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PBL Control 12

Chapter 3 discusses the methodology of a boost converter, which increases output voltage above input voltage. It describes two operational modes: Mode 1, where the MOSFET is on and current flows through the inductor, and Mode 2, where the MOSFET is off and the current flows through the load and diode. The chapter includes a circuit diagram to illustrate the configuration of the boost converter.

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9 views1 page

PBL Control 12

Chapter 3 discusses the methodology of a boost converter, which increases output voltage above input voltage. It describes two operational modes: Mode 1, where the MOSFET is on and current flows through the inductor, and Mode 2, where the MOSFET is off and the current flows through the load and diode. The chapter includes a circuit diagram to illustrate the configuration of the boost converter.

Uploaded by

akashsachan1462000
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Chapter 3

METHODOLOGY

3.1 GENERAL BOOST CONVERTER CONFIGURATION


In a boost converter, the output voltage is greater than the input voltage – hence the name
“boost”. A boost converter using a power MOSFET is shown below.

Fig. 3.1.1 Circuit diagram of Boost Converter. [1]

The function of boost converter can be divided into two modes, Mode 1 and Mode 2. Mode 1
begins when mosfet M1 is switched on at time t=0. The input current rises and flows through
inductor L and mosfet M1.
Mode 2 begins when mosfet M1 is switched off at time t=t1. The input current now flows through L,
C, load, and diode Dm. The inductor current falls until the next cycle. The energy stored in
inductor L flows through the load.

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