MAX8630WETD20+T

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MAX8630WETD20+T is a power management IC (PMIC) available in the market which has been designed specifically for LED lighting application segment. This PMIC is primarily used for DC-DC linear modes in multi-LED applications and for AC/DC constant current regulators for single or multi-LED lighting. The MAX8630WETD20+T PMIC is a good choice for both commercial and residential applications such as track lighting fixtures, Troffers, recessed lighting, and architectural lighting.

The MAX8630WETD20+T have an integrated linear regulator, switching regulator, step-down regulator and current sensing circuitry, pre-integrated into a small package. This PMIC is most suitable for LED dimming applications which require precise current regulation and good power efficiency. It is suitable for use in applications that require up to 20 watts of output power.

The operating principle of the MAX8630WETD20+T PMIC is based on its integrated components such as switching regulator, linear regulator, current sense circuit and adjustable power supply controller. The switching regulator works to convert AC input power to a DC output. The linear regulator operates in the linear modulation mode to sense and regulate voltage, current and output power. The current sensing circuit is designed to measure the LED current and provide feedback to the power supply controller which in turn adjusts the switching frequency to maintain the required LED current and output power.

The MAX8630WETD20+T PMIC also includes a standby current mode driver for improved system power efficiency and start-up time. The current mode driver allows the system to achieve low start-up current, fast transient response and good power efficiency. In addition, the device provides thermal protection to guard against overheating.

The MAX8630WETD20+T PMIC provides a wide range of features such as wide input voltage range (4.5V to 60V DC), adjustable output voltage range (up to 42V DC), adjustable current range (up to 5A), high-efficiency linear mode (up to 93%), wide control voltage range (0V – 3.3V), over-temperature and over-current protection and soft-start. This PMIC also provides high power factor (PF) and THD performance.

The MAX8630WETD20+T PMIC is designed to meet the requirements of various lighting applications, including automotive, medical, consumer and industrial applications. It is designed to provide the most efficient power conversion with high power factor and low THD. The device is RoHS compliant and supports a wide operating temperature range from -40°C to +85°C.

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