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PMIC - AC DC Converters, Offline Switchers

Introduction

Power Integrations\' TNY265GN is a highly flexible non-isolated switching power module designed for LED lighting, adapter and charger applications. It is designed for high efficiency, wide input voltage range, low standby power, no-load power and over temperature protection. In addition, its many features make it an attractive solution for a wide variety of applications.

Operating Principles and Features

The TNY265GN is based on a conventional forward converter topology. It has an internal MOSFET and a bypass diode to facilitate two-switch forward buck-based conversion. A control winding is used to sense the output voltage and allow modification of the power switch\'s operating cycle. This feature enables the TNY265GN to provide very stable output voltage and output current capability.

The TNY265GN includes an adjustable output voltage feature, allowing the output voltage to be set by adjusting the control winding. This feature allows the output voltages of the TNY265GN to be optimized for various applications, from low voltage (2.2V) to high voltage (36V). It also provides an over voltage protection function which can protect the system from damage by shutting down the power supply when the output voltage exceeds the preset level.

In addition, the TNY265GN also provides an over temperature protection feature. The module is designed to shut down the output if the temperature of the module exceeds a certain level. This feature helps protect the module from damage due to high temperature operation. The TNY265GN also includes a short-circuit protection mechanism which shuts down the output if an over current condition is detected.

The TNY265GN has low standby power (<50mW no-load) and high efficiency (up to 89%). It also has wide input voltage range (84-264 VAC) which makes it suitable for almost any global AC input.

Applications

The TNY265GN is an ideal solution for AC-DC power conversion in a variety of applications including LED lighting, adapters, and chargers. Its high efficiency and low standby power make it ideal for green energy applications. The TNY265GN is also suitable for low-power, low-current applications such as chargers and adapters for small filters, scanners and printers.

The TNY265GN is also suitable for use in applications needing high voltage and high current. It can be used in power supplies for large industrial pumps and motors, as well as in LED lighting applications requiring precise lighting control and energy efficiency.

Conclusion

The TNY265GN is a highly flexible non-isolated switching power module designed for LED lighting, adapter and charger applications. It features a conventional forward converter topology, high efficiency, wide input voltage range, low standby power, no-load power consumption and over temperature protection. The TNY265GN is suitable for a variety of applications, from low power, low current applications such as chargers and adapters for small filters, scanners and printers to power supplies for large industrial pumps and motors, and LED lighting applications requiring precise lighting control and energy efficiency.

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