TNY277GN

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PMIC - AC DC Converters, Offline Switchers

The TNY277GN is an offline switcher designed for small office and home electronics devices. It allows for multiple AC (alternating current) to DC (direct current) converters to be used simultaneously. The TNY277GN has built-in protection features and a range of full-featured features.

The TNY277GN utilizes a full-wave bridge rectifier to convert the AC input voltage into a continuous DC supply voltage. This rectified DC voltage feeds into an integrated high-current DC-DC buck (step-down) converter. This buck converter then reduces the rectified voltage output to a stable DC voltage compliant with the system requirements. The TNY277N can be used to generate multiple output voltages, as it can easily be adapted to other power requirements.

The integrated safety features include over-voltage, over-current, and short-circuit protection. Additionally, the TNY277GN has built-in thermal protection for over-temperature events. This built-in protection helps protect the system from overheating and allows for a longer working life.

The TNY277GN’s control section is composed of an input voltage sensing stage, an output voltage sensing stage, a startup resistor, an over-current comparator, a temperature sensor channel, and an error amplifier. This control section allows the device to regulate its output voltage even when input voltage or load current changes. These features allow the TNY277GN to accurately and precisely provide a regulated output voltage.

The TNY277GN is a flexible and robust offline switcher. It can be used to generate multiple output voltages, and its protection features help protect the connected system from over-current, over-voltage, and short-circuit events. Furthermore, its accurate control section allows for precise voltage regulation even when the input voltage or load current changes. The TNY277GN is an ideal choice for applications requiring reliable low-power DC conversion.

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