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| LNBTVSx-304 Lightning protection for LNB power supply Features 1 kV, 500 A protection (8/20 s 1.2/50 s) SMC package Unidirectional and low VF (VF = 1.2 V at IF = 9 A) Low clamping factor Fast response time SMC A K Description The LNBTVSx-304 is a dedicated lightning and electrical overstress surge protection for LNB voltage regulators in satellite set top box applications. This device provides lightning protection based on the IEEE C62.41.2 standard. Available in the SMC package, this device is compatible with industry standard mounting processes. Table 1. Device summary LNBTVS4-304S LNBTVS6-304S Characteristic Lightning surge level (8/20 s 1.2/50 s combination wave) Clamping voltage (max) 700 V, 350 A 1000 V, 500 A 45 V @ 333 A 45 V @ 500 A April 2008 Rev 1 1/7 www.st.com Characteristics LNBTVSx-304 1 Table 2. Symbol PPP P IFSM Tstg Tj TL Characteristics Absolute maximum ratings (Tamb = 25 C) Parameter Peak pulse power dissipation (1) Peak dissipation on infinite heatsink Non repetitive surge peak forward current for unidirectional types Storage temperature range Maximum junction temperature Maximum lead temperature for soldering during 10 s at 5 mm from case Tj initial = Tamb Tamb = 75 C Tp = 10 ms Tj initial = Tamb LNBTVS4-304S LNBTVS6-304S Value up to 3 kW 5 250 300 -65 to + 175 150 260 Unit W W A A C C C 1. For a surge greater than the maximum values, the diode will fail in short-circuit. Table 3. Symbol Rth (j-l) Rth (j-a) Thermal resistance Parameter Junction to case Junction to ambient on printed circuit Value 20 75 Unit C/W C/W Table 4. Symbol VBR IRM VRM VCL IPP RI/O Cline IF VF Electrical characteristics (Tamb = 25 C) Parameter Breakdown voltage Leakage current @ VRM Stand-off voltage Clamping voltage Peak pulse current Series resistance between Input & Output Input capacitance per line Forward current Forward voltage IRM @VRM VBR @ IR Min V 28 28 V 30 30 Typ Max V 31.5 31.5 V 33 33 mA 1 1 W 2500 3000 PPP 10/1000 S VCL @ Ipp 10/1000 s Max V 45 45 A 56 67 VCL @ Ipp 8/20 s (1) Max V 45 45 A 333 500 T Max 10-4/C 9.6 9.6 C Typ pF 4000 5000 VCL VBR VRM IRM IR VF V I IF IPP Type Max A LNBTVS4-304S LNBTVS6-304S 1 1 1. IEEE C62.41.2, R = 2 2/7 LNBTVSx-304 Figure 1. Characteristics Surge test examples at 300 A and 500 A according to IEEE C62.41.2 standard LNBTVS4-304S LNBTVS6-304S LNBTVS6-304S 3/7 Ordering information scheme LNBTVSx-304 2 Ordering information scheme Figure 2. Ordering information scheme LNB Low noise block regulator Transient voltage suppressor TVS x - 30 4 S Lightning surge level 4 = 700 V, 350 A (8/20 s, 1.2/50 s combination waveform 6 = 1000 V, 500 A (8/20 s, 1.2/50 s combination waveform VBR (min) 30 = 30 V VCL (max) 4 = 45 V Package S = SMC 4/7 LNBTVSx-304 Package information 3 Package information Epoxy meets UL 94, V0 In order to meet environmental requirements, ST offers these devices in ECOPACK(R) packages. These packages have a lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at www.st.com. Table 5. SMC dimensions Dimensions Ref. E1 Millimeters Min. Max. 2.45 0.20 3.20 0.40 6.25 8.15 7.15 4.70 1.50 Inches Min. 0.075 0.002 0.114 0.006 0.218 0.305 0.260 0.173 0.030 Max. 0.096 0.008 0.126 0.016 0.246 0.321 0.281 0.185 0.059 A1 D 1.90 0.05 2.90 0.15 5.55 7.75 6.60 4.40 0.75 A2 b(1) E c (1) D A1 C E2 L A2 b E E1 E2 L 1. Dimensions b and c apply to plated leads Figure 3. SMC footprint, dimensions in mm (inches) 1.54 (0.061) 5.11 (0.201) 1.54 (0.061) 3.14 (0.124) 8.19 (0.322) 5/7 Ordering information LNBTVSx-304 4 Ordering information Table 6. Ordering information Marking LAD LBC Package SMC SMC Weight 0.245 0.245 Base qty 2500 2500 Delivery mode Tape and reel Tape and reel Order code LNBTVS4-304S LNBTVS6-304S 5 Revision history Table 7. Date 1-Apr-2008 Revision history Revision 1 First release Changes 6/7 LNBTVSx-304 Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries ("ST") reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST's terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein. UNLESS OTHERWISE SET FORTH IN ST'S TERMS AND CONDITIONS OF SALE ST DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY WITH RESPECT TO THE USE AND/OR SALE OF ST PRODUCTS INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION), OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. UNLESS EXPRESSLY APPROVED IN WRITING BY AN AUTHORIZED ST REPRESENTATIVE, ST PRODUCTS ARE NOT RECOMMENDED, AUTHORIZED OR WARRANTED FOR USE IN MILITARY, AIR CRAFT, SPACE, LIFE SAVING, OR LIFE SUSTAINING APPLICATIONS, NOR IN PRODUCTS OR SYSTEMS WHERE FAILURE OR MALFUNCTION MAY RESULT IN PERSONAL INJURY, DEATH, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE. ST PRODUCTS WHICH ARE NOT SPECIFIED AS "AUTOMOTIVE GRADE" MAY ONLY BE USED IN AUTOMOTIVE APPLICATIONS AT USER'S OWN RISK. Resale of ST products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by ST for the ST product or service described herein and shall not create or extend in any manner whatsoever, any liability of ST. ST and the ST logo are trademarks or registered trademarks of ST in various countries. Information in this document supersedes and replaces all information previously supplied. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners. (c) 2008 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com 7/7 |
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