Silicon Protection Arrays SCR Diode Array for ESD and Transient Overvoltage Protection RoHS Pb SP725 Lead-Free/Green Series GREEN Description 5IF41JTBOBSSBZPG4$3%JPEFCJQPMBSTUSVDUVSFTGPS &4%BOEPWFSWPMUBHFQSPUFDUJPOPGTFOTJUJWFJOQVUDJSDVJUT 5IF41IBTQSPUFDUJPO4$3%JPEFEFWJDFTUSVDUVSFT QFSJOQVU5IFSFBSFBUPUBMPGBWBJMBCMFJOQVUTUIBUDBOCF VTFEUPQSPUFDUVQUPFYUFSOBMTJHOBMPSCVTMJOFT0WFS WPMUBHFQSPUFDUJPOJTGSPNUIF*/1JOT UP7PS7 5IF4$3TUSVDUVSFTBSFEFTJHOFEGPSGBTUUSJHHFSJOHBUB UISFTIPMEPGPOF7#&EJPEFUISFTIPMEBCPWF71JO PSPOFo7#&EJPEFUISFTIPMECFMPX71JO 'SPNBO */JOQVUBDMBNQUP7JTBDUJWBUFEJGBUSBOTJFOUQVMTF DBVTFTUIFJOQVUUPCFJODSFBTFEUPBWPMUBHFMFWFMHSFBUFS UIBOPOF7#&BCPWF7"TJNJMBSDMBNQUP7JTBDUJWBUFEJG BOFHBUJWFQVMTFPOF7#&MFTTUIBO7JTBQQMJFEUPBO*/ JOQVU Pinout SP725 (SOIC) In 1 8 V- In 2 7 V- In 3 6 V+ In 4 5 V+ 3FGFSUP'JHBOE5BCMFGPSGVSUIFSEFUBJMT3FGFSUP "QQMJDBUJPO/PUF"/BOE"/GPSGVSUIFSEFUBJM Features t &4%*OUFSGBDFQFS)#.4UBOEBSET Functional Block Diagram *&$%JSFDU%JTDIBSHF L7-FWFM *&$"JS%JTDIBSHFL7-FWFM .*-45%L7 t 1FBL$VSSFOU$BQBCJMJUZ V+ 5, 6 *&$T1FBL1VMTF$VSSFOU " 4JOHMF5SBOTJFOU1VMTFT1VMTF8JEUI " t %FTJHOFEUP1SPWJEF0WFS7PMUBHF1SPUFDUJPO IN 1 IN 2 IN 3, 4 4JOHMF&OEFE7PMUBHF3BOHFUP 7 %JGGFSFOUJBM7PMUBHF3BOHFUP 7 t 'BTU4XJUDIJOHOT3JTFUJNF t -PX*OQVU-FBLBHFTO"BU$5ZQJDBM t -PX*OQVU$BQBDJUBODFQ'5ZQJDBM V- t "O"SSBZPG4$3%JPEF1BJST 7, 8 t 0QFSBUJOH5FNQFSBUVSF3BOHF$UP$ Applications SP725 Lead-Free/Green Series Specifications are subject to change without notice. t .JDSPQSPDFTTPS-PHJD *OQVU1SPUFDUJPO t "OBMPH%FWJDF*OQVU 1SPUFDUJPO t %BUB#VT1SPUFDUJPO t 7PMUBHF$MBNQ 67 Electronics Designers Guide www.littelfuse.com ©2008 Littelfuse Silicon Protection Arrays SCR Diode Array for ESD and Transient Overvoltage Protection Absolute Maximum Ratings Parameter $POUJOVPVT4VQQMZ7PMUBHF7 7 'PSXBSE1FBL$VSSFOU**/UP7$$**/UP(/% 3FGFSUP'JHVSF 1FBL1VMTF$VSSFOUT &4%3BUJOHTBOE$BQBCJMJUZ'JHVSF5BCMF -PBE%VNQBOE3FWFSTF#BUUFSZ/PUF Rating Units V "T V " V CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Thermal Information Parameter Rating 5IFSNBM3FTJTUBODF5ZQJDBM/PUF 40*$1BDLBHF P 4UPSBHF5FNQFSBUVSF3BOHF .BYJNVN+VODUJPO5FNQFSBUVSF .BYJNVN-FBE5FNQFSBUVSF4PMEFSJOHT 40*$-FBE5JQT0OMZ Electrical Specifications Units P $8 Q+" $8 UP P $ P $ P $ TA = -40PC to 105PC, VIN = 0.5VCC , Unless Otherwise Specified Parameter 0QFSBUJOH7PMUBHF3BOHF V4611-:<7 7 > 'PSXBSE7PMUBHF%SPQ */UP7 */UP7 *OQVU-FBLBHF$VSSFOU 2VJFTDFOU4VQQMZ$VSSFOU Symbol Test Conditions Min Typ Max Units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mOJUJPOTPGFRVJWBMFOUi4$30/5ISFTIPMEwBOEi4$30/3FTJTUBODFw5IFTFDIBSBDUFSJTUJDTBSFHJWFOIFSFGPSUIVNCSVMFJOGPSNBUJPOUPEFUFSNJOFQFBL DVSSFOUBOEEJTTJQBUJPOVOEFS&04DPOEJUJPOT www.littelfuse.com ©2008 Littelfuse 68 Electronics Designers Guide SP725 Lead-Free/Green Series Specifications are subject to change without notice. Silicon Protection Arrays SCR Diode Array for ESD and Transient Overvoltage Protection ESD Capability &4%DBQBCJMJUZJTEFQFOEFOUPOUIFBQQMJDBUJPOBOEEFmOFE UFTUTUBOEBSE5IFFWBMVBUJPOSFTVMUTGPSWBSJPVTUFTU TUBOEBSETBOENFUIPETCBTFEPO'JHVSFBSFTIPXOJO 5BCMF Figure 1: Electrostatic Discharge Test R1 5IF41IBTB-FWFM)#.DBQBCJMJUZXIFOUFTUFEBTB EFWJDFUPUIF*&$TUBOEBSE-FWFMTQFDJmFTB SFRVJSFEDBQBCJMJUZHSFBUFSUIBOL7GPSEJSFDUEJTDIBSHFBOE HSFBUFSUIBOL7GPSBJSEJTDIBSHF CHARGE SWITCH CD ESD Test Conditions - Table 1 STANDARD TYPE/MODE )#."JS%JTDIBSHF *&$ -FWFM .*-45% &*"+*$ Figure 2: Low Current SCR Forward Voltage Drop Curve R% C% ±V% 7 Q' L7 )#.%JSFDU%JTDIBSHF 7 Q' 8kV .PEJmFE)#. L7 Q' L7 4UBOEBSE)#. L7 Q' L7 L7 Q' L7 .BDIJOF.PEFM Figure 3: High Current SCR Forward Voltage Drop Curve 5 TA = 25oC SINGLE PULSE 160 TA = 25oC SINGLE PULSE 4 FORWARD SCR CURRENT (A) FORWARD SCR CURRENT (mA) IN DUT IEC 61000-4-2: R1 50 to 100M MIL-STD-3015.7: R 1 1 to 10M 'PSUIF41&*"+*$.BDIJOF.PEFM.. TUBOEBSE UIF&4%DBQBCJMJUZJTUZQJDBMMZHSFBUFSUIBOL7GSPNQ' XJUIOPTFSJFTSFTJTUBODF 120 80 40 0 600 DISCHARGE SWITCH H.V. SUPPLY ± VD 'PSUIFi.PEJmFEw.*-45%DPOEJUJPOUIBUJT EFmOFEBTBOiJODJSDVJUwNFUIPEPG&4%UFTUJOHUIF7 BOE7QJOTIBWFBSFUVSOQBUIUPHSPVOEBOEUIF41 &4%DBQBCJMJUZJTUZQJDBMMZHSFBUFSUIBOL7GSPNQ' UISPVHIL7#ZTUSJDUEFmOJUJPOPG.*-45%VTJOH iQJOUPQJOwEFWJDFUFTUJOHUIF&4%WPMUBHFDBQBCJMJUZJT HSFBUFSUIBOL7 200 RD 3 2 IFWD EQUIV. SAT. ON THRESHOLD ~ 1.1V 1 800 1000 0 1200 FORWARD SCR VOLTAGE DROP (mV) SP725 Lead-Free/Green Series Specifications are subject to change without notice. 0 1 VFWD 2 3 FORWARD SCR VOLTAGE DROP (V) 69 Electronics Designers Guide www.littelfuse.com ©2008 Littelfuse Silicon Protection Arrays SCR Diode Array for ESD and Transient Overvoltage Protection Figure 4: Typical Application of the SP725 t"QQMJDBUJPOBTBO*OQVU$MBNQGPS0WFSWPMUBHF(SFBUFSUIBO7#&"CPWF7PSMFTTUIBO7#&CFMPX7 +VCC +VCC INPUT DRIVERS OR SIGNAL SOURCES LINEAR OR DIGITAL IC INTERFACE IN 1 - 4 TO +VCC V+ SP725 V- SP725 INPUT PROTECTION CIRCUIT (1 OF 4 SHOWN) Peak Transient Current Capability for Long Duration Surges 5IFQFBLUSBOTJFOUDVSSFOUDBQBCJMJUZSJTFTTIBSQMZBTUIF XJEUIPGUIFDVSSFOUQVMTFOBSSPXT%FTUSVDUJWFUFTUJOH XBTEPOFUPGVMMZFWBMVBUFUIF41TBCJMJUZUPXJUITUBOE BXJEFSBOHFPGQFBLDVSSFOUQVMTFTWTUJNF5IFDJSDVJU VTFEUPHFOFSBUFDVSSFOUQVMTFTJTTIPXOJO'JHVSF /PUFUIBUBEKBDFOUJOQVUQJOTPGUIF41NBZCF QBSBMMFMFEUPJNQSPWFDVSSFOUBOE&4% DBQBCJMJUZ5IF TVTUBJOFEQFBLDVSSFOUDBQBCJMJUZJTJODSFBTFEUPOFBSMZ UXJDFUIBUPGBTJOHMFQJO 5IFUFTUDJSDVJUPG'JHVSFJTTIPXOXJUIBQPTJUJWFQVMTF JOQVU'PSBOFHBUJWFQVMTFJOQVUUIF DVSSFOUQVMTFJOQVU HPFTUPBO41A*/JOQVUQJOBOEUIF DVSSFOUQVMTF JOQVUHPFTUPUIF417QJO5IF7UP7TVQQMZPGUIF 41NVTUCFBMMPXFEUPnPBUJF*UJTOPUUJFEUPUIF HSPVOESFGFSFODFPGUIFDVSSFOUQVMTFHFOFSBUPS 'JHVSF TIPXTUIFQPJOUPGPWFSTUSFTTBTEFmOFECZJODSFBTFE MFBLBHFJOFYDFTTPGUIFEBUBTIFFUQVCMJTIFEMJNJUT Figure 5: Typical SP725 Peak Current Test Circuit With a Variable Pulse Width Input - VARIABLE TIME DURATION CURRENT PULSE GENERATOR R1 + VX CURRENT SENSE (-) (+) 5IFNBYJNVNQFBLJOQVUDVSSFOUDBQBCJMJUZJTEFQFOEFOU POUIFBNCJFOUUFNQFSBUVSFJNQSPWJOHBTUIFUFNQFSBUVSF JTSFEVDFE1FBLDVSSFOUDVSWFTBSFTIPXOGPSBNCJFOU UFNQFSBUVSFTPG$BOE$BOEB7QPXFSTVQQMZ DPOEJUJPO5IFTBGFPQFSBUJOHSBOHFPGUIFUSBOTJFOUQFBL DVSSFOUTIPVMECFMJNJUFEUPOPNPSFUIBOPGUIF NFBTVSFEPWFSTUSFTTMFWFMGPSBOZHJWFOQVMTFXJEUIBT TIPXOJOUIFDVSWFTPG'JHVSF V- 8 1 IN V- 7 2 IN 3 IN VOLTAGE PROBE 4 IN SP725 + V+ 6 - V+ 5 C1 R1 ~ 10 TYPICAL VX ADJ. 10V/A TYPICAL C1 ~ 100μF Figure 6: SP725 Typical Nonrepetitive Peak Current Pulse Capability t4IPXJOHUIF.FBTVSFE1PJOUPG0WFSTUSFTTJO"NQFSFTWTQVMTFXJEUIUJNFJONJMMJTFDPOET 14 CAUTION: SAFE OPERATING CONDITIONS LIMIT THE MAXIMUM PEAK CURRENT FOR A GIVEN PULSE WIDTH TO BE NO GREATER THAN 75% OF THE VALUES SHOWN ON EACH CURVE. PEAK CURRENT (A) 12 TA = 25oC 10 V+ TO V- SUPPLY = 15V 8 6 TA = 105oC 4 2 0 0.001 0.01 0.1 1 10 100 1000 PULSE WIDTH TIME (ms) www.littelfuse.com ©2008 Littelfuse 70 Electronics Designers Guide SP725 Lead-Free/Green Series Specifications are subject to change without notice. Silicon Protection Arrays SCR Diode Array for ESD and Transient Overvoltage Protection Soldering Parameters - Wave Soldering Reflow Condition Pre Heat 1Co'SFFBTTFNCMZ - Temperature Min (Ts(min)) ¡$ - Temperature Max (Ts(max)) ¡$ - Time (min to max) (ts) oTFDT Average ramp up rate (Liquidus Temp (TL) to peak ¡$TFDPOENBY TS(max) to TL - Ramp-up Rate ¡$TFDPOENBY Reflow - Temperature (TL) (Liquidus) ¡$ - Temperature (tL) oTFDPOET Peak Temperature (TP) ¡$ Time within 5°C of actual peak Temperature (tp) oTFDPOET Ramp-down Rate ¡$TFDPOENBY Time 25°C to peak Temperature (TP) NJOVUFT.BY Do not exceed ¡$ Small Outline Plastic Packages (SOIC) N INDEX AREA 0.25(0.010) M H M8.15 (JEDEC MS-012-AA Issue C) B M E -FBE/BSSPX#PEZ4NBMM0VUMJOF1MBTUJD1BDLBHF -B- 1 2 3 Symbol L SEATING PLANE -A- h x 45o A D -C- e A1 B 0.25(0.010) M ? C 0.10(0.004) C A M B S 4ZNCPMTBSFEFmOFEJOUIFi.04FSJFT4ZNCPM-JTUwJO4FDUJPOPG1VCMJDBUJPO /VNCFS %JNFOTJPOJOHBOEUPMFSBODJOHQFS"/4*:. %JNFOTJPOi%wEPFTOPUJODMVEFNPMEnBTIQSPUSVTJPOTPSHBUFCVSST.PMEnBTI QSPUSVTJPOBOEHBUFCVSSTTIBMMOPUFYDFFENNJODI QFSTJEF Min Max Notes " # $ % & #4$ #4$ ) I - / %JNFOTJPOi&wEPFTOPUJODMVEFJOUFSMFBEnBTIPSQSPUSVTJPOT*OUFSMFBEnBTIBOE QSPUSVTJPOTTIBMMOPUFYDFFENNJODI QFSTJEF Millimeters Max " F /PUFT Inches Min P 5IFDIBNGFSPOUIFCPEZJTPQUJPOBM*GJUJTOPUQSFTFOUBWJTVBMJOEFYGFBUVSFNVTUCF MPDBUFEXJUIJOUIFDSPTTIBUDIFEBSFB 8 8P P 8P i-wJTUIFMFOHUIPGUFSNJOBMGPSTPMEFSJOHUPBTVCTUSBUF i/wJTUIFOVNCFSPGUFSNJOBMQPTJUJPOT 5FSNJOBMOVNCFSTBSFTIPXOGPSSFGFSFODFPOMZ 5IFMFBEXJEUIi#wBTNFBTVSFENNJODI PSHSFBUFSBCPWFUIFTFBUJOH QMBOFTIBMMOPUFYDFFEBNBYJNVNWBMVFPGNNJODI $POUSPMMJOHEJNFOTJPO.*--*.&5&3$POWFSUFEJODIEJNFOTJPOTBSFOPUOFDFTTBSJMZ FYBDU SP725 Lead-Free/Green Series Specifications are subject to change without notice. 71 Electronics Designers Guide www.littelfuse.com ©2008 Littelfuse Silicon Protection Arrays SCR Diode Array for ESD and Transient Overvoltage Protection Part Numbering System Product Characteristics SP 725 AB T G Green Silicon Protection Array Lead Plating .BUUF5JO Lead Material $PQQFS"MMPZ Lead Coplanarity JODIFTNN Subsitute Material 4JMJDPO Body Material .PMEFE&QPYZ Flammability 6-7 Tape and Reel Series Package Type AB: 8 Leaded SOIC /PUFT "MMEJNFOTJPOTBSFJONJMMJNFUFST %JNFOTJPOTJODMVEFTPMEFSQMBUJOH %JNFOTJPOTBSFFYDMVTJWFPGNPMEnBTINFUBMCVSS "MMTQFDJmDBUJPOTDPNQMZUP+&%&$41&$.0*446&" #MPJTGBDJOHVQGPSNPMEBOEGBDJOHEPXOGPSUSJNGPSNJFSFWFSTFUSJNGPSN 1BDLBHFTVSGBDFNBUUFmOJTI7%* Ordering Information Part Number Temp. Range (ºC) Package Marking Min. Order Qty. 41"#( UP -E40*$ 41"( 41"#5( UP -E40*$5BQFBOE3FFM 41"( Embossed Carrier Tape & Reel Specification - SOIC Package Symbol Millimetres Max Min Max & ' 1 % % 1 1 ©2008 Littelfuse .JO .JO 8 1 " # , U www.littelfuse.com Inches Min 72 Electronics Designers Guide SP725 Lead-Free/Green Series Specifications are subject to change without notice.