LM2647LQX/NOPB

The LM2647LQX/NOPB is a PWM-based, DC/DC Step-Up converter. It provides a simple solution to aid in efficient conversion of a single input voltage to generate a higher output voltage. It is an integrated solution consisting of a voltage reference, an oscillator, PWM generator and logic, MOSFET drivers, an internal MOSFET, leading-edge modulation for high efficiency, and a low-dropout current regulator. This device offers a wide range of features like ultra-low start-up current, adjustable current limit, OCP, OVP and thermal shutdown. It is easy to use and requires minimal external components, making it ideal for many power supply applications including handheld devices, track bed clocks, and low-power radios.

Application field of LM2647LQX/NOPB

The LM2647LQX/NOPB has a wide variety of applications in hand-held devices, track bed clocks, and low-power radio devices. It has a low threshold voltage of 0.7V, wide range of operating voltage, adjustable output voltage, high frequency operation up to 1MHz, and low-noise, low-ripple efficiency. Apart from these features, this device also features excellent thermal protection, reverse-recovery protection, leading-edge modulation for high efficiency, pulse-skipping for break-even, and adjustable current limiter for improved efficiency.

Working Principle of LM2647LQX/NOPB

The LM2647LQX/NOPB is based on a constant frequency, current-mode control architecture. It works by allowing current to flow from the input voltage source to the internal MOSFET, which operates as a switch. This switch is then turned on or off, depending on the input voltages and the control circuit. As the switch is turned on or off, the charge stored in an inductor is increased or decreased accordingly, creating a desired output voltage. The device features an adjustable current limit, leading-edge modulation, and pulse skipping to efficiently convert the input voltage to a desired output.

Benefits of LM2647LQX/NOPB

The LM2647LQX/NOPB provides a variety of features and benefits, including excellent performance, low power consumption, wide input voltage range, low threshold voltage, excellent thermal protection, and adjustable current limit. It is also easy to use, as it requires minimal external components to operate. This device is ideal for many power supply applications, as it allows for efficient conversion of a single input voltage to generate a desired output voltage.

Conclusion

The LM2647LQX/NOPB is a DC/DC Step-Up converter designed for simple, efficient conversion of a single input voltage to generate a higher output voltage. It is an integrated solution that provides a wide range of features, making it suitable for many power supply applications, including hand-held devices, track bed clocks, and low-power radio devices. The device is easy to use and requires minimal external components, making it ideal for applications where space is limited. With its excellent performance, low power consumption, wide input voltage range, and adjustable current limit, this device provides a reliable and cost-effective solution for a variety of power supply applications.