AP65552SP-13 Integrated Circuits (ICs)

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AP65552SP-13 is a member of the Aptina Voltage Regulators family and a DC DC Switching Regulator. It is designed to provide the intermediate step-down voltage regulation needed to support various applications with the maximum efficiency and minimal total harmonic distortion (THD). The product provides an adjustable output voltage of up to 13V, and is capable of delivering up to 5A of continuous output power. It employs a peak current-mode control architecture that allows greater efficiency and higher power density, while still achieving ultra-low output noise in addition to excellent transient response.

The wide input voltage range of 6.5V to 28V makes this Aptina part ideal for a variety of DC input sources and applications. The product can be enabled or disabled through logic control and it features a built-in one frequency foldback for short circuit protection or inrush current limiting. The adjustable output voltage can be adjusted through an external resistive voltage divider or manually via a resistor.

The cascaded PWM controller and low-side synchronous rectifier provide smooth control of the output current, eliminating ripple and surge current during operation. The AP65552SP-13 can also be configured in synchronous buck, synchronous boost, and SEPIC topologies. The synchronous boost topology enables higher-capacity power supplies, while the SEPIC topology makes it suitable for multi-output applications. The AP65552SP-13 also provides programmable soft-start and pre-biased load support, and it is capable of operating as low as 16kHz.

The AP65552SP-13 is particularly suitable for applications in the automotive, consumer, industrial, and medical segments. These include power supplies for high power LED applications, motors, and medical equipment. In automotive LED applications, the part can be used to power the LED headlights and taillights, providing a highly efficient and low-cost solution for the lighting system. It can also be used in battery charging systems and home appliances, where its accurate current-mode architecture provides superior power density and fast transient response.

In addition to its performance and feature set, the Aptina AP65552SP-13 also offers excellent long-term reliability which can be further enhanced by the internal frequency jittering mechanism. This feature reduces the electro-magnetic interference (EMI) generated by the switching regulator, even if the switching frequency remains the same. The AP65552SP-13 is available in a high-reliability 5 x 6 mm package and is fully compliant with RoHS and WEEE standards, making it an ideal choice for high volume and power sensitive applications.

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