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LTC1645CS датащи(PDF) 11 Page - Linear Technology

номер детали LTC1645CS
подробное описание детали  Dual-Channel Hot Swap Controller/Power Sequencer
PDF  24 Pages
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производитель  LINER [Linear Technology]
домашняя страница  http://www.linear.com
Logo LINER - Linear Technology

LTC1645CS датащи(HTML) 11 Page - Linear Technology

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LTC1645
APPLICATIO S I FOR ATIO
(a) VCC Short-Circuit Supply Current Glitch Without Any Limiting
(b) VCC Supply Glitch Without Any Limiting
(c) VCC Short-Circuit Supply Current Glitch
with 2
µH Series Inductor
(d) VCC Supply Glitch with 2µH Series Inductor
Figure 8. Supply Glitch
Supply Glitching
LTC1645 Hot Swap circuits on the backplane are generally
used to provide power-up/down sequence at insertion/
removal as well as overload/short-circuit protection. If a
short-circuit occurs at supply ramp-up, the circuit breaker
trips. The partially enhanced FET is easily disconnected
without any supply glitch.
If a dead short occurs after a supply connection is made
(Figure 8), the sense resistor R1 and the RDS(ON) of the
fully enhanced FET provide a low impedance path for
0.1
µF
1645 F08
10
R1
0.01
12V
IRF7413
2
µH
+
LTC1645
SUPPLY
GLITCH
100
µF
+
1
µs/DIV
1645 F08a
1
µs/DIV
1645 F08b
VCC
GATE
1
µs/DIV
1645 F08c
1
µs/DIV
1645 F08d
GATE
VCC



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