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| RURD420S Data Sheet January 2002 4A, 200V Ultrafast Diodes The RURD420S is an ultrafast diode with soft recovery characteristics (trr < 30ns). It has low forward voltage drop and has ion-implanted epitaxial planar construction. This device is intended for use as a freewheeling/clamping diode and rectifier in a variety of switching power supplies and other power switching applications. It's low stored charge and ultrafast soft recovery minimize ringing and electrical noise in many power switching circuits, reducing power loss in the switching transistors. Formerly developmental type TA49034. Features * Ultrafast with Soft Recovery . . . . . . . . . . . . . . . . . . . <30ns * Operating Temperature . . . . . . . . . . . . . . . . . . . . . .175oC * Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . .200V * Avalanche Energy Rated * Planar Construction Applications * Switching Power Supplies * Power Switching Circuits Ordering Information PART NUMBER RURD420S PACKAGE TO-252 BRAND RUR420 * General Purpose Packaging JEDEC STYLE TO-252 CATHODE (FLANGE) CATHODE ANODE NOTE: When ordering, use the entire part number. Add the suffix 9A to obtain the TO-252 variant in tape and reel, i.e., RURD420S9A. Symbol K A Absolute Maximum Ratings TC = 25oC, Unless Otherwise Specified RURD420S UNITS V V V A A A W mJ oC oC oC Peak Repetitive Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .VRRM Working Peak Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VRWM DC Blocking Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VR Average Rectified Forward Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IF(AV) (TC = 159oC) Repetitive Peak Surge Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IFRM (Square Wave, 20kHz) Nonrepetitive Peak Surge Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .IFSM (Halfwave, 1 Phase, 60Hz) Maximum Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PD Avalanche Energy (See Figures 9 and 10) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EAVL Operating and Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TSTG, TJ Maximum Lead Temperature for Soldering (Leads at 0.063 in. (1.6mm) from case for 10s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TL Package Body for 10s, see Tech Brief 334. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TPKG 200 200 200 4 8 40 30 10 -65 to 175 300 260 Electrical Specifications SYMBOL VF IF = 4A TC = 25oC, Unless Otherwise Specified TEST CONDITION MIN TYP MAX 1.0 0.83 UNITS V V IF = 4A, TC = 150oC (c)2002 Fairchild Semiconductor Corporation RURD420S Rev. C RURD420S Electrical Specifications SYMBOL IR VR = 200V VR = 200V, TC = 150oC trr IF = 1A, dIF/dt = 100A/s IF = 4A, dIF/dt = 100A/s ta tb QRR CJ RJC DEFINITIONS VF = Instantaneous forward voltage (pw = 300s, D = 2%). IR = Instantaneous reverse current. trr = Reverse recovery time (See Figure 8), summation of ta + tb. ta = Time to reach peak reverse current (See Figure 8). tb = Time from peak IRM to projected zero crossing of IRM based on a straight line from peak IRM through 25% of IRM (See Figure 8). QRR = Reverse recovery charge. CJ = Junction capacitance. RJC = Thermal resistance junction to case. pw = pulse width. D = duty cycle. IF = 4A, dIF/dt = 100A/s IF = 4A, dIF/dt = 100A/s IF = 4A, dIF/dt = 100A/s VR = 10V, IF = 0A TC = 25oC, Unless Otherwise Specified TEST CONDITION MIN TYP 11 9 12 15 MAX 100 500 30 35 5 UNITS A A ns ns ns ns nC pF oC/W Typical Performance Curves 20 IF, FORWARD CURRENT (A) 175oC IR , REVERSE CURRENT (A) 100 175oC 10 10 1 100oC 0.1 100oC 1 25oC 0.01 25oC 0.5 0 0.25 0.5 0.75 1 1.25 1.5 VF, FORWARD VOLTAGE (V) 0.001 0 50 100 150 200 VR , REVERSE VOLTAGE (V) FIGURE 1. FORWARD CURRENT vs FORWARD VOLTAGE FIGURE 2. REVERSE CURRENT vs REVERSE VOLTAGE (c)2002 Fairchild Semiconductor Corporation RURD420S Rev. C RURD420S Typical Performance Curves 25 TC = 25oC, dIF/dt = 100A/s t, RECOVERY TIMES (ns) t, RECOVERY TIMES (ns) 20 trr 15 40 trr 30 ta 20 tb 10 (Continued) 50 TC = 100oC, dIF/dt = 100A/s 10 ta tb 5 0 0.5 1 IF, FORWARD CURRENT (A) 0 4 0.5 1 IF, FORWARD CURRENT (A) 4 FIGURE 3. trr, ta AND tb CURVES vs FORWARD CURRENT FIGURE 4. trr, ta AND tb CURVES vs FORWARD CURRENT IF(AV) , AVERAGE FORWARD CURRENT (A) 100 TC = 175oC, dIF/dt = 100A/s t, RECOVERY TIMES (ns) 80 trr 5 4 DC 3 SQ. WAVE 2 60 ta 40 tb 20 1 0 0.5 1 IF, FORWARD CURRENT (A) 4 0 150 155 160 165 170 175 TC , CASE TEMPERATURE (oC) FIGURE 5. trr, ta AND tb CURVES vs FORWARD CURRENT FIGURE 6. CURRENT DERATING CURVE Test Circuits and Waveforms VGE AMPLITUDE AND RG CONTROL dIF/dt t1 AND t2 CONTROL IF L DUT RG VGE t1 t2 CURRENT SENSE + VDD 0 IF dIF dt ta trr tb IGBT - 0.25 IRM IRM FIGURE 7. trr TEST CIRCUIT FIGURE 8. trr WAVEFORMS AND DEFINITIONS (c)2002 Fairchild Semiconductor Corporation RURD420S Rev. C RURD420S Test Circuits and Waveforms I = 1A L = 20mH R < 0.1 EAVL = 1/2LI2 [VR(AVL) /(VR(AVL) - VDD)] Q1 = IGBT (BVCES > DUT VR(AVL)) L CURRENT SENSE Q1 VDD DUT R + VDD IV (Continued) VAVL IL IL t0 t1 t2 t FIGURE 9. AVALANCHE ENERGY TEST CIRCUIT FIGURE 10. AVALANCHE CURRENT AND VOLTAGE WAVEFORMS (c)2002 Fairchild Semiconductor Corporation RURD420S Rev. C TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. ACExTM FACT Quiet SeriesTM ActiveArrayTM FAST BottomlessTM FASTrTM CoolFETTM FPSTM CROSSVOLTTM FRFETTM DOMETM GlobalOptoisolatorTM EcoSPARKTM GTOTM E2CMOSTM HiSeCTM EnSignaTM I2CTM FACTTM ImpliedDisconnectTM Across the board. Around the world.TM The Power FranchiseTM Programmable Active DroopTM DISCLAIMER ISOPLANARTM LittleFETTM MICROCOUPLERTM MicroFETTM MicroPakTM MICROWIRETM MSXTM MSXProTM OCXTM OCXProTM OPTOLOGIC OPTOPLANARTM PACMANTM POPTM Power247TM PowerTrench QFET QSTM QT OptoelectronicsTM Quiet SeriesTM RapidConfigureTM RapidConnectTM SILENT SWITCHER SMART STARTTM SPMTM StealthTM SuperFETTM SuperSOTTM-3 SuperSOTTM-6 SuperSOTTM-8 SyncFETTM TinyLogic TINYOPTOTM TruTranslationTM UHCTM UltraFET VCXTM FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 2. A critical component is any component of a life 1. Life support devices or systems are devices or support device or system whose failure to perform can systems which, (a) are intended for surgical implant into be reasonably expected to cause the failure of the life the body, or (b) support or sustain life, or (c) whose support device or system, or to affect its safety or failure to perform when properly used in accordance with instructions for use provided in the labeling, can be effectiveness. reasonably expected to result in significant injury to the user. PRODUCT STATUS DEFINITIONS Definition of Terms Datasheet Identification Advance Information Product Status Formative or In Design Definition This datasheet contains the design specifications for product development. Specifications may change in any manner without notice. This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design. Preliminary First Production No Identification Needed Full Production Obsolete Not In Production This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only. Rev. I7 |
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