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LCP1521SRL Programmable Transient Voltage Suppressor ST Microelectronics

LCP1521SRL Programmable Transient Voltage Suppressor ST Microelectronics

Manufacturer: STMicroelectronics
Part Number: LCP1521SRL
Package: SOIC
Lead/Terminal Type: Surface Mount
Number Leads/Terminals: 8

Price: $0.40
5000 available for immediate delivery
Code: IC663APH03
Weight: 0.01oz ONZ
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Additional Information

Programmable Transient Voltage Suppressors

The LCP1521SRL protects SLICs against transient overvoltages. It is ideal for the classic SLICs as well as the new high voltage ones. Two diodes clamp positive overvoltages and two thyristors suppress negative surges. Their breakdown voltage is referenced to -VBAT through the gate. During the firing phase, the low gate triggering current reduces the current consumption on the PCB.

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

Absolute Maximum Ratings (Tamb = 25 C, unless otherwise specified)
Peak pulse current (10/1000us): 30A
Non repetitive surge peak on-state current (50Hz sinusoidal / t = 20ms): 18A
Maximum gate current (50Hz sinusoidal / t = 10ms): 2A
Maximum voltage LINE/GND (-40C < Tamb < 85C): -150V
Maximum voltage GATE/LINE (-40C < Tamb < 85C): -150V

Parameters related to the diode LINE / GND (Tamb = 25 C)
Forward drop voltage LINE / GND (IF = 5A / t = 500us): 3.0V
Peak forward voltage LINE / GND (10/700us, 1.5kV, RS = 10Ω): 5.0V

Parameters related to the protection Thyristors (Tamb = 25 C, unless otherwise specified)
Gate triggering current (VGND / LINE = -48 V): 0.1mA typ.
Holding current (VGATE = -48 V): 150mA typ.
Gate triggering voltage (at IGT): 2.5V max.
Reverse leakage current GATE / LINE (VRG = -150 V, TJ = 25C): 5.0uA max.
Dynamic switching voltage GATE / LINE (VGATE = -48 V, 10/700μs, 1.5kV, RS = 10Ω, IPP = 30A): 7.0V max.

Parameters related to diode and protection Thyristors (Tamb = 25 C,unless otherwise specified)
Reverse leakage current LINE / GND (VGATE / LINE = -1 V VRM = -150 V, TJ = 25C): 5.0uA max.
Capacitance LINE / GND (VR = 50 V bias, VRMS = 1 V, F = 1 MHz): 15.0pF typ.

Manufactured by: STMicroelectronics
Part Number: LCP1521SRL

Full Datasheet: Programmable TVS LCP1521SRL ST Micro