Output Current Limiting

Output Current Limiting: Because the output transistors can be destroyed by excessive current flow, output current limiting circuits are often included in a power amplifier. Figure 18-27 shows the typical…

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What is Current Foldback?

What is Current Foldback? The current limiting technique maintains a constant load current at some specified value and under overload condition, the Vout drops to zero. But, in case of…

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What is Current Limiting Protection?

What is Current Limiting Protection? The circuit arrangement for IC 723 as low voltage or high voltage regulator has no protection. If short circuiting takes place (when load demands more…

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Foldback Current Limiting Circuit

Foldback Current Limiting Circuit: The disadvantage of constant current limit is relatively large power dissipation in the series pass transistor when the load terminals are shorted. Thus a large power…

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Constant Current Limiting Circuit

Constant Current Limiting Circuit: A block of series regulation using simple Constant Current Limiting Circuit is shown in the Fig. 2.119. It is also called short circuit protection circuit as…

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Audio Power Amplifiers Articles

Audio Power Amplifiers Articles: Audio Power Amplifier using IC Amplifier Driver : The LM391 integrated circuit Audio Power Amplifiers using IC Amplifier Driver contains amplification and ... BJT Power Amplifier…

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Electronic Devices and Circuits Articles

Electronic Devices and Circuits Articles: This Electronic Devices and Circuits Articles which includes the following topics: Introduction to Semiconductor Materials and Devices Conduction in Solids Conductor Semiconductor and Insulator P…

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Regulated and Switching Power Supplies Articles

Regulated and Switching Power Supplies Articles: Regulated and Unregulated Power Supply: Almost all electronic devices used in electronic circuits need a dc source of power to operate. The source of…

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