TNY289KG

Duty Cycle:	67%
Mounting Type:	Surface Mount
Supplier Device Package:	12-ESOP
Package / Case:	12-BESOP (0.350", 8.89mm Width), 11 Leads, Exposed Pad
Operating Temperature:	-40°C ~ 150°C (TJ)
Control Features:	EN
Fault Protection:	Current Limiting, Open Loop, Over Temperature, Over Voltage, Short Circuit
Power (Watts):	25W
Frequency - Switching:	124kHz ~ 140kHz
Series:	TinySwitch®-4
Voltage - Supply (Vcc/Vdd):	--
Topology:	Flyback
Voltage - Breakdown:	725V
Internal Switch(s):	Yes
Output Isolation:	Isolated
Part Status:	Active
Packaging:	Tube

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PMIC - AC DC Converters, Offline Switchers

The TNY289KG is an integrated power management integrated circuit (PMIC) designed to provide complete solutions for low power AC/DC converter, offline switcher applications. It is capable of delivering up to 3A of continuous output current with 1.2V to 20V of output voltage range. This device is suitable for both AC and DC input power conversion, and works on a wide range of input frequency and voltage levels, making it a popular choice for numerous applications including industrial, commercial, personal, and automotive power solutions.The TNY289KG’s architecture allows it to feature a variety of integrated safety protections such as over-current protection, over-temperature protection, over-voltage protection, and short circuit protection. This ensures that the circuit operates safely and reliably and provides an improved power efficiency for the device. Additionally, the device features independent power-saving features to further reduce power consumption and extend the life of the IC.The TNY289KG is a highly efficient and robust PMIC, with a wide range of operating frequencies, input ranges, and output power. Its input and output controllers are digitally programmable and can be customized to a wide range of conditions. This allows the device to support various AC-DC and DC-DC power conversion requirements, with no additional components or circuit design effort needed.The TNY289KG can be used as an offline converter, a buck converter, a boost converter, or as a simple regulated power switching device. When used in a diode-or-bridge-rectifier-type circuit, it can provide a wide range of DC output voltage from 1.2V to 20V. In the buck-converter configuration, the output voltage can be trimmed within a certain range to provide the required output power. Similarly, in the boosting configuration, the input and output currents are regulated to produce the required output voltage. The TNY289KG also supports two independent input sources, allowing the device to automatically select the most suitable input source as the primary source and the other as the secondary source, based on various conditions. This makes it suitable for use in dual-input applications, such as a battery plus an AC adapter.The TNY289KG has been designed with high efficiency in mind. It features a maximum efficiency of up to 90%, making it an excellent choice for applications that require long battery life. Additionally, the device supports a wide range of operating temperatures, making it suitable for use in a variety of different environmental conditions. Overall, the TNY289KG is a powerful, efficient, and robust PMIC suitable for a wide variety of AC/DC converter and offline switcher applications. It features a wide range of safety protections, power-saving features, and a maximum efficiency of up to 90%, making it an excellent choice for power management in a variety of different applications.

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