LYT4314L

Series:	LYTSwitch™-4
Packaging:	Tube
Part Status:	Obsolete
Output Isolation:	Isolated
Internal Switch(s):	Yes
Voltage - Breakdown:	725V
Topology:	Flyback, Step-Down (Buck), Step-Up (Boost)
Voltage - Supply (Vcc/Vdd):	--
Duty Cycle:	99.9%
Frequency - Switching:	140kHz
Power (Watts):	22W
Fault Protection:	--
Control Features:	--
Operating Temperature:	-40°C ~ 150°C (TJ)
Package / Case:	7-SSIP, 6 Leads, Exposed Pad, Formed Leads
Supplier Device Package:	eSIP-7F
Mounting Type:	Through Hole

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LYT4314L is a type of offline switcher in the field of power management integrated circuits (PMICs). It is designed to convert alternating current (AC) to direct current (DC) and operates on offline systems like PC power supplies, LED lighting, and adapters. The device offers control, management, and protection for DC-DC converters and controllers, allowing it to be used for a variety of offline applications, such as lighting and adapter systems.The working principle of the LYT4314L is based on the concept of regulating an AC voltage source by using an active power switch and forming an AC-to-DC conversion circuit. The active power switch, which is controlled by a pulse-width modulated (PWM) signal from the power supply, is used to control the current and voltage of the output by regulating the applied AC voltage. The output voltage and current are monitored by an internal voltage detector circuitry that performs a comparison between the feedback voltage and the target voltage. When the input AC voltage and the output DC voltage are both within their specified limits, the active power switch may be turned off.In addition to providing voltage and overload protection, the LYT4314L also allows designers to design efficient power conversion systems with minimal system cost. This is achieved by using a proprietary digital control loop and an optimized system implementation. This allows for better output waveforms, and reduced total harmonic distortion. Furthermore, the LYT4314L supports a wide range of input voltages, including standard and non-standard AC waveforms. This allows designers greater flexibility when it comes to designing power conversion systems, as they are not limited to single waveforms.The LYT4314L is also designed with a peak detector to limit the output current in case of overcurrent or short circuit conditions. This allows the power conversion system to remain stable and provide reliable operation. Furthermore, the device provides a complete shutdown at a predetermined internal temperature and output short-circuit current, making it safe to use.In summary, the LYT4314L is a state-of-the-art offline switcher in the field of power management integrated circuits (PMICs). It offers a reliable, efficient, and cost-effective way to convert AC to DC for a variety of applications, such as lighting and adapter systems. It utilizes an active power switch to regulate output current and voltage, and is equipped with various protections and safeguards to ensure safe and reliable operation. The device supports a wide range of input voltages, allowing for greater design flexibility. Therefore, the LYT4314L is an ideal choice for demanding offline power conversion applications.

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