CHL8325A-09CRT

Series:	*
Part Status:	Obsolete

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CHL8325A-09CRT belongs to the family of PMIC - Voltage Regulators - DC DC Switching Controllers. This product offers a wide variety of features, such as low RDS(on), wide output voltage, low quiescent current, and high power efficiency. Additionally, it has a variety of external voltage modules and uses the complementary P-channel and N-channel MOSFETs in parallel to achieve low on-resistance, low switching loss, and low noise.The CHL8325A-09CRT is a low-ripple, low-noise, fixed-frequency switching controller. It\'s a single-ended primary-side regulation (S-PSR) controller that features constant frequency, constant ON time, and peak current control. Additionally, it has a built-in, zero-voltage or zero-current sensing circuit, EMI filter, power on reset, and over-current protection. This makes it highly suitable for a wide range of applications which require both high efficiency and high accuracy.The working principle of the CHL8325A-09CRT is based on the constant on-time (COT) control scheme. When the input voltage is higher than the output voltage, the controller will operate in the constant on-time mode, in which it will keep the switching devices turned on for a fixed period of time and then turn them off. This allows the output voltage to be kept at the desired level with a certain amount of ripple. Additionally, it provides fast and accurate output voltage control across the input voltage range.The CHL8325A-09CRT is suitable for applications that require multiple output voltages, such as computers, high-end audio and video products, LCD TV\'s, and flat-panel displays. It can also be used in various applications such as regulated DC power supplies, switched-mode power supplies, DC-DC converters, and high-efficiency DC-DC converters. Additionally, it is suitable for isolated, isolated/non-isolated, and single-ended designs. The features of CHL8325A-09CRT make it an ideal choice for designs requiring high-efficiency, high-power-density, low switching noise, and accurate output voltage regulation. It has low RDS(on) and wide output voltage range, low quiescent current and high power efficiency, along with the ability to offer up to 94% efficiency at full load. It also offers a range of external voltage modules, EMI filter and over-current-protection. Additionally, it is designed with built-in Zero-Voltage or Zero-Current Sensing, constant frequency, and constant On-Time peak current control for accurate output regulation. In conclusion, the CHL8325A-09CRT is an ideal control solution for high-efficiency, multi-output applications. It has a variety of features that make it suitable for a wide range of applications and its low RDS(on), wide output voltage, low quiescent current, and high power efficiency make it highly efficient and ideal for high-power density designs. Additionally, its built-in Zero-Voltage or Zero-Current Sensing, constant frequency, and constant On-Time peak current control make it highly accurate and reliable.

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