Basic Knowledge of Discrete Semiconductor Device
In this e-learning course, you will learn the definition of “semiconductor” and the basics of semiconductor devices, including diodes, transistors, isolators/solid state relays, and power supply ICs.
Chapter I : Basis of Semiconductors
Chapter 1 discusses the basics of semiconductors such as the definition of “semiconductor”, materials of semiconductors, n-type and p-type semiconductors, and p-n junctions.
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Includes:
- What is a Semiconductor?
- Semiconductor Materials
- n-type Semiconductor
- p-type Semiconductor
- What is a Compound Semiconductor?
- What is a pn Junction?
- Types of Semiconductor Devices
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Download "Chapter I : Basis of Semiconductors" (PDF:894KB)
For those who want to see one page at a time on a web page
What is a Semiconductor?
Semiconductor Materials
n-type Semiconductor
p-type Semiconductor
What is a Compound Semiconductor?
What is a pn Junction?
Types of Semiconductor Devices
Chapter II : Diodes
Chapter 2 shows different types of diodes and discusses their operations and characteristics.
Includes:
- Types of Diodes
- Functions of Rectifier Diodes
- Forward Characteristic of Rectifier Diodes (IF-VF Characteristic)
- FRDs (Fast Recovery Diodes)
- Voltage Regulator Diodes (Zener Diodes)
- TVS diode (ESD protection diode)
- Difference between TVS Diodes and Zener Diodes
- Variable-capacitance Diodes (Varicap Diodes)
- Schottky Barrier Diodes (SBDs)
- Reverse Recovery Characteristic of Schottky Barrier Diodes (SBDs)
- Difference Depending on Metal of Schottky Barrier Diodes (SBDs)
- Characteristics Application of Various Diodes
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For those who want to download the PDF and read it later
Download "Chapter II : Diodes" (PDF:895KB)
For those who want to see one page at a time on a web page
Types of Diodes
Functions of Rectifier Diodes
Forward Characteristic of Rectifier Diodes (IF-VF Characteristic)
FRDs (Fast Recovery Diodes)
Voltage Regulator Diodes (Zener Diodes)
TVS diode (ESD protection diode)
Difference between TVS Diodes and Zener Diodes (1)
Difference between TVS Diodes and Zener Diodes (2)
Variable-capacitance Diodes (Varicap Diodes)
Schottky Barrier Diodes (SBDs)
Reverse Recovery Characteristic of Schottky Barrier Diodes (SBDs)
Difference Depending on Metal of Schottky Barrier Diodes (SBDs)
Characteristics Application of Various Diodes
Chapter III : Transistors
Chapter 3 shows different types of transistors and discusses their operations and characteristics.
Includes:
- Types of Transistors
- Bipolar Transistors (BJTs)
- Bias Resistor Built-in Transistors (BRTs)
- Junction Field-Effect Transistors (JFETs)
- Metal-Oxide-Semiconductor Field-Effect Transistors (MOSFETs)
- Differences between BJT and MOSFET
- Structure and Operation of MOSFET
- MOSFET Performance Improvement: Decision Factors of RDS(ON)
- MOSFET Performance Improvement: Approach to Low RDS(ON)
- MOSFET Performance Improvement: Super-Junction MOSFETs (SJ-MOS)
- Summary of MOSFET Features by Structure
- Performance of MOSFETs: Drain Current and Power Dissipation
- Performance of MOSFETs: Avalanche Capability
- Performance of MOSFETs: Characteristic of Capacitance
- Performance of MOSFETs: Safe Operating Area(or Area of Safe Operation)
- Insulated-Gate Bipolar Transistors (IGBTs)
- Operation of Insulated-Gate Bipolar Transistors (IGBTs)
- Performance Improvement of IGBTs: Evolution of Vertical Design
- What are RC-IGBTs and IEGTs?
- Application of IGBTs
- Comparison of Forward Characteristics of IGBTs and MOSFETs
- Comparison of Transistors by Structure
- Datasheets of MOSFET: Maximum Ratings
- Datasheets of MOSFET: Electrical Characteristics
- Datasheets of MOSFET: Capacitance and Switching Characteristics
- Datasheets of MOSFET: Body Diode
For those who want to see the video at once
For those who want to download the PDF and read it later
Download "Chapter III : Transistors" (PDF:2.0MB)
For those who want to see one page at a time on a web page
Types of Transistors
Bipolar Transistors (BJTs)
Bias Resistor Built-in Transistors (BRTs)
Junction Field-Effect Transistors (JFETs)
Metal-Oxide-Semiconductor Field-Effect Transistors (MOSFETs)
Differences between BJT and MOSFET
Structure and Operation of MOSFET
MOSFET Performance Improvement: Decision Factors of RDS(ON)
MOSFET Performance Improvement: Approach to Low RDS(ON)
MOSFET Performance Improvement: Super-Junction MOSFETs (SJ-MOS)
Summary of MOSFET Features by Structure
Performance of MOSFETs: Drain Current and Power Dissipation
Performance of MOSFETs: Avalanche Capability
Performance of MOSFETs: Characteristic of Capacitance
Performance of MOSFETs: Safe Operating Area(or Area of Safe Operation)
Insulated-Gate Bipolar Transistors (IGBTs)
Operation of Insulated-Gate Bipolar Transistors (IGBTs)
Performance Improvement of IGBTs: Evolution of Vertical Design
What are RC-IGBTs and IEGTs?
Application of IGBTs
Comparison of Forward Characteristics of IGBTs and MOSFETs
Comparison of Transistors by Structure
Datasheets of MOSFET: Maximum Ratings
Datasheets of MOSFET: Electrical Characteristics
Datasheets of MOSFET: Capacitance and Switching Characteristics
Datasheets of MOSFET: Body Diode
Chapter IV : Local Power Supply ICs
Chapter 4 discusses different types of power supply ICs, conditions of power supplies in equipment, and why point-of-load (POL) power supplies are required. It also describes the operations of linear and switching regulators.
Includes:
- Power Management IC
- Example of Power Line Structure in a System
- Why POL Supply ICs Are Wanted?
- Types of Local Power Supply Ics
- Operation of Linear Regulators
- Operation of Switching Regulators
- Functions of LDO
- Load Switch IC
- Functions of Load Switch IC
For those who want to see the video at once
For those who want to download the PDF and read it later
Download "Chapter IV : Local Power Supply ICs" (PDF:770KB)
For those who want to see one page at a time on a web page
Power Management IC
Example of Power Line Structure in a System
Why POL Supply ICs Are Wanted?
Types of Local Power Supply ICs
Operation of Linear Regulators
Operation of Switching Regulators
Functions of LDO
Load Switch IC
Functions of Load Switch IC
Chapter V : Optical Semiconductors (Isolators/Solid State Relays)
Chapter 5 discusses different types of isolators/solid state relays including photocouplers and discusses their operations and characteristics.
Includes:
- Types of Optical Semiconductors
- Light-Emitting Principal of LEDs
- The wavelength range of LEDs
- What Is a Photocoupler?
- Why Are Photocouplers Necessary?
- Types of Photocouplers
- Types of Photocouplers (Packages)
- Types of Photocouplers (Internal Structure)
- Safety Standards of Photocouplers
- Characteristics of Photocouplers (Current Transfer Ratio: CTR)
- Principal Characteristics of Photocouplers (Trigger LED Current)
- Aging Variation Data of Photocouplers
- How to Use a Photocoupler
- How to Use a Photocoupler “Input Current”
- How to Use a Photocoupler “Output Current”
- How to Use a Photocoupler “Output-Side Resistor”
- How to Use a Photocoupler Check
For those who want to see the video at once
For those who want to download the PDF and read it later
Download "Chapter V : Optical Semiconductors" (PDF:1.8MB)
For those who want to see one page at a time on a web page
Types of Optical Semiconductors
Light-Emitting Principal of LEDs
The wavelength range of LEDs
What Is a Photocoupler?
Why Are Photocouplers Necessary?
Types of Photocouplers
Types of Photocouplers (Packages)
Types of Photocouplers (Internal Structure)
Safety Standards of Photocouplers
Characteristics of Photocouplers (Current Transfer Ratio: CTR)
Principal Characteristics of Photocouplers (Trigger LED Current)
Aging Variation Data of Photocouplers
How to Use a Photocoupler
How to Use a Photocoupler “Input Current”
How to Use a Photocoupler “Output Current”
How to Use a Photocoupler “Output-Side Resistor”
How to Use a Photocoupler Check
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