SP6651AER-L

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The SP6651AER-L is a high performance DC/DC switching regulator developed by Richtek. It features an integrated, high efficiency buck converter on a single chip and is designed to regulate and convert voltages input 10V to 20V (3V to 8V output).

A multi-stage pulse width modulation (PWM) circuit, coupled with the integrated error amplifier and current sensing circuitry ensures stable operation over conditions. The switching frequency is adjustable from 250kHz to 1MHz, allowing varying oscillator settings for either optimized system performance or external component size. It also includes an enable pin and adjustable voltage reference.

The SP6651AER-L is used in a range of applications such as PCs, notebooks and industrial applications demanding high efficiency and reliable power supply. It also can be used in portable and Telecom applications, where a small size and low external component count are important. Its adjustable and fixed frequency operation makes it suitable for load transients requiring hold and line conditions.

The SP6651AER-L is a DC/DC switching regulator that operates by converting an input voltage source to a regulated output voltage using the switch and diode technology. When the switch is ON, the energy is transferred from the power supply to the load through the integrated inductor and is monitored by a feedback loop and current sensing circuitry. When the switch is OFF, the amount of energy in the switch and diode is stored in the inductor and is then output to the load when the switch is turned ON again. This process is repeated in order to maintain a constant output voltage.

The SP6651AER-L offers an adjustable switching frequency which allows load transients requiring hold and line conditions while offering a low external component count. It also features an adjustable voltage reference, which can be used to adjust output voltage in applications requiring an output voltage range larger than what is provided by the integrated Switching Regulator. Additionally, the SP6651AER-L can sense output voltage, enabling it to provide accurate feedback and improved system performance.

In summary, the SP6651AER-L is a high performance DC/DC switching regulator designed for applications demanding high efficiency, reliable power supply and a small form factor. It offers adjustable and fixed frequency operations for load transients, adjustable voltage reference for an output voltage range larger than the one offered by the integrated Switching Regulator and current sensing circuitry for improved system performance.

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