AP2213D-2.5TRE1

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AP2213D-2.5TRE1, a linear voltage regulator, is capable of providing constant voltage power, dynamic current limit, fast response time, and improved soft-start capability. It provides highly efficient voltage regulation, allowing a reduction in the number of power rails needed in a system.

This product is designed for a wide variety of applications in consumer electronics, such as personal computer, mobile phone, portable game console, tablet PC, set-top box and netbook. It is suitable for 1.8V to 5.5V input voltage applications and could output up to 2.5A.

AP2213D-2.5TRE1 is a step-down voltage regulator capable of providing output voltage at lower than input voltage, with constant voltage power and improved soft-start capability. Its converter topology consists of a high-side PMOS switch and a low-side NMOS switch at core. The high-side PMOS acts as a main switch for stepping down the VIN and the low-side NMOS acts as an auxiliary switch to simultaneously switch-off the capacitors when approaching the zero crossing. A dedicated PFM control unit controls the core conduction time and switches accordingly.

The AP2213D-2.5TRE1 has an adjustable output voltage, programmable dynamic current limiter, fast response time, and adjustable soft-start time. During the start-up process, the voltage regulator injects a predefined current (programmable through soft-start pin) into the output capacitors to avoid output voltage overshoot. With adjustable soft-start time, the output voltage ramps up slowly and the peak current limiting reduces component stress.

The AP2213D-2.5TRE1 uses a line feed-forward error amplifier to control the output voltage level. The error amplifier compares the output voltage feedback to an internally generated output voltage reference. The error amplifier output provides a current proportional to the discrepancy that is summed with a current from the feedback sense resistor. The resulting current drives the PMOS switch gate to regulate the output voltage. The AP2213D-2.5TRE1 has a maximum PFM frequency of 4MHz which can be programmed through soft-start pins.

With integrated over-temperature protection and under-voltage-lockout designed for systems with input voltage below 1.5V, AP2213D-2.5TRE1 offers over-temperature protection of up to 150°C. The AP2213D-2.5TRE1 has a fixed minimum on-time of 200ns and integrated oscillator with programmable frequency compensation pins. The output voltage range is adjustable from 0.8V to 2.5V. With adjustable output current limit and low dropout, it can provide up to 2.5A of current.

In summary, AP2213D-2.5TRE1 is a next generation of energy efficient, high efficiency, low cost linear voltage regulator designed for commercial and industrial applications with heavy-duty performance. It integrates features such as high voltage output, adjustable current limit, adjustable soft-start and fast response time, and is suitable for low voltage applications. This product provides improved efficiency and low ripple, making it the ideal choice for applications requiring high efficiency and reliable power delivery.

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