AP1506-12K5L-13

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AP1506-12K5L-13 is a DC DC switching regulator that falls into the category of Pulse-Width Modulation (PWM) voltage regulators. It offers a wide range of output voltages, from 0.8V to 13V, a guaranteed output current of 12A, an adjustable switching frequency from 500Hz to 2MHz, and a 3.2V to 35V input voltage range.

The AP1506-12K5L-13 offers a number of advantages over other similar regulators, including a high efficiency rating of 95% and a low switch loss, which translate into low total power dissipation as well as high output accuracy. The device also incorporates a number of protection features, such as over-current protection, over-temperature protection, and short-circuit protection.

AP1506-12K5L-13 is suitable for applications in consumer electronics, industrial, automotive, and other fields. The device is ideal for applications that require a regulated, high currents and/or wide voltage range output, such as battery chargers, PC motherboards, and consumer electronics.

AP1506-12K5L-13 Working Principle

The AP1506-12K5L-13 is a buck-boost switching regulator, which means that it can step-down (buck) or step-up (boost) the input voltage as needed to generate the desired output voltage. The device utilizes Pulse-Width Modulation (PWM) to control the buck-boost switching process.

At the heart of the regulator is an oscillator, which is responsible for producing the PWM pulses that control the buck-boost switching process. The oscillator frequency can be programmed between 500Hz and 2MHz, based on the application’s needs. Higher frequencies typically result in higher efficiency and smaller component size, but at the expense of reduced load and line regulation.

When input voltage is greater than output voltage (Buck), the device will rapidly open and close a series of high-side and low-side MOSFET switches to generate high-frequency pulse-width modulated (PWM) signals. As the PWM width is shortened and the device spends less time switching, the output voltage will be regulated. The opposite occurs when the input voltage is lower than output voltage (Boost).

The device’s typical 95% efficiency can attributed to the minimum on-times used within the device’s integrated drivers, providing faster switching speeds as well as lower losses. The AP1506-12K5L-13 also offers over-current protection, over-temperature protection, and short-circuit protection to keep the application safe from potential damage due to short circuits or other unexpected occurrences.

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