MAX8630WETD25+T Integrated Circuits (ICs)

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MAX8630WETD25+T is a part of MAX8630 family which is designed as a primary-side LED driver IC for power supplies with LED backlighting. It integrates LED switch and PWM dimming control which provides instant dimming control, improved power factor, and lower THD performance when compared with traditional single-switched flyback topology. The device is ideally suited for driving LEDs from 15VAC to 265VAC wide range AC power line voltage. It is the main component for controlling similar lighting systems.

The MAX8630WETD25+T is especially suitable for driving high power LED arrays directly from a wide range AC sources, without need of external components. The maximum output power of the MAX8630WETD25+T is 25W. It also provides programmable current regulation and an operating frequency of up to 250kHz.

Apart from the obvious advantages in terms of size and reduced component count, other advantages of using the MAX8630WETD25+T include very low power losses, improved system reliability, better power factor, and improved heat dissipation. The use of such a device also simplifies and improves the power supply design process by allowing the designer to directly control the required output current and voltage. This eliminates the traditional step-up transformer and ballast circuit, which can be a time-consuming and expensive item when designing a lighting system.

Moreover, the MAX8630WETD25+T can enable isolated feedback, which further improves the desired performance. It can provide multiple options for remote control and fault monitoring. The integrated over current protection, over temperature protection and short circuit protection features, provide a safe and reliable LED driver IC, without the need for additional protection components.

The MAX8630WETD25+T also integrates a master capable LED driver and provides tremendous space savings over discrete designs. The LED driver includes a boost converter with an LED string control circuit and an LED digital display control circuit, which provides digital monitoring and feedback in order to optimize the LED string performance.

The MAX8630WETD25+T functions as a DC-DC converter, providing the necessary step-up voltage in order to charge the LED string. It uses a novel power factor correction (PFC) technique to achieve a more robust power management. This feature allows the LED driver to realize an accurate and efficient control of the output voltage, regardless of the LED string voltage variation.

The MAX8630WETD25+T supports multiple LED dimming techniques, such as 0-10V, 1-10V, DALI and resistance dimming. In addition, the user can adjust the current of the LEDs in order to optimize their efficiency, allowing precise control of the brightness, providing an excellent dimming performance.

In conclusion, MAX8630WETD25+T is a PMIC part specially designed as a primary-side LED driver IC. It is suitable for driving high power LED arrays directly from a wide range AC sources and provides a cost effective and reliable solution for a wide variety of applications including lighting,signal control and automation.

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