Low-side MOSFET switch calculator

Components used

SPICE netlist

* **************************************************
* Generated from CircuitSim Schematic
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X_Q1 N3 N1 0 NMOS_43a01f44 VTO=2 KP=1 GAMMA=0 PHI=0.6 LAMBDA=0 RD=0 RS=0 CBD=0 CBS=0 IS=1e-14 PB=0.8 CGSO=0 CGDO=0 CGBO=0 RSH=0 CJ=0 MJ=0.5 CJSW=0 MJSW=0.33 JS=0 TOX=1u NSS=0 TPG=1 LD=0 U0=600 KF=0 AF=1 FC=0.5 TNOM=27 L=100u W=100u M=1 AD=0 AS=0 PD=0 PS=0 NRD=1 NRS=1 TEMP=27
R_R1 N2 N3 100 Resistor_1d9c8cf9a__R_R1
V_V1 N2 0 dc 12 ac 0 0 distof1 0 0 distof2 0 0
V_V2 N1 0 dc 5 ac 0 0 distof1 0 0 distof2 0 0
E_VP1 VP1 0 N3 0 1

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* Models and supporting definitions follow
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.subckt NMOS_43a01f44 D G S params: L=100u W=100u M=1 AD=0 AS=0 PD=0 PS=0 NRD=1 NRS=1 TEMP=27 VTO=0 KP=2e-5 GAMMA=0 PHI=0.6 LAMBDA=0 RD=0 RS=0 CBD=0 CBS=0 IS=1e-14 PB=0.8 CGSO=0 CGDO=0 CGBO=0 RSH=0 CJ=0 MJ=0.5 CJSW=0 MJSW=0.33 JS=0 TOX=4n NSS=0 TPG=1 LD=0 U0=600 KF=0 AF=1 FC=0.5 TNOM=27
    .model NMOS_43a01f44_CORE NMOS(Level=1 VTO={VTO} KP={KP} GAMMA={GAMMA} PHI={PHI} LAMBDA={LAMBDA} RD={RD} RS={RS} CBD={CBD} CBS={CBS} IS={IS} PB={PB} CGSO={CGSO} CGDO={CGDO} CGBO={CGBO} RSH={RSH} CJ={CJ} MJ={MJ} CJSW={CJSW} MJSW={MJSW} JS={JS} TOX={TOX} NSS={NSS} TPG={TPG} LD={LD} U0={U0} KF={KF} AF={AF} FC={FC} TNOM={TNOM})
    M_CORE D G S S NMOS_43a01f44_CORE L={L} W={W} M={M} AD={AD} AS={AS} PD={PD} PS={PS} NRD={NRD} NRS={NRS} TEMP={TEMP}
.ends NMOS_43a01f44
.model Resistor_1d9c8cf9a__R_R1 r(tc1=0 tc2=0 tnom=27)

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* Simulation settings
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.op
.save V(VP1)
.end