AP7361C-28DR-13

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AP7361C-28DR-13 belongs to PMIC (Power Management IC) – Voltage Regulators – Linear and it is a high accuracy ldo regulator with a precise output voltage of 28V and a wide input voltage range from 1.7V to 5.5V. It allows for precise and reliable control of output voltage for demanding applications. The control and system designs of the device are based on a precise integrated voltage source, a stable 2.0V reference voltage and an adaptive On-Time control loop. This advanced technology makes provision of high-precision, fast dynamic response, and low power consumption output regulation.

The device has a ±1.0% output voltage tolerance with an additional 0.5% accuracy voltage trimming option. This provides stable circulation of power under varying temperature, input voltage, and output current conditions. The AP7361C-28DR-13 also features an improved ripple control and a low output voltage noise standard of 30mVpp in all operating conditions. This helps to decrease the amount of heat generated in the system and the complexity of EMI design for the system. It also provides improved system dynamic response and faster transient response time.

The circuit of the AP7361C-28DR-13 regulator consists of an error amplifier, a driver circuit, an oscillator, a reference, and a transconductance amplifier. When the input voltage is applied to the regulator, the output voltage of the error amplifier is compared with the reference voltage, and the controller adjusts the duty cycle of the oscillator accordingly. This in turn drives an internal driver to regulate the current flowing through the PMOS transistor. The transconductance amplifier, in conjunction with the error amplifier, forms a closed-loop feedback system. The feedback loop adjusts the output voltage in accordance to the reference voltage, providing a stable output voltage regulation. This closed-loop system is designed to minimize noise and reduce voltage transients.

The AP7361C-28DR-13 has a current limit of 1A and a high efficiency rating of up to 90%. This helps to save and preserve the power supply for increased reliability and performance. The device also helps to reduce the need for large heat sinks, which reduces the size and complexity of the power system design. Furthermore, the device features internal soft start, over current protection, and adjustable current limitation, all of which improve safety and system reliability.

In conclusion, the AP7361C-28DR-13 is an excellent integrated circuit for applications that require precise output voltage regulation. It provides a precise voltage output of 28V, a wide input voltage range, low noise operation and fast dynamic response. The device also includes numerous protection features such as adjustable current limitation, soft start capability and over temperature protection. Thus, the AP7361C-28DR-13 is ideal for a multitude of power regulation applications including automotive, automotive electronics, robotics and portable devices.

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