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LCDP1521S Datasheet(PDF) 1 Page - STMicroelectronics |
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LCDP1521S Datasheet(HTML) 1 Page - STMicroelectronics |
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February 2017 Doc16268 Rev 7 1/13 This is information on a product in full production. www.st.com LCDP1521S Dual line programmable transient voltage suppressor for SLIC protection Datasheet - production data Features Dual line programmable transient voltage suppressor with separated gates Wide negative firing voltage range: VGn = -175 V max. Low dynamic switching voltages: VFP and VDGL Low gate triggering current: IGT = 5 mA max Peak pulse current: IPP = 40 A (5/310 μs) Holding current: IH = 150 mA min. Benefits A Trisil™ is not subject to ageing and provides a fail safe mode in short circuit for a better protection. Trisils are used to help equipment to meet various standards such as UL1950, IEC 60950 / CSA C22.2, UL1459 and TIA-968-A (formerly FCC part 68). Trisils have UL94 V0 resin approved (Trisils are UL497B approved - file: E136224). Description This device has been especially designed to protect 2 new high voltage, as well as classical SLICs, against transient overvoltages. Positive overvoltages are clamped by 2 diodes. Negative surges are suppressed by 2 thyristors, their breakdown voltage being referenced to -VBAT through the gate. Separated gates allow the SLICs to be supplied by two different voltages. Figure 1: Functional diagram SO-8 Gn1 Gn2 GND GND 1 2 3 4 8 7 6 5 Line (TIP1 or RING1) Line (TIP2 or RING2) Line (RING2 or TIP2) Line (RING1 or TIP1) |
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