Buck with UC3842

CASPOC Schematic

Components

uc3842 current mode controller
NPN transistor driving a pMosfet

Questions and remarks

SCOPE5:

--- Trace[1]:Current through (r11)

SCOPE2:

--- Trace[1]:Output at (vout)
--- Trace[2]:Current through (l1)

SCOPE3:

--- Trace[1]:Output at (vout)
--- Trace[2]:Output at (5)

SCOPE4:

--- Trace[1]:Voltage at (vrc)

SCOPE6:

--- Trace[1]:Voltage at (_internalnode_29)

SCOPE1:

--- Trace[1]:Current through (r9)
--- Trace[2]:Current through (d1)

Component Parameters

Components / Circuit:R9=1u, R8=48k, C5=2.2nF, R1=10k, R10=100, D1=Diode, R2=10, R6=22k, C1=220p, R4=2.5, RESR=100m, C4=220uF, L1=60u r=50m, R11=100m, R3=1000, V1=15, R5=100k, C2=2.2nF, C3=220pF, R7=22kComponents / Block:Components / Library:NPN1[breadboard\semiconductor\npn.lib](Hfe=500)
PMOSFETLEVEL01[semiconductor\mosfet\pmosfetlevel0.lib](VTO=-1, Cgs=1nF, Rg=10, Rd=10m, Vd=0.6, Rds=100m)
UC38422[breadboard\ic\smps\uc3842.lib]
GROUND1[electric\ground\ground.lib]
V21[sensor\voltage\v2.lib](Gain=1)

Circuit information

File name = buckdetailed.csi
Tscreen = 500u
Integration stepsize = 10n
Number of blocks = 59
Number of circuit nodes + voltage sources = 26

General information

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