FEAURES SYMBOL QUICK REFERENCE DAA Low forward volt drop Fast switching Reverse surge capability High thermal cycling performance Low thermal resistance k a 2 V R = 40 V/ 45 V I F(AV) = A V F 0.57 V GENERAL DESCRIPION PINNING SOD59 (O220AC) Schottky rectifier diodes in a plastic PIN DESCRIPION envelope. Intended for use as output rectifiers in low voltage, high frequency switched mode power cathode supplies. 2 anode tab he is supplied tab cathode in the conventional leaded SOD59 (O220AC) package. 2 LIMIING VALUES Limiting values in accordance with the Absolute Maximum System (IEC 34) SYMBOL PARAMEER CONDIIONS MIN. MAX. UNI PBYR 40 45 V RRM Peak repetitive reverse - 40 45 V voltage V RWM Working peak reverse - 40 45 V voltage V R Continuous reverse voltage mb 3 C - 40 45 V I F(AV) Average rectified forward square wave; δ = 0.5; mb 36 C - A current I FRM Repetitive peak forward current square wave; δ = 0.5; mb 36 C - 20 A I FSM Non-repetitive peak forward t = ms - 35 A current t = 8.3 ms - 50 A sinusoidal; j = 25 C prior to surge; with reapplied V RRM() I RRM Peak repetitive reverse pulse width and repetition rate - A surge current limited by j Operating junction - 50 C j temperature stg Storage temperature - 65 75 C HERMAL RESISANCES SYMBOL PARAMEER CONDIIONS MIN. YP. MAX. UNI R th j-mb hermal resistance junction - - 2 K/W to mounting base R th j-a hermal resistance junction in free air - 60 - K/W to ambient July 998 Rev.200
ELECRICAL CHARACERISICS j = 25 C unless otherwise specified SYMBOL PARAMEER CONDIIONS MIN. YP. MAX. UNI V F Forward voltage I F = A; j = 25 C - 0.5 0.57 V I F = 20 A; j = 25 C - 0.69 0.72 V I F = 20 A - 0.65 0.84 V I R Reverse current V R = V RWM - 0.2.3 ma V R = V RWM ; j = 0 C - 22 35 ma C d Junction capacitance V R = 5 V; f = MHz, j = 25 C to 25 C - 350 - pf July 998 2 Rev.200
8 6 4 2 Forward dissipation, PF (W) Vo = 0.42 V Rs = 0.05 Ohms 0. 0.2 PBYR45 mb() (C) 30 D =.0 t 0 50 0 5 5 Average forward current, IF(AV) (A) Fig.. Maximum forward dissipation P F = f(i F(AV) ); square current waveform where I F(AV) =I F(RMS) x D. 0.5 I tp D = tp 34 38 42 46 0 0. Reverse current, IR (ma) 25 C 0 C 75 C 50 C PBYR45 0.0 j = 25 C 0 25 50 Reverse voltage, VR (V) Fig.4. ypical reverse leakage current; I R = f(v R ); parameter j 8 7 6 5 Forward dissipation, PF (W) Vo = 0.42 V Rs = 0.05 Ohms 4 PBYR45 mb() (C) 34 a =.57.9 2.2 2.8 36 38 40 Cd / pf 00 PBYR45 4 42 0 3 44 2 46 0 50 0 2 4 6 8 Average forward current, IF(AV) (A) Fig.2. Maximum forward dissipation P F = f(i F(AV) ); sinusoidal current waveform where a = form factor = I F(RMS) / I F(AV). 48 0 VR / V Fig.5. ypical junction capacitance; C d = f(v R ); f = MHz; j = 25 C to 25 C. 50 40 Forward current, IF (A) j = 25 C j = 25 C PBYR45 ransient thermal impedance, Zth j-mb (K/W) 30 typ 20 0. P D tp tp D = 0 0 0.2 0.4 0.6 0.8.2.4 Forward voltage, VF (V) Fig.3. ypical and imum forward characteristic I F = f(v F ); parameter j t 0.0 us us 0us ms ms 0ms s s pulse width, tp (s) PBYR45 Fig.6. ransient thermal impedance; Z th j-mb = f(t p ). July 998 3 Rev.200
MECHANICAL DAA Dimensions in mm Net Mass: 2 g 4,5,3 3,7,3 2,8 5,9 min 3,0 not tinned 5,8 3,0 3,5 min,3 (2x) 2 5,08 0,9 (2x) 0,6 2,4 Notes. Refer to mounting instructions for O220 envelopes. 2. Epoxy meets UL94 V0 at /8". Fig.7. SOD59 (O220AC). pin connected to mounting base. July 998 4 Rev.200
DEFINIIONS Data sheet status Objective specification his data sheet contains target or goal specifications for product development. Preliminary specification his data sheet contains preliminary data; supplementary data may be published later. his data sheet contains final product specifications. Limiting values Limiting values are given in accordance with the Absolute Maximum Rating System (IEC 34). Stress above one or more of the limiting values may cause permanent damage to the device. hese 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. 998 All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. he 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 SUPPOR APPLICAIONS hese 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. July 998 5 Rev.200
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