 15 A; Tj = 150˚C IF = 30 A VR = VRRM VR = VRRM; Tj = 100 ˚C IF = 2 A to VR ≥ 30 V; dIF/dt = 20 A/µs IF = 1 A to VR ≥ 30 V; dIF/dt = 100 A/µs IF = 10 A to VR ≥ 30 V; dIF/dt = 50 A/µs; Tj = 100˚C IF = 10 A; dIF/dt = 10 A/µs I dI F 25 F MIN. TYP. MAX. UNIT - 0.90 1.17 5.0 0.2 50 1.05 1.38 50 0.8 60 V V µA mA nC - 50 60 ns - 4.0 5.2 A - 2.5 - V BYT79 PF / W Tmb(max) / C 100 D = 1.0 Vo = 0.9075 V Rs = 0.0095 Ohms dt 110 20 t 0.5 rr 15 120 time 0.2 0.1 10 Q I I R s 10% 100% D= tp T 140 5 t T rrm 0 Fig.1. Definition of trr, Qs and Irrm I 130 tp I 0 5 10 15 IF(AV) / A 20 150 25 Fig.3. Maximum forward dissipation PF = f(IF(AV)); square wave where IF(AV) =IF(RMS) x √D. 20 F PF / W BYT79 Tmb(max) / C 110 Vo = 0.9075 V Rs = 0.0095 Ohms a = 1.57 15 1.9 120 2.2 2.8 time 10 130 4 VF 140 5 V fr VF 0 time Fig.2. Definition of Vfr September 1998 0 5 IF(AV) / A 10 150 15 Fig.4. Maximum forward dissipation PF = f(IF(AV)); sinusoidal current waveform where a = form factor = IF(RMS) / IF(AV). 2 Rev 1.300 Philips Semiconductors Product specification Rectifier diodes ultrafast BYT79 series trr / ns 1000 1000 Qs / nC IF=20 A IF = 20 A 100 100 1A 2A 10 10 Tj = 25 C Tj = 100 C 1 1 1 100 10 dIF/dt (A/us) 1.0 Fig.5. Maximum trr at Tj = 25˚C and 100˚C 10 10 -dIF/dt (A/us) 100 Fig.8. Maximum Qs at Tj = 25˚C Irrm / A 10 IF= 20 A Transient thermal impedance, Zth j-mb (K/W) 1 1 IF=1A 0.1 0.1 PD 0.01 Tj = 25 C Tj = 100 C 0.01 10 -dIF/dt (A/us) 1 0.001 1us 100 Fig.6. Maximum Irrm at Tj = 25˚C and 100˚C. 50 tp D= T 10us tp T t 100us 1ms 10ms 100ms 1s pulse width, tp (s) BYV79E 10s Fig.9. Transient thermal impedance Zth = f(tp) BYT79 IF / A Tj = 25 C Tj = 150 C 40 30 typ max 20 10 0 0 0.5 1 VF / V 1.5 2 Fig.7. Typical and maximum forward characteristic IF = f(VF); parameter Tj September 1998 3 Rev 1.300 Philips Semiconductors Product specification Rectifier diodes ultrafast BYT79 series MECHANICAL DATA Dimensions in mm 4,5 max Net Mass: 2 g 10,3 max 1,3 3,7 2,8 5,9 min 15,8 max 3,0 max not tinned 3,0 13,5 min 1,3 max 1 (2x) 2 0,9 max (2x) 5,08 0,6 2,4 Fig.10. SOD59 (TO220AC). pin 1 connected to mounting base. Notes 1. Refer to mounting instructions for TO220 envelopes. 2. Epoxy meets UL94 V0 at 1/8". September 1998 4 Rev 1.300 Philips Semiconductors Product specification Rectifier diodes ultrafast BYT79 series DEFINITIONS Data sheet status Objective specification This data sheet contains target or goal specifications for product development. Preliminary specification This data sheet contains preliminary data; supplementary data may be published later. Product specification This data sheet contains final product specifications. Limiting values Limiting values are given in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of this specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information Where application information is given, it is advisory and does not form part of the specification. Philips Electronics N.V. 1998 All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, it is believed to be accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent or other industrial or intellectual property rights. LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. September 1998 5 Rev 1.300