Power Supply Design. The Big Picture 220 Volts AC 1.5-9V Battries 9-12V Power Adapter 5V Usable DC Supply ?

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Presentation transcript:

Power Supply Design

The Big Picture 220 Volts AC 1.5-9V Battries 9-12V Power Adapter 5V Usable DC Supply ?

Supply from 220V AC outlets Transformer 220V AC 9-12V AC 9-12V DC

Power Adapters

DC-DC Converters Types of Converters – Step Down, Buck Converters – Step Up, Boost Converters Converter Technology – Linear Regulators - simple – Switching Regulators – more efficient

Step down Linear Regulators TO-92TO-220SOT

Step down switching regulator TO-220 TO-263 SOIC

Step-up Regulators - Usually has low output current

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