LM2586S-12/NOPB

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LM2586S-12/NOPB, a DC to DC switching regulator, is a powerful active voltage regulator module. It regulates an input voltage range of 3.5V to 40V and provides a fixed output voltage of 12V with a maximum current of 500mA. This device has excellent energy efficiency and can effectively reduce the voltage losses associated with linear current conversion. The LM2586S-12/NOPB integrates the necessary components for the switching converter, including an inductor and capacitors, into a single package.

The LM2586S-12/NOPB is a step-down DC-DC converter based on a switch-mode topology. The output voltage is regulated through an internal switching action which allows the load to be supplied with different output power levels while keeping the input voltage fixed. This was made possible because the device has an active low-side switching element, usually a MOSFET, to transfer the input voltage to the output. The LM2586S-12/NOPB also contains an internal error amplifier to ensure stability and accuracy of the output voltage.

The key features of the LM2586S-12/NOPB include high output voltage accuracy, low dropout voltage, wide input voltage range, low-quiescent current, soft-start, overload protection, and thermal shutdown capability. The device also boasts fast regulation loop response and good line transients for difficult load conditions. The LM2586S-12/NOPB is ideal for battery-powered applications that require a fast and reliable solution for regulating the output voltage. Its wide input voltage range and low dropout voltage make it ideal for charging batteries and other portable devices.

The LM2586S-12/NOPB can operate in either step-down or step-up mode depending on the input voltage. In step-down mode, the MOSFET on the low-side is switched to provide a current path from the input to the output capacitor. The output voltage is regulated by a low-side current-limiting gate drive, which limits the current to the load when a short-circuit condition is detected. In step-up mode, the MOSFET is switched on the high-side to provide the output voltage. The current to the load is limited by a high-side current-limiting gate drive to prevent overloading the device when a short-circuit is detected.

The LM2586S-12/NOPB is also equipped with a power supply rejector circuit to reduce input voltage ripple. This circuit uses an internal switched capacitor network to reject the input voltage noise, thus improving the power supply rejection ratio and protecting the regulator from transient voltage changes. The device also has a temperature-compensated transient response to ensure stability over input voltage and temperature variations.

The LM2586S-12/NOPB is an excellent choice for a wide range of applications that require powerful voltage regulation, such as LED lighting, LED displays, audio amplifiers, motor control, robotics, and power supplies. It is also ideal for automotive, industrial and medical applications due to its low dropout voltage and wide input voltage range.

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