TNY280GN

Duty Cycle:	65%
Mounting Type:	Surface Mount
Supplier Device Package:	SMD-8C
Package / Case:	8-SMD (7 Leads), Gull Wing
Operating Temperature:	-40°C ~ 150°C (TJ)
Control Features:	EN
Fault Protection:	Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit
Power (Watts):	36.5W
Frequency - Switching:	132kHz
Series:	TinySwitch®-III
Voltage - Supply (Vcc/Vdd):	--
Topology:	Flyback
Voltage - Breakdown:	700V
Internal Switch(s):	Yes
Output Isolation:	Isolated
Part Status:	Active
Packaging:	Tube

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PMIC - AC DC Converters, Offline SwitchersAC/DC converters, also known as offline switchers, are one of the most commonly used power supply configurations due to their effectiveness in converting alternating current (AC) from a grid, battery, or generator source into direct current (DC) for powering devices. These devices are typically single stage and generally provide a fairly low cost and efficient solution for low-power electronic products such as televisions, computers, and small appliances. The TNY280GN is one such AC/DC converter, developed by Power Integrations and widely used in offline switched power supplies.The TNY280GN is a highly efficient, low power, monolithic integrated circuit. It provides up to 36W of continuous output power at peak efficiency levels exceeding 81%. The device can operate from a wide input voltage range of 90-305VAC and is optimized for dropout voltages as low as 0.25V. This range of operation makes it an ideal choice for consumer applications, including lighting systems and home appliances, where input voltage is unpredictable or unreliable. The TNY280GN features a comprehensive set of integrated protection features, including built-in auto-restart capabilities. It is designed to minimize power losses and improve system reliability by restarting in the case of a short circuit, overvoltage, or over temperature condition. The device also includes a number of other intelligent features such as automatic start-up and soft-start, as well as output voltage compensation, to ensure smooth output power control.The unique feature of this AC/DC converter is its Active Valley Switching Technology. This technology enables the device to operate with ultra-low power levels over the entire input voltage range, reducing the ripple and noise on the output significantly. Unlike other high-voltage integrated converters, the TNY280GN does not require an auxiliary winding to support low input voltages.At the core of the device\'s operation is its primary-side regulation scheme, which allows for light-load efficiency levels approaching 100%. This feature greatly reduces the standby power consumption of the overall system, resulting in improved energy efficiency and lower overall costs.The TNY280GN can operate over a wide temperature range of -40 to +105 °C and is available in several package types. It is certified under a number of safety standards, including UL, CCC, and TUV, and is compliant with EN55032 guidelines for conducted and radiated emissions.The TNY280GN is an excellent choice for a wide range of AC/DC converter applications, with its broad input voltage range, efficient power delivery, and multiple protection features. Its high performance and low cost make it an ideal solution for cost-sensitive and energy-conscious systems.

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