LM350T/NOPB

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LM350T/NOPB Application Field And Working Principle

The LM350T/NOPB is a voltage regulator designed specifically for electrical products, especially those that require high accuracy, high operating temperature, enhanced thermal performance and small size. It is a 3-terminal positive adjustable voltage regulator designed to provide an output voltage between 1.2V and 37V, with a maximum output current of 3A. This regulator is able to provide excellent line and load regulation over a wide input voltage range, and has a variety of features such as low ripple, low drift, wide temperature range and low quiescent current.

The LM350T/NOPB is a three terminal device that includes an internal current limiting circuitry, thermal protection and excellent temperature stability characteristics. The adjustable output voltage is set by a single external resistor, making it ideal for applications where it is necessary to maximize accuracy and performance. The device also includes an external on/off control pin, making it very easy to turn off the regulator in order to save power when it is not in use.

Application Fields

The LM350T/NOPB voltage regulator is designed for a wide range of applications, either for single or multi-cell output supplies. It is especially suitable for products where high accuracy, improved thermal performance and maximum power efficiency are required. Examples of applications where this regulator can be used are: motor control applications, power conditioners, AC/DC converters, hand-held electronic devices, instrumentation, computer peripherals, heath-care systems, telecommunication systems, automotive and aerospace systems.

The LM350T/NOPB can also be used for other applications such as battery-operated systems, adjustable DC/DC controlled power supplies, low dropout (LDO) regulators, linear voltage regulators and voltage translation circuitry.

Working Principle

The LM350T/NOPB regulator works by controlling the gate of a pass transistor. An internal reference voltage is applied to the feedback pin, and the output voltage is adjusted according to the voltage difference between the feedback and output pins. When the voltage difference is greater than the reference voltage, the pass transistor is opened, which allows current to flow and the output voltage is increased. Conversely, when a voltage difference is lower than the reference voltage, the pass transistor is turned off and current is restricted, causing the output voltage to decrease.

The LM350T/NOPB has several features to ensure maximum power efficiency and optimal performance, such as internal current limiting, thermal protection and excellent temperature stability characteristics. It is also very efficient at regulating its output voltage, and has a very low dropout, which means that it can provide an accurate output voltage even when input voltages are close to the output. Additionally, the device also features an external on/off control pin for switching the device on or off when needed.

Conclusion

The LM350T/NOPB is a 3-terminal adjustable voltage regulator designed specifically for providing an accurate, high operating temperature and small size to power electrical products. It also includes features such as low ripple, low drift, wide temperature range and low quiescent current. It is suitable for a variety of applications, such as motor control, power conditioning, AC/DC converters, portable electronics and instrumentation, and is able to provide excellent line and load regulation over a wide input voltage range.

The LM350T/NOPB works by controlling the gate of a pass transistor, using an internal reference voltage applied to the feedback pin. It has several features to ensure maximum power efficiency and optimal performance, such as internal current limiting, thermal protection and a very low dropout. Additionally, the device also features an external on/off control pin for switching the device on or off when needed. All these features make the LM350T/NOPB a reliable and highly accurate voltage regulator.

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