CHL8328-14CRT

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CHL8328-14CRT is an integrated circuit device developed by Texas Instruments, Inc. Its main usage is as a voltage regulator in special-purpose applications such as power management, motor control, and audio graphic.

The CHL8328-14CRT is a fully-integrated low dropout (LDO) linear regulator. It has an adjustable output voltage range of 0.5V to 5V and can provide a maximum output current of 300mA. It has a wide input voltage range from 2.5V to 20V and can operate at operating temperature range from −40 °C to +85 °C.

Working Principle

CHL8328-14CRT voltage regulator has a unique low dropout mode with current-sense capabilities. The circuit includes a high performance integrated NMOS transistor with accurate current sense and current limit protection, a protected high-side current-sense resistor, as well as a voltage detection circuit. This specific regulator can detect low output voltages and low input current (low line) conditions. The circuitry also features a low noise operation, circuit protection, and a very fast response time.

The voltage regulation set point is set by an external resistor and a 0.6V reference. The output of the regulator is a series connection between the PMOS transistor\'s source terminal and an integrated NMOS transistor\'s drain terminal. These two transistors provide the voltage regulation function and power the load through the output terminal. The voltage detection circuit will detect overvoltage conditions and will shut down the circuit if they are more than 100 mV above the set point. In addition, the voltage detection circuit will also detect low current conditions and reduce the drain-source channel current in order to maintain the output voltage.

The CHL8328-14CRT has a patented current-sense circuit which allows for sensing the current in the integrated NMOS transistor\'s drain terminal. It is capable of sensing the output current at a given input voltage and controlling the output current if the current is more than the designed limit. This feature helps to protect the device and prevents it from overloading. The device also has a wide range of output voltage and input voltage operation, making it suitable for different types of special applications.

Application Field

CHL8328-14CRT is widely applied in several power management systems. It can be used in various industrial grade applications such as motor control and audio graphic systems. It can be used to reduce the power consumption and stabilize the voltage of circuits. It can also be used in various battery powered systems, where the voltage regulation needs to be consistent. In addition, it can be used in hard disk drives, where the regulator needs to supply a stable voltage for good performance.

This linear voltage regulator can also be used in medical applications such as infusion pumps and other medical equipment. It can also be used in portable devices such as smartphones, tablets and laptops where the device needs to provide a stable voltage for proper device operation. This regulator can also be used in industrial automation applications such as robotic systems and motor control.

CHL8328-14CRT is a versatile linear voltage regulator which is suitable for various low voltage and special purpose applications. Its wide input voltage range and low dropout mode make it ideal for use in power management systems, motor control, audio graphics, battery powered systems, hard disk drives, infusion pumps and other medical equipment, portable devices and industrial automation applications.

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