LM2587T-12/NOPB

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The LM2587T-12/NOPB is an advanced voltage regulator system developed by Texas Instruments. It is a DC-to-DC switching regulator which is designed to allow easy adaptation to a variety of input and output voltages and current levels. This regulator is well-suited for use in a wide range of applications including: power supplies, communications systems, and other devices where a reliable and efficient power source is needed.

The LM2587T-12/NOPB is a highly efficient voltage regulator system which can be used for a wide range of applications. It utilizes a peak current mode control topology to provide accurate output voltage regulation, excellent line and load regulation, as well as fast transient response. It is also capable of delivering high output currents making it a suitable choice for motor control applications.

The LM2587T-12/NOPB is designed to accept an input voltage of 6V to 40V, and outputs a adjustable voltage range of 0.785V to 37V. With the maximum switching frequency of up to 1MHz, it is capable of delivering up to 8A of continuous load current, and with good efficiency, the regulator is well suited for a wide range of power management applications. The regulator features an adjustable frequency, over current and thermal protection as well as housekeeping features including under-voltage and standby modes.

The LM2587T-12/NOPB uses a feedback network to set the output voltage, and the feedback voltage is compared to a 1.25V reference in the comparator block. When the output voltage falls below the actual reference voltage the comparator will set the output voltage to the desired value and the cycle will repeat. This allows the regulator to maintain a constant output voltage regardless of changes in input voltage.

At the heart of the regulator is the control circuit, which is made up of two main components: The pulse-width modulator (PWM) and the oscillator (OSC). The PWM is responsible for turning the output switch on and off to control the output voltage, while the oscillator is responsible for generating the switching frequency. The frequency of the oscillator is adjustable from 250KHz to 1MHz, which allows the user to set the frequency of the regulator to match the application requirements.

The LM2587T-12/NOPB also offers other features such as soft start, cycle-by-cycle current limit, and overload protection to ensure safe and reliable operation. It also includes an under-voltage lockout to protect against low input voltages, as well as thermal protection to ensure the maximum temperature rating is not exceeded. Lastly, the integrated freewheeling diode reduces power dissipation and internal heating.

In conclusion, the LM2587T-12/NOPB is a highly efficient voltage regulator system which can be used for a wide range of applications. It offers excellent line and load regulation and fast transient response, and its built-in features ensure a safe and reliable operation. With its adjustable voltage range and high output current capability, the LM2587T-12/NOPB is an ideal choice for a variety of power management applications.

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