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LCP152 Datasheet

  • LCP152

  • STMicroelectronics [Programmable transient voltage suppress...

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LCP1521S/LCP152DEE
ASD (Application Specific Devices)
Programmable transient voltage suppressor for SLIC protection
Features
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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
= 5 mA max
Peak pulse current: I
PP
= 30 A (10/1000 碌s)
Holding current: I
H
= 150 mA min
Low space consuming package
SO-8
LCP1521S
QFN 3x3 6 leads
LCP152DEE
Order codes
Part Number
LCP1521S
LCP1521SRL
LCP152DEERL
Marking
CP152S
CP152S
LCP152
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 -V
BAT
through the gate.
These components present a very low gate
triggering current (I
GT
) in order to reduce the
current consumption on printed circuit board
during the firing phase.
Figure 1.
LCP1521S Functional diagram
TIP
1
TIP
GATE
GND
NC
GND
Benefits
TRISILs鈩?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]).
RING
RING
Figure 2.
LCP152DEE Functional diagram
TIP
TIP
GATE
GND
NC
RING
RING
TM: TRISIL is a trademark of STMicroelectronics
July 2006
Rev 5
1/11
www.st.com
11

LCP152 PDF文件相关型号

LCP1521S_06

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