® LCP1521 PROGRAMMABLE TRANSIENT VOLTAGE SUPPRESSOR FOR SLIC PROTECTION Application Specific Discretes A.
S.
D.
TM 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 = 2 mA max Peak pulse current: IPP = 30 A (10/1000 µs) Holding current: IH = 150 mA SO-8 DESCRIPTION This device has been especially designed to protect new high voltage, as well as classical SLICs, against transient overvoltages.
Positive overvoltages are clipped with 2 diodes.
Negative surges are suppressed by 2 thyristors, their breakdown voltage being referenced to -VBAT through the gate.
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