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