Datasheet

LTC1647-1/
LTC1647-2/LTC1647-3
18
1647fa
APPLICATIONS INFORMATION
C1
10nF
*D1
DDZ23
*REQUIRED FOR V
CC
> 10V
1647-1/2/3 F12
R2
10Ω
R1
0.01Ω
12V
Q1
IRF7413
L1
2μH
+
–
LTC1647
SUPPLY
GLITCH
BACKPLANE CONNECTOR
BOARD WITH POSSIBLE
SHORT-CIRCUIT FAULT
C2
100μF
+
5μs/DIV
GATE OF MOSFET
5V/DIV
V
CC
5V/DIV
V
CC
SHORT-CIRCUIT
SUPPLY CURRENT
50A/DIV
1647-1/2/3 F12a
5μs/DIV
1647-1/2/3 F12b
V
CC
SHORT-CIRCUIT
SUPPLY CURRENT
10A/DIV
V
CC
5V/DIV
GATE OF MOSFET
5V/DIV
12a. V
CC
Short-Circuit Supply Current Glitch without Any Limiting 12b. V
CC
Supply Glitch with 2μH Series Inductor
Figure 12. Supply Glitch