Lecture #6 Power Supplies (Voltage Regulators) Instructor: Dr. Ahmad El-Banna N

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J-601-1448 Electronic Principals

Integrated Technical Education Cluster At AlAmeeria‎

© A

hmad

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Agenda

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Introduction

General Filter Considerations

Discrete Transistor Voltage Regulator

IC Voltage Regulators

INTRODUCTION 3

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Introduction

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Block diagram showing parts of a power supply.

GENERAL FILTER CONSIDERATIONS 5

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Ripple Voltage

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Capacitor Filter

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RC Filter

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DISCRETE TRANSISTOR VOLTAGE REGULATOR

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Series Voltage Regulator

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Shunt Voltage Regulator

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IC VOLTAGE REGULATORS 12

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Three-Terminal Voltage Regulators

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• Fixed-Positive-Voltage Regulators

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• Fixed-Negative-Voltage Regulators

Adjustable-Voltage Regulators

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• For more details, refer to:

• Chapter 15, Electronic Devices and Circuits, Boylestad.

• The lecture is available online at:

• https://speakerdeck.com/ahmad_elbanna

• For inquires, send to:

• ahmad.elbanna@feng.bu.edu.eg

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