PQ1KA253MZPH

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The PQ1KA253MZPH is a highly efficient, fixed-voltage linear power regulator, featuring a low-noise, shut-down mode. It utilizes an integrated 100mA, 1.2v DC-DC buck converter, with a wide input voltage range up to 16v, making it suitable for both small and large power applications. It provides high accuracy voltage regulation, allowing for precise voltage programming and high current output capability. This regulator is ideal for applications such as industrial, medical, internet of things (IoT), and consumer applications.

The PQ1KA253MZPH features an on-chip current limiter, which limits the average output current level over a given period. It also features a low-noise, 3-state shutdown mode that allows the device to draw a minimal current when not in use. This helps to reduce energy consumption and ensures hot-swapping capabilities. Additionally, the regulator includes a load switch to reduce load current for improved efficiency under light load conditions.

The PQ1KA253MZPH is made up of a series of active regulation elements, including power MOSFETs, a high voltage precision band gap circuit, temperature sensors, 18-bit DACs, and voltage and current sense circuitry. The power MOSFETs, temperature sensors, and the high-voltage precision bandgap circuit are the main components responsible for voltage regulation. A computerized adaptive control technique is employed to experimentally adjust the voltages of these components in order improve the regulator’s performance and accuracy.

The PQ1KA253MZPH also features a wide regulated output voltage range, up to 5v. This allows for very precise voltage regulation, which can be set to any voltage level between 1.2v and 5v in increments of 1mV. This allows for accurate voltage setting for microcontroller, digital signal processor, or other low voltage applications.

The PQ1KA253MZPH also features a wide input voltage range, up to 16v, allowing it to be used in applications involving LiPo and other battery technologies. It also features a very low quiescent current, allowing it to be used in low-power portable electronics. Additionally, the regulator features a low drop-out voltage, which ensures stable operation even with high load currents.

The PQ1KA253MZPH is a highly efficient, fixed-voltage linear power regulator, making it well-suited for many diverse applications, ranging from industrial and medical to internet of things (IoT) and consumer applications. With its high accuracy voltage programming, low quiescent current, and current limit capabilities, the regulator is ideal for powering high-current devices. Its wide input voltage range and low-noise, shut down mode make it well-suited for portable devices, as well as for applications involving hot-swapping. This regulator also features precise voltage regulation, allowing for very precise voltage settings for microcontrollers and digital signal processors.

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