LP3990TLX-1.35/NOPB

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The LP3990TLX-1.35/NOPB is a three terminal adjustable positive voltage regulator capable of supplying up to 1.5A of load current. It can be easily adjustable from 1.2V to 5.0V by simply replacing two external resistors. The device is designed to provide high current output with Transistor-Transistor Logic (TTL) compatible inputs, including noise filtering and EMI protection. It can be used in a wide range of applications, including computers, cell phones, audio amplifiers, and other battery-operated devices.

The LP3990TLX-1.35/NOPB voltage regulator is equipped with a wide range of features, including on/off control, current limiting protection, thermal overload protection, EMI/RFI protection and soft-start. It provides precise output voltage control with a minimum output voltage ripple of 5 mV after adjustment. This ensures that the device can reliably regulate the output voltage. In addition, the LP3990TLX-1.35/NOPB has a wide input voltage range of 4V to 40V, and an on/off control pin for driving external control circuitry.

The LP3990TLX-1.35/NOPB regulator features a wide array of packaging options, including TO-220, TO-252, and TO-263 packages. This makes it possible to mount the device directly onto a printed circuit board. The device has a wide operating temperature range of -40°C to +125°C and requires minimal external components for operation. It is also RoHS compliant and lead-free.

The working principle of the LP3990TLX-1.35/NOPB regulator is based on a switched-mode design. It utilizes an internal linear regulator integrated with an adjustable voltage reference and a voltage feedback loop to maintain a stable output voltage. The feedback loop monitors the actual output voltage and then adjusts the system for operation within the specified range. The internal comparator compares the set output voltage with the actual output voltage and then adjusts the power-down control pin accordingly.

The LP3990TLX-1.35/NOPB regulator is well-suited for a wide range of applications, including automotive, consumer, industrial, and medical applications. In automotive applications, it can be used to supply a constant voltage power supply to various components, allowing them to operate efficiently. In consumer applications, it is often used to regulate the voltage in laptop computers, cell phones, and other battery-operated devices. In industrial and medical applications, it is typically used to regulate the voltage of various electronic components, allowing them to operate efficiently.

The LP3990TLX-1.35/NOPB is an ideal choice as a voltage regulator for applications requiring high current output with low noise. Its high performance, low quiescent current, high accuracy, and wide input voltage range make it an ideal choice for many types of system design. It is also RoHS compliant and lead-free, making it an environmentally friendly alternative.

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