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1-2. Advantages and disadvantages of linear regulators and switching regulators
Both linear and switching regulators have their own advantages and disadvantages as shown below.
| Linear regulators | Switching regulators | |
|---|---|---|
| Step-down conversion | Supported | Supported |
| Step-up conversion | N/S | Supported |
| Step-up/step-down conversion | N/S | Supported |
| Inverting conversion | N/S | Supported |
| Part count | Low | High |
| Design complexity | Simple | Complicated |
| Input-output voltage differential | Small*1 | Large |
| Output voltage ripple | Small | Large |
| Noise (e.g., EMI) | Small | Large |
| Heat generation | Large*2 | Small |
*1 LDO regulators have a small input-output voltage differential, depending on usage conditions.
*2 The amount of heat generated by LDO regulators might be small, depending on usage conditions.
Chapter1 Introduction to Low-Dropout (LDO) Regulators
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