24-08-2016, 04:15 PM
1439472306-ESDLAB.rar (Size: 1.15 MB / Downloads: 6)
THEORY:
The Buck Boost is a popular non-isolated, inverting power stage topology,
sometimes called a step up/down power stage. The Buck boost power stage is chosen
because the output voltage is inverted from the input voltage and the output voltage can
be either higher or lower than the input voltage. However the output voltage is opposite
in polarity from the input voltage. The Buck Boost converter circuit consist of MOSFET
switch Q, inductor L, diode D, filter capacitor C and load resistor R.
CONNECTION PROCEDURE:
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Connect P8 of PWM generator to PWM input of Buck-Boost converter
circuit.
Connect P4 of Buck-Boost converter circuit to P7 of PWM generator.
Set switch SW1 to downward direction to select the closed loop operation.