Datasheet

LT3685
18
3685fb
APPLICATIONS INFORMATION
Figure 9. A Well Chosen Input Network Prevents Input Voltage Overshoot and
Ensures Reliable Operation when the LT3685 is Connected to a Live Supply
+
LT3685
4.7μF
V
IN
20V/DIV
I
IN
10A/DIV
20μs/DIV
V
IN
CLOSING SWITCH
SIMULATES HOT PLUG
I
IN
(9a)
(9b)
LOW
IMPEDANCE
ENERGIZED
24V SUPPLY
STRAY
INDUCTANCE
DUE TO 6 FEET
(2 METERS) OF
TWISTED PAIR
+
LT3685
4.7μF0.1μF
0.7Ω
V
IN
20V/DIV
I
IN
10A/DIV
20μs/DIV
DANGER
RINGING V
IN
MAY EXCEED
ABSOLUTE MAXIMUM RATING
(9c)
+
LT3685
4.7μF
22μF
35V
AI.EI.
3685 F09
V
IN
20V/DIV
I
IN
10A/DIV
20μs/DIV
+
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