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LCDP1521RL Datasheet(PDF) 1 Page - STMicroelectronics |
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LCDP1521RL Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 11 page  Rev 3 February 2006 1/11 11 LCDP1521 Dual line programmable transient voltage suppressor for SLIC protection Features ■ Dual line programmable transient voltage suppressor ■ Wide negative firing voltage range: ■ VMGL = -150 V max. ■ Low dynamic switching voltages: VFP and VDGL ■ Low gate triggering current: IGT = 5 mA max ■ Peak pulse current: IPP = 20 A (10/1000 µs) ■ Holding current: IH = 150 mA min 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. This component presents a very low gate triggering current (IGT) in order to reduce the current consumption on printed circuit board during the firing phase. Benefits Trisils are not subject to ageing and provide a fail safe mode in short circuit for a better protection. Trisils are used to help equipment to meet various standards such as UL1950, IEC950 / CSA C22.2, UL1459 and FCC part68. Trisils have UL94 V0 resin approved (Trisils are UL497B approved (file: E136224)). Functional diagram SO-8 TIP 1 RING 1 TIP 2 RING 2 GATE GATE GND GND 1 2 3 4 8 7 6 5 www.st.com |
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Similar Description - LCDP1521RL |
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