AP139-33WL-7

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AP139-33WL-7 is a high power linear voltage regulator that belongs to the power management interface (PMIC) family. It features a wide input voltage range of 9.0V-33V, a 100mV maximum current output of 7A (or 1.5A indicated current peak, 10A in 30 seconds), and a low-dropout voltage of only 160mV (typical). Moreover, it has several output voltage settings, adjustable with external resistors. Also, it has great transient response and low noise levels, resulting in reliable system performance.

The AP139-33WL-7 is designed to control or regulate the output voltage in a wide range of applications, such as automotive electronics, communications equipment, industrial automation, medical fourfields, and other power-sensitive applications. It is specifically designed to provide regulated power to Light Emitting Diodes (LEDs).

The AP139-33WL-7 is based on a linear voltage regulator principle. With it, the input voltage is regulated by reducing the amplitude and increasing the frequency such that it matches the output-voltage demand. This regulation is usually performed by an internal feedback loop, which compares the output voltage to a reference voltage and adjusts the output voltage to match the reference voltage.

The AP139-33WL-7 also features overload and short-circuit protections, which help in safeguarding the device against unexpected load transients and short-circuits. Additionally, it supports an active current limiting circuit, which further helps in preventing accidental damage, by limiting the maximum output current. Lastly, an internal thermal protection provides extra overload protection to ensure safe operation.

In order to ensure stability and optimal operation of the device, the AP139-33WL-7 requires an optional external bypass capacitor and compensation network, consisting of one resistor and one capacitor connected in series. These components help reduce the overall output voltage drop caused by the loop gain of the regulator.

Overall, the AP139-33WL-7 is a high power linear voltage regulator that helps in regulating the output voltage in a wide range of power-sensitive applications. It features a wide input voltage range, high current output, low-dropout voltage, and good transient response. Moreover, it has several protection circuits that help in protecting the device against overloads, short-circuits, and thermal damages for safe operation.

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