LYT4216L

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The LYT4216L is one of the most common AC DC converters and offline switchers used in the field of power management and power conversion. The device is versatile and suitable for a wide range of applications including telecom, industrial, automotive, and aviation. It is a highly reliable, efficient, and durable power solution that enables designers to achieve optimal performance.

The LYT4216L is a cost-effective solution for up to 15W of offline AC or DC power. It is a single-channel high-voltage, high-frequency AC/DC converter with an integrated switch mode, which uses two SMT capacitors and two inductors. This design provides a high efficiency, low EMI radiation, and space savings.

The LYT4216L features an integrated flyback circuit with a fixed frequency of 85kHz. It offers adjustable output voltage ranging from 6.8 to 10.2V DC, and current up to 1.6A. The converter has a peak efficiency of up to 93%, low device temperature during normal operation, and high reliability.

The LYT4216L provides excellent power quality, high power factor, and low standby power consumption. It has excellent surge protection and overvoltage protection, and can withstand voltage and current transients. Its overvoltage protection prevents the output voltage from exceeding 7.2V. The device also features a power saving function, allowing it to operate in standby mode at low current.

The LYT4216L can operate in junction temperatures ranging from -40°C to 105°C. It is designed with an integrated safe area detection circuit, which automatically switches the device off if the input or output voltage exceeds the specified limits. It supports a wide variety of applications, including notebook adapters, tablets, computers, power banks, and battery chargers.

The working principle of the LYT4216L lies in its high frequency switching technology. The device uses synchronous rectification and phase-shift modulation to reduce switching losses during operation. During normal operation, the primary side switches are turned on and off to control the on/off state of the switching transformer. The secondary side switches then convert the AC voltage to a DC voltage. Matching between the primary and secondary full-bridge rectifier circuit and a PFC-type controller control the current and the voltage, enabling the device to achieve peak efficiency.

The LYT4216L is a highly reliable and efficient AC DC converter that is suitable for a wide range of applications. Its design provides excellent power factor, power savings, and overvoltage protection, making it an ideal solution for use in industrial, automotive, aviation, and telecom applications. It also provides simple, efficient, cost-effective offline AC or DC power solutions.

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