AP7315-15W5-7

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The AP7315, predecessor to the AP7317, is a 15 Watt buck switch mode power supply. It is a single stage DC to DC buck converter with integrated controller, MOSFET and external components. It is designed to operate over input voltages of between 4.5V and 28V and can provide an output voltage of between 0.8V and 20V, making it suitable for many applications in the market. The AP7315 can be used for both synchronous and non-synchronous buck conversion, and is capable of providing up to 15W of output power with an efficiency of up to 94%.

The AP7315 is based on the PrimeCell core, which is a powerful and versatile design platform for developing efficient, cost-effective and reliable DC-DC power management solutions. The core is designed around a constant-on-time (COT) control scheme, which allows for fast transient response, as well as improved light load efficiency and high-frequency operation. The AP7315 integrates the PrimeCell core with a high-performance digitally-controlled switchmode modulator (DSM), allowing for precise and accurate control of the output voltage.

The AP7315 also contains a wide range of additional features, including programmable UVLO (Under Voltage Lockout), OVP (Over Voltage Protection), over-temperature protection, current-mode control and a programmable frequency of up to 1MHz. Its fault protection adds further reliability and makes the AP7315 a cost-effective solution for applications requiring a range of output voltage, current and power requirements.

The AP7315’s application field can span from industrial to consumer applications. In industrial applications, its efficient and reliable design makes it suitable for powering most automation equipment including motion control, PLCs and machine vision systems. In consumer applications, the AP7315 can be used for powering digital media devices such as set-top boxes, media players, and gaming consoles. The high-efficiency and the ability to program the output voltage up to 20V make it suitable for powering low power LED lighting systems as well.

The AP7315’s working principle is simple and relatively straightforward: An external signal is fed into the controller, which in turn provides the signal to the high-voltage switch, regulating the voltage across its output filter to match the signal. The COT modulation is used to control the voltage and current precisely and accurately, while the small size and high efficiency of the converter allow it to fit into various space-constrained designs.

In short, the AP7315 provides the highest efficiency and reliability for both industrial and consumer applications. The AP7315 is capable of providing up to 15W of output power with efficiency of up to 94%. Its fault protection and current-mode control make it a cost-effective solution for a wide range of applications. With its PrimeCell core and DSM, the AP7315 is a perfect fit for low-power LED lighting systems, motion control systems, digital media players, and gaming consoles.

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