LDK220C-R

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The LDK220C-R is a high performance intagrated linear voltage regulator designed for application across a range of devices such as iPhone, poad and game console. It is a cost-effective and reliable solution for regulating applications with an output of +3.3V and 500mA. In addition, the device offers short circuit protection and wide power supply range from 3.15V to 6V.

The LDK220C-R is a two-terminal adjustable regulator, featuring low dropout voltage and low quiescent current. It features advanced features such as thermal shutdown, output voltage accuracy and improved transient response. It is also capable of driven capacitive loads and has a fast response time.

One of the most important features of the LDK220C-R is its high efficiency. The device offers an efficiency of up to 95%, depending on the load current. This high efficiency allows more power to be used for the application, resulting in prolonged battery life. In addition, the device is also capable of accepting up to 2A of input current and can thus provide a greater range of operating conditions.

Another feature of the LDK220C-R is its low quiescent current. The device has a minimum quiescent current of 75uA, which is suitable for low power applications. In addition, it features low output noise, making it suitable for audio applications. The device also features EMI immunity, ensuring reliable operation in harsh conditions.

The working principle of the LDK220C-R lies in its regulation of the output voltage. It uses a series regulator circuit, which is composed of an internal voltage reference and an integrated circuit error amplifier. When current flows from the input to the output, the integrated circuit error amplifier compares the output voltage against the internal reference voltage and adjusts the output current to ensure that the correct voltage is supplied to the application.

The device also contains other circuits such as a power switch and a power transistor. The power switch is responsible for turning the device ON and OFF, whereas the power transistor is used to limit the peak currents. In addition, the device also contains a thermal shutdown circuit and a low-dropout control circuit. All of these features, when combined, make the LDK220C-R a highly efficient and reliable linear voltage regulator.

In conclusion, the LDK220C-R is a high performance intagrated linear voltage regulator designed for a wide range of applications such as iPhones, pads and game consoles. It features advanced features such as thermal shutdown and improved transient response, and it is reliable, efficient and cost-effective. The device is capable of accepting up to 2A of input current and features low quiescent current, making it ideal for low power applications. Its working principle lies in its series regulator circuit, which is composed of an internal voltage reference and an integrated circuit error amplifier. All of these features make the device a highly reliable and efficient solution for regulating applications with an output of +3.3V and 500mA.

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