Hazard Identification (HAZID) vs. Hazard and Operability (HAZOP): A Comparati...
Buck Converter using LTspice
1. Buck Converter
PULSE(0 15V 0u 0u 0u 7u 20u)
V_sig
U1
2SK3682
.
.
.
U2
40CPQ050
R1
10
R2
1m
R3
10
R4
22
R5
10k
R6
1m
C1
2n
C2
2n
C3
1000u
R8
1m
L1
0.01uH
L2
100uH
L3
10nH
V1
12
R7
0.5
Vout
D S
G
A
K
.tran 0 10ms 0 10u
.lib 2SK3682_p.lib
.lib 40cpq050_p.lib
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Vin = 12[V]
Vout = 3.6[V]
Iout=7.3[A]
2. Vout and Iout
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Vout=3.635[V]
Iout=7.269[A]
3. SBD Characteristic reference Output Voltage
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Overshoot
2
Initial State
1 Steady State
3
Vout
Current
Voltage
Power
4. Initial State SBD: Voltage, Current and Power
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1
5. Overshoot SBD: Voltage, Current and Power
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2
6. Steady State SBD: Voltage, Current and Power
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3
7. MOSFET Characteristic reference Output Voltage
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1 Initial State
2 Overshoot
3 Steady State
Vout
IDS
VDS
VGS
POWER
8. Initial State MOSFET: Turn On
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1
9. Overshoot MOSFET: Turn On
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2
10. Steady State MOSFET: Turn On
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3