MCP1827-2502E/AT

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MCP1827-2502E/AT is a low-voltage, low-dropout (LDO) linear voltage regulator, often classed as a type of PMIC or power management IC. Its power supply current requirements are very low, offering increased efficiency in wide range of mobile and peripheral device applications. Its low noise and fast transient response makes it ideal for a myriad of portable and sensitive applications.

MCP1827-2502E/AT offers a very unique approach to design with linear voltage regulation technology. It features an internal digital soft-start function that prevents the inrush current typical with digital loads. It also features a high speed response of just 10us and can be found in a variety of package types. Furthermore, it supports a wide input voltage range of 4.75V to 21V, with an output voltage adjustment of ±2.5%.

The MCP1827-2502E/AT can be used in a wide range of applications, such as portable devices, web-enabled devices, and devices needing low power consumption. Other applications include supply voltage for low power circuits, power for single-board computers and peripherals, and powering various types of embedded systems.

The regulator supports an adjustable output voltage from 0.6V to 4.0V and has a maximum output current capability of 2.5A. It also offers a maximum output power dissipation of 17.6W and a maximum load time of 10ms. The output current is protected against over-current and thermal overload conditions by a precision current regulator.

MCP1827-2502E/AT contains several features to improve system stability and performance, as well as protect against external disturbances. It also includes an adjustable soft start function, a power good signal, and an over-current protection circuit.

The working principle of the MCP1827-2502E/AT is quite simple. A field effect transistor (FET) is used as the main switch between the input and output voltage. When the output voltage is below the reference voltage, the gate voltage at the FET is driven up and the FET is turned on. The turn-on threshold is set by thetolerance scale of the reference voltage. When the output voltage is higher than the reference voltage, the gate voltage at the FET is driven down, turning off the FET. The turn-off threshold is set by the tolerance of the feedback voltage divider.

In combination with a current-mode PWM controller, the MCP1827-2502E/AT can be used to form an efficient and compact voltage regulator solution. The MCP1827-2502E/AT will automatically adjust the voltage output according to the load variation and temperature change, while the PWM controller compensates for the output voltage inconsistencies. The PWM controller then pulses the power supply current to the MCP1827-2502E/AT, thus providing highly precise regulation.

The MCP1827-2502E/AT offers many advantages over traditional linear voltage regulators, including high efficiency, low noise, and fast transient response. It is also capable of operating over a wide input voltage range and has a low power consumption requirement. Furthermore, it provides protection against over-current and thermal overload conditions.

The MCP1827-2502E/AT is ideal for applications that require precise voltage regulation, low power consumption and a fast response time. It is highly suitable for a variety of mobile and peripheral device applications, as well as powering various types of embedded systems.

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