AP2128K-1.8TRG1

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AP2128K-1.8TRG1 is a linear voltage regulator from PMIC, or Power Management Integrated Circuit. It integrates many peripheral and I/O devices, such as system management unit (SMU), high-efficiency DC/DC converters, programmable voltage regulators (PVR), and device supervision and control subsystems. It’s designed to provide high efficiency and low-noise power management solutions for home appliances and mobile/portable devices.

AP2128K-1.8TRG1 is mainly applied in different home appliances, portable devices and automotive applications. It provides adjustable output voltage with additional tracking and margin control. It is able to deliver up to 1.8A of output current, and the output voltage can be externally adjusted to a maximum of 24V. It is available in through-hole and surface-mount packages, and its features make it suitable for a wide range of electronic systems.

The key features of AP2128K-1.8TRG1 include wide input voltage range, wide range of output voltage, excellent transient performance and fast switching time. The device comes with integrated protection features such as short circuit protection, over temperature protection and over-voltage protection. It also has an integrated error amplifier that provides excellent transient response, and an internal compensation network that enables fast load transient response. It has an integrated slew rate limiter which reduces inrush current and prevents oscillations in high frequency systems. It has low-power consumption during operation and low-voltage drop during standby mode.

The working principle of AP2128K-1.8TRG1 is based on a three-terminal regulator IC. It has a reference voltage pin which allows the device to maintain a stable output voltage, and a ground pin which provides a path for the current to flow. In addition, the device has two control pins, namely the enable pin and the voltage sense pin. The voltage sense pin provides the device with a reference voltage while the enable pin is used to turn the device on or off. When the enable pin is “low”, the device is in the off-state, and when the enable pin is “high”, the device is in the on-state.

The internal circuitry of AP2128K-1.8TRG1 consists of a voltage reference, error amplifier, and voltage regulator. The voltage reference is used to set the output voltage, and the error amplifier compares the output voltage with the reference voltage to maintain a level of accuracy. The voltage regulator maintains the output voltage within a specified tolerance by continuously regulating the voltage at the output. It also provides current limit protection to keep the output current below a certain level.

AP2128K-1.8TRG1 is a versatile and efficient voltage regulator. It has a wide input voltage range, low-voltage drop, and low-power consumption, making it ideal for use in a variety of home appliances and portable devices. It comes with integrated protections such as short circuit protection, over-temperature protection, and over-voltage protection. Its flexible output voltage range and wide temperature range make it suitable for use in a variety of applications.

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