TNY276GN

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):	19W
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 Switchers

The TNY276GN is an offline switcher, which is designed to provide an efficient and reliable power source for devices that require an AC to DC conversion of power. It is a high-efficiency offline power solution, with an internal offline regulator, powered by an external AC source. The switcher is ideal for use in home appliances, consumer electronics, telecommunications, industrial and medical equipment, and automobiles.

Key Features and Benefits

The TNY276GN provides a fully-integrated, high-performance AC to DC converter solution, featuring low switch EMI, high efficiency, wide input voltage range, low standby power, and high peak load capability. It also offers superior protection against overload, overvoltage and over-temperature conditions, making it ideal for consumer and industrial applications.

Applications:

The TNY276GN is popularly used in consumer products, such as LCD TVs, smartphones, tablets, and many other consumer electronics. It is also used in industrial applications, such as industrial control systems and robotics, as well as medical equipment and other industrial applications. It can also be used in automotive applications like electric cars, hybrid vehicles, and charging systems.

Working Principle:

The TNY276GN is a pulse width modulation (PWM) current-mode control, flyback regulator designed to operate in an isolated environment. The TNY276GN provides a high power density design capability and is capable of supplying up to 15W of output, without the need for additional high-power components.The controller IC is designed to drive a transformer winding connected to the primary side of an isolated flyback converter. The driver switches the transformer winding at the switching frequency of the IC. The transformer has a center-tap (CT) and two terminals, one for the primary winding and one for the secondary winding. When the primary winding is connected to an AC power supply, a transformer core is magnetized and induces a voltage across the secondary winding.The TNY276GN then drives the transformer on the primary side with a voltage-mode feedback, allowing it to regulate the output voltage on the secondary side and provide isolation between the primary and secondary sides. The device also has a range of features like current protection, over-voltage and short circuit protection, and thermal shutdown protection.The device also has variable switching frequency and frequency foldback, enabling the controller to automatically adjust the switching frequency as the load increase or decrease, thus improving efficiency and reducing noise in the system. The TNY276GN also features an auto-recovery latch feature, which prevents the output from being unintentionally shorted out.Overall, the TNY276GN is a highly efficient, reliable, and cost-effective AC to DC converter solution. The device offers superior performance and protection, wide operating range, and a high power density design capability, making it ideal for a variety of consumer, industrial, medical, and automotive applications.

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