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| PD -91887C SCHOTTKY RECTIFIER HIGH EFFICIENCY SERIES 8CLJQ045 8A, 45V Major Ratings and Characteristics Characteristics I F(AV) Rectangular waveform VRRM (Per Leg) IFSM @ tp = 8.3ms half-sine (Per Leg) VF @ 4Apk, TJ =125C (Per Leg) 8CLJQ045 Units 8 45 80 0.58 A V A V C Description/Features The 8CLJQ045 center tap Schottky rectifier has been expressly designed to meet the rigorous requirements of hi-rel environments. It is packaged in the hermetic surface mount SMD-0.5 ceramic package. The device's forward voltage drop and reverse leakage current are optimized for the lowest power loss and the highest circuit efficiency for typical high frequency switching power supplies and resonent power converters. Full MIL-PRF-19500 quality conformance testing is available on source controlled drawings to TX, TXV and S levels. * * * * * Hermetically Sealed Center Tap Low Forward Voltage Drop High Frequency Operation Guard Ring for Enhanced Ruggedness and Long Term Reliability * Surface Mount * Lightweight TJ, Tstg Operating and storage -55 to 150 CASE STYLE (ISOLATED BASE) 2 1 3 ANODE COMMON ANODE CATHODE Case Outline and Dimensions - SMD-0.5 www.irf.com 1 07/19/04 8CLJQ045 Voltage Ratings Part number VR Max. DC Reverse Voltage (V) (Per Leg) VRWM Max. Working Peak Reverse Voltage (V) (Per Leg) 8CLJQ045 45 Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current See Fig. 5 I FSM Max. Peak One Cycle Non - Repetitive Surge Current (Per Leg) 80 A @ tp = 8.3 ms half-sine Limits 8.5 Units A Conditions 50% duty cycle @ TC = 100C, rectangular waveform Electrical Specifications Parameters V FM Max. Forward Voltage Drop (Per Leg) See Fig. 1 Limits 0.67 0.96 0.58 0.92 Units V V V V mA mA pF nH @ 4A @ 8A @ 4A @ 8A TJ = 25C TJ = 125C Conditions TJ = 25C TJ =1 25C VR = rated VR I RM CT LS Max. Reverse Leakage Current (Per Leg) See Fig. 2 Max. Junction Capacitance (Per Leg) Typical Series Inductance (Per Leg) 0.15 43 760 4.8 VR = 5VDC ( 1MHz, 25C ) Measured from center of cathode pad to center of anode pad Thermal-Mechanical Specifications Parameters TJ Tstg Max.Junction Temperature Range Max. Storage Temperature Range to Case (Per Leg) RthJC Max. Thermal Resistance, Junction to Case (Per Package) wt Weight (Typical) Die Size Case Style 1.0 60X60 SMD-0.5 g mils 1.86 C/W DC operation Limits Units -55 to 150 -55 to 150 3.73 C C C/W DC operation Conditions RthJC Max. Thermal Resistance, Junction See Fig. 4 Pulse Width < 300s, Duty Cycle < 2% 2 www.irf.com 8CLJQ045 100 Reverse Current - I R (mA) T = 150C 10 J 100 125C 100C 1 75C 50C 25C A 0 10 20 30 40 50 0.1 0.01 F (A) 0.001 Instantaneous Forward Current - I Reverse Voltage - V R (V) Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage (Per Leg) 10 J J TJ = 25C TJ = -55C 1 0.0 0.5 1.0 1.5 2.0 Forward Voltage Drop - V FM (V) Junction Capacitance - C T = 125C T (pF) T = 150C 1000 TJ = 25C 100 0 10 20 30 40 A 50 Fig. 1 - Max. Forward Voltage Drop Characteristics (Per Leg) Reverse Voltage - V R (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) www.irf.com 3 8CLJQ045 10 Thermal Response (Z thJC ) D = 0.50 1 0.20 0.10 0.05 0.02 0.01 SINGLE PULSE (THERMAL RESPONSE) PDM t1 t2 Notes: 1. Duty factor D = t 1 / t 2 2. Peak TJ = P DM x Z thJC + TC 0.0001 0.001 0.01 0.1 1 0.1 0.01 0.00001 t1, Rectangular Pulse Duration (sec) Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg) Allowable Case Temperature - (C) 180 160 140 120 100 80 60 40 20 0 0 2 4 8CLJQ045 8CLQ045 R (DC) = 3.73C/W R thJC thJC (DC) = 1.86C/W DC A 6 8 10 12 Average Forward Current - I F(AV) (A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 IR LEOMINSTER : 205 Crawford St., Leominster, Massachusetts 01453, USA Tel: (978) 534-5776 TAC Fax: (310) 252-7903 Visit us at www.irf.com for sales contact information. Data and specifications subject to change without notice. 07/2004 4 www.irf.com |
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