AP3606FNTR-G1

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The AP3606FNTR-G1 is a current-mode PWM step-down LED driver that employs the Pulse Width Modulation (PWM) technology to obtain constant Current. Developed utilizing Richtek’s CMOS technology, AP3606FNTR-G1 is able to be operated as a direct LED driver with extended power channel. This LED driver works by constantly monitoring the input and output of the circuit and then making necessary corrections to the switching frequency, comparison voltage and peak current to ensure that a constant output current is achieved.

The AP3606FNTR-G1 is comprised of a three-stage control circuitry which includes a voltage reference, a PWM controller and a power switch. The voltage reference is utilized to set the comparison output, while the PWM controller operates on the Pulse Width Modulation (PWM) principle compared the reference voltage with the feedback signal, it then drives the power switch to adjust to the correct output power according to the voltage comparison.

The AP3606FNTR-G1 is typically used in LED lighting applications such as LED-backlight designs, LED-panel lighting, and LED-spot lighting, etc. It can be driven directly by logic, reducing the use of external components. This LED driver provides advanced features such as High Brightness (HB) LED support, ramp voltage support, reverse battery protection, secondary side control, power tracking, and adjustable switching frequency. It also features architecture supporting external microcontrollers for better user experience.

The AP3606FNTR-G1 is available as a complete package solution with a controller, output MOSFET, and external components. This LED driver is extremely versatile and power efficient. It has a built-in low-dropout regulator (LDO) for regulating the VDD voltage of the controller, which means that the LED power supply can be connected directly to the controller. This makes the AP3606FNTR-G1 ideal for applications that require the highest levels of power efficiency.

In conclusion, the AP3606FNTR-G1 is an ideal solution for LED lighting applications requiring a power efficient design with advanced features. It has a variety of excellent features and can be used in a range of applications, making it a great choice for engineers looking for an efficient and reliable LED driver.

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