MAX14514ETD+

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The MAX14514ETD+ is a lighting, ballast controllers, which converts an input voltage to an output voltage to provide reliable lighting and system performance. This controller is based on a simple but highly efficient step-up DC/DC boost circuit, which offers excellent power efficiency and accuracy. The MAX14514ETD+ can be used in various applications, such as LED lighting, lighting control, HVAC/ventilation systems, power factor correction, and low voltage circuits.

Features:

• Wide input voltage range from 4.5 V to 24 V
• Output voltage up to 25 V.
• High output current up to 3.2 A
• High power efficiency up to 94%
• Integrated short-circuit protection
• 550 kHz operating frequency
• 5% accuracy over full load and temperature range
• Functional thermal and load protection
• 5.5 mm × 4.7 mm VQFN package

Applications:

• LED lighting applications
• Power factor correction (PFC) circuits
• HVAC system controllers
• Small appliance

Working Principle:

The MAX14514ETD+ is a step-up DC/DC boost controller that uses an input voltage to provide an output voltage. The Boost is based on a simple control circuit and a power MOSFET. With current-mode control, the MAX14514ETD+ utilizes a loop compensation circuit to ensure stable operation over a wide range of input and output voltage conditions. The output voltage is adjusted by duty cycle of the MOSFET and the feedback voltage. In addition,the MAX14514ETD+ provides excellent power efficiency across all loads with an integrated PWM frequency of 550kHz.

The MAX14514ETD+ also provides integrated protection features like short-circuit protection, thermal protection, overload protection and over voltage protection). With its 5.5 mm × 4.7 mm VQFN package and wide operating temperature range of -40 ºC to +85 ºC, the MAX14514ETD+ can be used in even the toughest conditions.

Conclusion:

The MAX14514ETD+ is a highly efficient, step-up DC/DC boost controller optimized for LED lighting, lighting control, HVAC/ventilation systems, and power factor correction applications. The controller offers excellent power efficiency and accuracy, and is designed to provide reliable, high-power performance. It also provides a wide range of features, such as short-circuit protection, thermal protection and overload protection, as well as a wide operating temperature range. All of these benefits make the MAX14514ETD+ a great choice for lighting, ballast controllers.

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