TOP244GN-TL

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Heat is a challenge for power management. Heat can cause damage to the product in which it is used and reduce its lifespan , while also lowering power efficiency. This is often the case with electronic products, and one of the most common solutions to maintain and amplify power efficiency, improve product life and safeguard from damage caused by heat is to use an offline switcher product within AC or DC converters. TOP244GN-TL, a high current offline flyback converter and switchmode power supply (SMPS) controller IC, has been specifically designed to deliver high performance in various AC/DC switchmode converter applications.

TOP244GN-TL is a PWM controller IC with a built in high voltage, high speed power MOSFET and is capable of driving a power MOSFET with peak current up to 3.5A. It has low standby power consumption, a wide operating temperature range, and operates with a superior average efficiency. This makes it well-suited for both offline SMPS\' and applications such as off-line switching powersupplies with 12W to 200W power range requirements.

TOP244GN-TL’s superior integration allows simplified layout and design. It provides an adjustable power saving mode and adjustable feedback voltage, allowing its users to reduce the cost and improve the performance. A special feature of TOP244GN-TL is its high frequency operation, up to 120 kHz, which provides superior system efficiency and reduced component size. Additionally, is TTL compatible, offering higher power density in a lower cost design.

To understand the working principle of TOP244GN-TL, it is important to understand how AC/DC converters work in general. A conventional AC/DC converter consists of an AC-DC rectifier and a DC-DC stepdown converter, also known as a switchmode power supply (SMPS). The rectifier is responsible for rectifying the AC input voltage and converting it to a DC voltage. The DC-DC stepdown converter then adjusts this voltage down to a lower DC output voltage. This process is known as buck-conversion.

The TOP244GN-TL features an integrated high voltage switching power MOSFET to provide ultra-low standby power consumption, a wide operating temperature range, and superior average efficiency. It also features a variable on/off time and pulse width modulation (PWM) control circuitry, which allows for a smoother current flow in the power supply. The adjustable power saving mode of TOP244GN-TL reduces the power consumption, improving the system efficiency.

The main features of TOP244GN-TL include the fast operating frequency, up to 120 kHz; a wide operating temperature range of -40°C to +85°C; output current of up to 3.6A; a low startup current of 4 mA; and low standby power consumption of 0.2 W.

In applications such as air conditioners, solar inverters and any high power applications requiring a steady power supply, TOP244GN-TL is ideal. Its fast start-up time and low standby power consumption also make it suitable for low power applications such as small fans, mobile phones and electronic toys. Additionally, TOP244GN-TL is an ideal choice for applications using an AC or DC converter in the power supply and is suitable for any AC/DC switchmode converter requiring high current and efficiency.

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