LNK305P

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The LNK305P is a type of offline switcher, although commonly classed as a type of power management integrated circuit (PMIC). This device is designed and intended for use with high efficiency offline switcher applications, such as high power factor (PF) and harmonic correction power supplies, such as those found in computing, networking, and other industrial and consumer electronics applications. The device utilizes a current sensing technique to regulate the output voltage and current, and can be configured to run as an adjustable linear regulator or AC-DC converter. It is suitable for low output power applications, up to 15W. 스타벅스 머니샵The Offline Switcher provides a single-package solution for a wide variety of low-power, mains-operated applications, such as standard five-wire applications and two-wire power supplies. The advantages of the offline switcher stem from its ability to support high efficiency, high PF and good harmonic distortion properties in a low-cost, low profile package. The LNK305P also features a wide input voltage range, allowing for operation from a wide range of input power sources, including DC, AC and AC single-phase systems. In addition, the device includes an in-line current sense, enabling operation of an adequate current output with a minimum input power requirement. The LNK305P is primarily used in computing, networking, and other industrial and consumer electronics applications, including but not limited to: AC/DC converters, switching power supplies, off-line converters, rectifiers, and linear regulators. When used in its linear regulator configuration, the device provides excellent line and load regulation with a maximum load current of up to 0.23A (2.3W). It also supports a wide input voltage range of 85VAC – 265VAC.The working principle of the LNK305P is based primarily on the use of a pulse-width modulation (PWM) technique for the production of regulated output power. The input power is first DC rectified and then the oscillator produces PWM pulses whose duty cycle is modulated based on external resistive and/or capacitor feedback. The duty cycle is modulated such that when the line and load parameters change, the duty cycle gets adjusted accordingly to keep the output power regulated. The device also includes an integrated error amplifier, enabling it to accurately control the output of the device to a specific set point. This feedback control loop is what allows the device to maintain a high power factor and low harmonic distortion.In addition, the LNK305P also includes various protection features, including over-voltage, over-current, and short-circuit protection. These features further ensure the safety and reliability of the device, and help to prevent damage due to incorrect operation.Overall, the LNK305P is a highly reliable and versatile offline switcher which can be used for a wide range of low-power, mains-operated applications. Its ability to produce good efficiency and power factor, with minimal harmonic distortion, make it an excellent choice for use in computing, networking, and other industrial and consumer electronics applications.

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