MAX8647ETE+T

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MAX8647ETE+T is a small and low power feature dual step-down switch mode power converter. It provides multiple intelligent step-down switching modes while offering excellent transient response with fast line and load transient response time. The device is designed for applications such as LED backlighting and uses low voltage input power supplies with high efficiency. It is an ideal LED driver solution for LED lighting applications.

PMIC – LED Drivers

The package of the MAX8647ETE+T is a small and thin 9-contact, 1.8mmx1.8mm WLCSP. It features two synchronous step-down regulators with a wide 4.5V to 16V input voltage range. The device includes a Pulse Width Modulation (PWM) controller and two synchronous of the MAX8647ETE+T step-down converters. It provides a wide range of programmable output currents and a current sense amplifier for monitoring current sense circuit monitoring functions. The two step-down controllers also feature over-temperature, current limit, and overvoltage protection.

MAX8647ETE+T is designed to provide a power supply solution for high-power LED lighting applications, such as LED light emitting diode (LED). The device can support up to 250mA of current output at the VOUT pin. The device’s low quiescent current, high efficiency and fast transient response increases LED light intensity and reduces LED power consumption. Moreover, the low input current of the device saves power on LED drivers and increases system efficiency.

The working principle of the MAX8647ETE+T is to convert a high input voltage from a system power supply into a lower output voltage needed to drive the LED light. The device uses a PWM voltage-controlled oscillator (VCO) which is maintained by the 2-phase operation. The clock speed of the PWM output is variable and depends on the value of the external reference voltage. When the clock speed is changed, the frequency of the pulses is changed and results in a change in the output voltage.

The MAX8647ETE+T can support high output voltage due to its design and the synchronous rectification that contributes to a low turn-on time of the switch nodes. It also offers excellent efficiency with low input current consumption, requires no external components and features a current limit protection circuit to protect from over-loading. The device provides high output current with up to 250mA at the VOUT pin and includes over-temperature and over-voltage protection for enhanced reliability.

The MAX8647ETE+T is an ideal solution for LED backlighting applications due to its excellent lightweight design, wide input voltage range, fast transient response, and high efficiency. The device can drive up to 250mA of current at the VOUT pin and its low input current saves power on LED drivers and increases system efficiency. The device is also equipped with over-temperature, current limit, and overvoltage protection for enhanced reliability.

The MAX8647ETE+T provides superior performance with its wide input voltage range, excellent transient response, and high efficiency. Its small and thin package makes it an ideal LED driver solution for LED lighting applications. Its highly reliable operation and fast line and load transient response time make it an excellent choice for any LED lighting application.

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