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LCP1521S Datasheet(PDF) 1 Page - STMicroelectronics |
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LCP1521S Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 11 page July 2006 Rev 5 1/11 11 LCP1521S/LCP152DEE ASD (Application Specific Devices) Programmable transient voltage suppressor for SLIC protection Features ■ Dual programmable transient 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 = 30 A (10/1000 µs) ■ Holding current: IH = 150 mA min ■ Low space consuming package Description These devices have been especially designed to protect 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. These components present 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 level of protection. Trisils are used to ensure equipment meets various standards such as UL60950, IEC950 / CSA C22.2, UL1459 and FCC part 68. Trisils have UL94 V0 approved resin (Trisils are UL497B approved [file: E136224]). TM: TRISIL is a trademark of STMicroelectronics Order codes Figure 1. LCP1521S Functional diagram Figure 2. LCP152DEE Functional diagram Part Number Marking LCP1521S CP152S LCP1521SRL CP152S LCP152DEERL LCP152 SO-8 LCP1521S QFN 3x3 6 leads LCP152DEE TIP GATE NC RING TIP GND RING GND 1 TIP TIP GATE GND NC RING RING www.st.com |
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