AP3581AMP-G1

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The AP3581AMP-G1 is a series of DC/DC switching controllers designed for use in the power distribution circuit of a variety of electronic devices. The controllers in this series are optimized for high efficiency and Power Distribution System (PDS) applications, making them suitable for use in many electronic products, from PCs, servers and telecommunications equipment to embedded systems. With its combination of a wide range of features, low power consumption and scalable power management, the AP3581AMP-G1 is a versatile solution for many different applications.

The AP3581AMP-G1 operates with a wide range of operating voltages (from 6V to 20V) and features a minimum turn-on voltage of 6V, which allows it to be used in applications with limited input power. Additionally, it supports a wide range of output voltages ranging from 2.5V to 7.5V. The controller has a low current shutdown mode to reduce quiescent power consumption and is also fully compatible with Power Distribution System (PDS) components and protocols. The AP3581AMP-G1 uses a flexible and efficient current-mode PWM architecture to control multiple DC/DC switching stages. It supports several different operating modes, including continuous conduction mode (CCM), boundary conduction mode (BCM) and extreme-light-load mode (ELLM). In CCM and BCM, the controller can reach a high maximum efficiency of 92% in a wide range of loads. The AP3581AMP-G1 employs multiple protection techniques to ensure reliable operations. It has an integrated overvoltage protection (OVP) module that can adjust the output voltage to limit the risk of an overvoltage event. It also supports short circuit protection (SCP), thermal shutdown protection (TSD), and programmable overcurrent protection (OCP).An integrated clock synchronized to the switching frequency provides a low-jitter clock signal, while the external synchronization option allows frequencies of up to 1 MHz. The controller also features a fast transient-load protection which allows it to respond quickly to changes in load current.In addition to its DC/DC switching control capabilities, the AP3581AMP-G1 also offers other useful system functions, including boost/buck current sensing, soft start/shutdown, and programmable soft start. These features make it an ideal solution for applications that require high reliability and precision. The AP3581AMP-G1 requires only minimal external components and uses an integrated chip architecture to minimize the total system cost. It has a wide operating temperature range (-40°C to +125°C) and is packaged in a small, ultra-low-profile 2mmx2mm WDFN package.In summary, the AP3581AMP-G1 DC/DC switching controller is an ideal solution for a variety of high efficiency, PDS-optimized applications. Its combination of features, low power consumption, and scalability make it well-suited for many electronic products, from PCs and servers to embedded systems. It provides an efficient and cost-effective solution for many power distribution needs.

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