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LCP1521 Datasheet

  • LCP1521

  • PROGRAMMABLE TRANSIENT VOLTAGE SUPPRESSOR FOR SLIC PROTECTIO...

  • 9頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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廬
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:
V
MGL
= -150 V max.
Low dynamic switching voltages: V
FP
and V
DGL
Low gate triggering current: I
GT
= 2 mA max
Peak pulse current: I
PP
= 30 A (10/1000
碌s)
Holding current: I
H
= 150 mA
SO-8
DESCRIPTION
This device has been especially designed to pro-
tect new high voltage, as well as classical SLICs,
against transient overvoltages.
Positive overvoltages are clipped with 2 diodes.
Negative surges are suppressed by 2 thyris-
tors, their breakdown voltage being referenced
to -V
BAT
through the gate.
This component presents a very low gate trigge-
ring current (I
GT
) in order to reduce the current con-
sumption on printed circuit board during the firing
phase.
A particular attention has been given to the internal
wire bonding. The Kelvin method configuration en-
sures reliable protection, reducing the overvoltage
introduced by the parasitic inductances of the wir-
ing L x(dI/dt), especially for very fast transients.
FUNCTIONAL DIAGRAM
TIP
TIP
GATE
GND
NC
GND
RING
RING
September 1999 - Ed: 2A
1/9

LCP1521 產(chǎn)品屬性

  • STMicroelectronics

  • ESD 抑制器

  • SO-8

  • Tube

  • 100

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