TL1963A-18DCQR

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TL1963A-18DCQR is a low power linear voltage regulator (PMIC) developed by Texas Instruments and commonly applied in a range of applications. It is capable of providing up to 150 mA Sink/Source current, accepts an input voltages ranging from 1.23 V to 5.5 V and an adjustable output down to 0.6 V. The device also features SQOn, LDOOn and SBOn Pins, as well as pulse-suck protection and thermal shutdown function, making it reliable and suitable for a large variety of applications.

TL1963A is a step-down DC-DC Buck Regulator that uses Pulse Width Modulation (PWM) for it’s core operation. In essence, the operation of the device is quite simple, as it blocks its own output voltage and rectifies it when the input voltage is higher than its output voltage. It then operates a FET switch that turns on and off in a high frequency manner. As the number of pulses increases, the output current also increases, allowing the output voltage to remain steady while supplying greater currents. Furthermore, a voltage feedback loop is constantly in operation to ensure that the output voltage remains at the target level.

The most typical application field for the TL1963A-18DCQR is in portable electronics, such as cell phones, portable media players and laptops. In these types of applications, the need for a low power, low cost and high efficiency voltage regulator is essential. The device has been designed to be extremely energy efficient, with its power saving design that prevents it from drawing too much current when its output is at less than 50% capacity. In addition, it provides outputs down to 0.6 V and input voltage ranges up to 5.5 V, making it ideal for powering low voltage devices. Furthermore, its high-efficiency design ensures that no excessive heat is produced, preventing any potential damage to the device.

The TL1963A-18DCQR is also a popular choice when it comes to powering LED lighting applications. The device’s low-cost, low-power, pulse-suck protection and thermal shutdown functions make it well suited for this type of application. By operating the device in a continuous burst mode, the load voltage can be precisely regulated, allowing for consistent illumination from the LED lights. Furthermore, the device has been designed to operate efficiently enough to provide up to 150 mA Sink/Source current, making it highly suitable for illuminating multiple LED units.

In conclusion, the TL1963A-18DCQR is a highly reliable, cost-effective and energy efficient linear voltage regulator developed by Texas Instruments. Its pulse width modulated operation ensures precise voltage regulation, while its output voltage range, low power, thermal shutdown protection and pulse-suck protection functions make it a suitable choice for a wide variety of applications. From powering high current LED illumination to powering portable devices, the TL1963A-18DCQR is a very reliable linear voltage regulator and a great choice for many different applications.

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