CHL8328-35CRT

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The CHL8328-35CRT Voltage Regulator is a High Power Voltage Regulator designed for a wide range of applications that require high power, tight regulation, high efficiency, and quick response time. The CHL8328-35CRT is designed to support temperatures ranging from -40°C to +85°C and is able to output up to 35A. The voltage regulator is capable of regulating output voltages from 1.8V up to the nominal output voltage of 5.5V. The device is packaged in a PQFP-80 package, making it a popular choice for low-profile applications.

The CHL8328-35CRT is a special purpose voltage regulator due to its specific features tailored for specific applications. This voltage regulator can be used in a variety of applications such as high power computing, industrial systems, automotive, and medical applications where high power, tight regulation, and quick response time are desired. The device is also suitable for application in battery powered devices such as wireless communication equipment and portable medical systems. In addition, the CHL8328-35CRT is capable of dynamically adjusting its output current and output voltage according to the changes in load.

The working principle of the CHL8328-35CRT lies in its topology, which uses a single N-type field-effect transistor (FET) as the main switching element for output current control. The FET is connected to the output and to an oscillating circuit. Depending on the input signal applied to the oscillating circuit, the FET is switched to control the output current from the output rails of the device. The FET also acts as an adjustable impedance element, which allows the output voltage to be regulated independently of the load current. The output current is regulated by setting the gate voltage of the FET and adjusting the oscillating frequency of the external oscillator which controls the switching frequency. The output voltage is regulated by controlling the voltage drop across the FET.

The CHL8328-35CRT also features several protection and safety features, such as short-circuit protection, over-temperature protection, over-voltage protection, and reversal input voltage protection. The device is also designed to provide a high reseal current to limit the external inrush current. The device also offers a soft-start feature, which limits the maximum current during startup and improves reliability. Furthermore, this voltage regulator features a low standby power mode which reduces power dissipation when the device is idle, thus increasing efficiency.

In conclusion, the CHL8328-35CRT voltage regulator is an ideal choice for applications requiring a high power, tight regulation, high efficiency, and quick response time. Its wide range of features makes it suitable for a variety of applications, ranging from high power computing to industrial systems, automotive, wireless communication equipment, and more. Its working principle relies on a single N-type FET which is connected to the output and to an oscillating circuit in order to regulate the output current. In addition, the voltage regulator is packed with various protection and safety features, such as short-circuit protection, over-temperature protection, over-voltage protection, soft-start feature, and low standby power mode.

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