Switching Mode Power Supply Classification

1. Classified by types of input power supplies

1.1. AC/DC Converters

1.1.1. Isolated

1.1.2. Non-Isolated

1.2. DC/DC Converters

1.2.1. Isolated

1.2.1.1. Flyback

1.2.1.2. Forward

1.2.1.3. Push-Pull

1.2.1.4. Half/Full bridge

1.2.2. Non-Isolated

1.2.2.1. Non-synchronous rectification

1.2.2.2. Synchronous rectification

2. Classified by functions

2.1. Buck

2.2. Boost

2.3. Buck/Boost

2.4. Inverting

3. Classified by operating modes

3.1. Operation modes for output voltage control

3.1.1. PWM

3.1.2. PFM

3.2. Feedback control methods

3.2.1. Current mode

3.2.2. Voltage mode

3.2.3. Hysteresis