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LM3526M-L/NOPB

The LM3526M-L/NOPB is a monolithic power control IC specifically designed for controlling the power of multiple loads. It is classified as a PMIC (Power Management Integrated Circuit) or a power distribution switch, load drivers. The device uses multiple MOS devices to control the current flow in each of the four outputs and can supply up to 2A of continuous current.

Application Fields and Working Principles

The LM3526M-L/NOPB is primarily used in automotive, industrial and consumer electronics applications. The device is capable of driving and controlling motors, LED strings, lamps and power supplies. It can also be used for lighting systems and audio equipment. In these applications, the device functions as a power switch, allowing for completely independent control of each of the four outputs.

The LM3526M-L/NOPB is controlled by two signals; an enable/disable signal and a duty cycle signal. The enable/disable signal is responsible for powering up/shutting down the entire device, and the duty cycle signal is responsible for controlling the duty cycle of each output. The duty cycle can be programmed with a range of up to 100%.

The LM3526M-L/NOPB is a current-mode device, meaning that the output current is controlled in response to the duty cycle. This allows the device to be used as a constant current source, and also allows for flexibly controlling the amount of current drawn from each output.

The device also features thermal protection and over-current protection, which helps to safeguard the device and the system against unexpected over-current events. The LM3526M-L/NOPB also features a programmable aperiodic soft-start, allowing for a gradual start-up of the device\'s outputs. This helps to reduce inrush current and prevents high current spikes during device start-up.

The LM3526M-L/NOPB is a cost-effective solution for controlling multiple loads, and is an ideal device for meeting the requirements of automotive, industrial and consumer electronics applications.

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