LNBTVS6-220

LNBTVSx-22xx Lightning protection for LNB power supply Features ■ ■ ■ ■ ■ 3 kV, 4 kV and 6 kV protection (8/20 µs) Axial & SMD package Unidirectional and low VF (VF = 1.2 V at IF = 3 A) Low clamping factor Fast response time K A A K K A DO-201 SMB SMC Description The LNBTVSx-22xx is a dedicated lightning and electrical overstress surge protection for LNB voltage regulators in satellite set top box applications. This device provides the lightning protection required to pass the IEC and FCC regulations. Available in axial, SMB and SMC packages, this device is compatible with industry standard mounting processes. Order Code Part number LNBTVS3-220 LNBTVS3-220U LNBTVS4-220 LNBTVS4-220S LNBTVS4-221 LNBTVS4-221S LNBTVS4-222S LNBTVS6-220S LNBTVS6-221S Marking LNBTVS3-220 LC LNBTVS4-220 LAA LNBTVS4-221 LAB LAC LBA LBB Table 1. Symbol PPP P IFSM Tstg Tj TL Absolute maximum ratings (Tamb = 25° C) Parameter Peak pulse power dissipation (1) Value Tj initial = Tamb Tamb = 75° C Tp = 10 ms Tj initial = Tamb up to 3 kW 5 200 -65 to + 175 150 230 Unit W W A °C °C °C 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 1. For a surge greater than the maximum values, the diode will fail in short-circuit. January 2007 Rev 3 1/9 www.st.com Characteristics LNBTVSx-22xx 1 Table 2. Symbol Rth (j-l) Rth (j-a) Rth (j-l) Rth (j-a) Rth (j-l) Rth (j-a) Characteristics Thermal resistance Parameter Junction to leads Junction to ambient on printed circuit Llead = 10 mm Junction to case Junction to ambient on printed circuit Junction to case Junction to ambient on printed circuit Package DO-201 DO-201 SMB SMB SMC SMC Value 20 75 20 100 20 75 Unit ° C/W ° C/W ° C/W ° C/W ° C/W ° C/W Table 3. 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 PPP 10/1000 µS VCL @ Ipp 10/1000 µs Max mA 1 1 1 1 1 1 1 1 1 W 1500 1500 1800 1800 2000 2000 3000 3000 3000 V 33.2 33.2 33.2 33.2 33.2 33.2 33.2 33.2 33.2 A 45 45 55 55 60 60 90 90 90 VCL @ Ipp 8/20 µs (1) Max V 35 35 35 35 32 32 30 35 32 A 250 250 331 331 331 331 331 500 500 VCL VBR VRM IRM IR VF V I IF IPP Type IRM @VRM Max Min V 20 20 20 20 20 20 20 20 20 V 22 22 22 22 22 22 22 22 22 VBR @ IR Typ Max V V αT Max 10-4/°C 9.6 9.6 9.6 9.6 9.6 9.6 9.6 9.6 9.6 C Typ pF 3000 3000 3500 3500 5500 5500 6000 6000 6000 Unidirectional LNBTVS3-220 LNBTVS3-220U LNBTVS4-220 LNBTVS4-220S LNBTVS4-221 LNBTVS4-221S LNBTVS4-222S LNBTVS6-220S LNBTVS6-221S μA 1 1 1 1 1 1 1 1 1 23.1 24.2 23.1 24.2 23.1 24.2 23.1 24.2 23.1 24.2 23.1 24.2 23.1 24.2 23.1 24.2 23.1 24.2 1. IEC 61000-4-5 R = 12 Ω 2/9 LNBTVSx-22xx Figure 1. Characteristics Surge test examples at +4 kV - IEC 61000-4-5 - with series resistor of 12 Ω LNBTVS4-220S LNBTVS4-221S LNBTVS6-221S 3/9 Application LNBTVSx-22xx 2 Application Figure 2. Gate Sense StepController Application diagram LNBP/S Feedback LT1 LT2 L Vup Vcc Byp OUT Preregul. U.V.lockout +P.ON Enable I V Linear Post-reg +Modulator +Protection R EXTM SCL Diagnostics SDA ADDR DSQIN I²C 22 kHz Oscill Tone Detector DETIN DSQOUT LNBTVSx-22xx Table 4. Optimized fit to ST voltage regulators Recommended lightning protections LNB voltage regulators LNBP20, LNBP11x, LNBP8/9 LNBTVS3-220/x, LNBTVS4-220/x, LNBTVS6-220S, LNBTVS6-221S LNBS21, LNBP21 LNBH21, LNBH221, LNBH22, LNBEH21, LNBEH221 LNBH23, LNBH24 LNBTVS4-222S, LNBTVS6-221S LNBTVS4-220/x, LNBTVS4-221/x, LNBTVS6-221S LNBTVS4-221/x, LNBTVS4-222S, LNBTVS6-221S 4/9 LNBTVSx-22xx Ordering information scheme 3 Ordering information scheme LNB Low noise block regulator Transient voltage suppressor Lightning surge level 3 = 3 kV 4 = 4 kV 6 = 6 kV VBR 22 = 22 V VCL 0 = 35 V 1 = 32 V 2 = 30 V Package U = SMB S = SMC Blank = DO201 TVS x - 22 xx 5/9 Package information LNBTVSx-22xx 4 Package information ● Epoxy meets UL 94, V0 SMC package dimensions DIMENSIONS REF. E1 Table 5. Millimeters Min. Max. 2.45 0.20 3.2 0.41 8.15 7.15 4.70 6.25 1.60 Inches Min. 0.075 0.002 0.114 0.006 0.305 0.260 0.173 0.218 0.030 Max. 0.096 0.008 0.126 0.016 0.321 0.281 0.185 0.246 0.063 A1 D 1.90 0.05 2.90 0.15 7.75 6.60 4.40 5.55 0.75 A2 b E c E A1 E1 E2 b C A2 E2 L D L Figure 3. SMC footprint (dimensions in mm) 1.54 5.11 1.54 3.14 8.19 6/9 LNBTVSx-22xx Table 6. SMB package dimensions Package information DIMENSIONS E1 REF. Millimeters Min. Max. 2.45 0.20 2.20 0.41 5.60 4.60 3.95 1.60 Inches Min. Max. D A1 A2 b 1.90 0.05 1.95 0.15 5.10 4.05 3.30 0.75 0.075 0.096 0.002 0.008 0.077 0.087 0.006 0.016 0.201 0.220 0.159 0.181 0.130 0.156 0.030 0.063 E c E A1 E1 b C A2 L D L Figure 4. SMB footprint (dimensions in mm) 1.62 2.60 1.62 2.18 5.84 Table 7. B DO-201 package dimensions DIMENSIONS A B REF. Millimeters Min. Max. 9.5 Inches Min. Max. ØD ØC A B ØC ØD 8.5 25.4 4.8 0.96 0.335 0.374 1 5.3 1.06 0.189 0.209 0.038 0.042 In order to meet environmental requirements, ST offers these devices in ECOPACK® 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. 7/9 Ordering information LNBTVSx-22xx 5 Ordering information Delivery mode Amopack Tape and reel Amopack Tape and reel Amopack Tape and reel Tape and reel Tape and reel Tape and reel Part number LNBTVS3-220 LNBTVS3-220U LNBTVS4-220 LNBTVS4-220S LNBTVS4-221 LNBTVS4-221S LNBTVS4-222S LNBTVS6-220S LNBTVS6-221S Marking LNBTVS3-220 LC LNBTVS4-220 LAA LNBTVS4-221 LAB LAC LBA LBB Package DO-201 SMB DO-201 SMC DO-201 SMC SMC SMC SMC Weight 0.83 0.107 0.83 0.245 0.83 0.245 0.245 0.245 0.245 Base qty 600 2500 600 2500 600 2500 2500 2500 2500 6 Revision history Date 30-Sep-2005 10-Apr-2006 Revision 1 2 First release Reformatted to current standard. Corrected peak pulse power dissipation for LNBTVS6-220S in Table 2. Corrected footprint dimensions for SMC and SMB packages. Added surge test examples in Figure 1. Added Table 4. Optimized fit to ST voltage regulators. Added cathode bar indicators in package illustrations on page 1. Changes 29-Jan-2007 3 8/9 LNBTVSx-22xx 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. 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