參數(shù)資料
型號(hào)： LCP1521
廠商： 意法半導(dǎo)體
英文描述： PROGRAMMABLE TRANSIENT VOLTAGE SUPPRESSOR FOR SLIC PROTECTION
中文描述： 可編程瞬態(tài)電壓抑制器保護(hù)的用戶接口
文件頁數(shù)： 1/9頁
文件大小： 112K
代理商： LCP1521
LCP1521
September 1999 - Ed: 2A
PROGRAMMABLE TRANSIENT VOLTAGE
SUPPRESSOR FOR SLIC PROTECTION
SO-8
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
μ
s)
Holding current: I
H
= 150 mA
FEATURES
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.
DESCRIPTION
Application Specific Discretes
A.S.D.
TM
FUNCTIONAL DIAGRAM
TIP
GATE
NC
RING
TIP
GND
RING
GND
1/9
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