Datasheet

10
LTC1645
1645fa
APPLICATIO S I FOR ATIO
WUUU
V
CC
Waveform Clamped by a Transient Suppressor
Figure 6. Transient Suppressor Clamp
V
OUT
0.1µF
1645 F06
10Ω
D1*
ON SEMICONDUCTOR
* 1SMA12CAT3
R1
0.01Ω
12V
IRF7413
C
LOAD
+
+
–
LTC1645
POWER
LEADS
BACKPLANE CONNECTOR
PCB EDGE CONNECTOR
1µs/DIV
1645 F06a
2V/DIV
0V
12V
(a) V
CC
Waveform Damped by a Snubber (15Ω, 6.8nF) (b) V
CC
Waveform Damped by a Snubber (10Ω, 0.1µF)
Figure 7. Snubber “Fixes”
V
OUT
0.1µF
1645 F07
10Ω
R1
0.01Ω
12V
IRF7413
C
LOAD
+
+
–
LTC1645
POWER
LEADS
BACKPLANE CONNECTOR
PCB EDGE CONNECTOR
10Ω
0.1µF
1µs/DIV
1645 F07a
2V/DIV
0V
12V
1µs/DIV
1645 F07b
2V/DIV
0V
12V