CHAPTER 6Power Supply Design
Every electronic product needs a power supply. All electronic circuits rely on one or more dc voltage sources for power. As a result, any design effort should start by acknowledging the need for a power supply. You should design or specify the end product first to determine the voltage and current requirements of the supply.
Power Supply Choices and Specifications
Your options are batteries, ac power, or solar. If the product is to be portable, mobile, or handheld, a battery supply is mandatory. Figure 6.1 shows the basic configuration. In most designs, a regulator is needed to maintain a steady output to the load. Another addition may be a dc-dc converter. This is a separate IC or module that translates the battery ...
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