LM2671LD-3.3/NOPB

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The LM2671LD-3.3/NOPB is a low-cost positive voltage regulator with a wide range of application fields. It is commonly used in portable electronic devices and contains a 3-terminal integrated circuit (IC) that provides voltage regulation and voltage reference. It is a highly efficient PMIC (power management integrated circuit) with advanced features such as low noise and wide input voltage range. The LM2671LD-3.3/NOPB is a member of the voltage regulators DC DC switching regulator family, and it offers a compact, reliable, and versatile solution for providing regulated output voltage for many different types of power supply designs.

The LM2671LD-3.3/NOPB operates over a wide input voltage range of 2.6V to 16V and is capable of supplying up to 1A of output current with a maximum output voltage of 3.3V. It is designed to be an easy-to-use, versatile, and cost-effective voltage regulator solution for applications requiring low noise, low dropout, and high efficiency. The LM2671LD-3.3/NOPB is available in either a SOT-223 or TO-220 package, making it suitable for a variety of applications such as mobile phones, personal digital assistants (PDAs), MP3 players, digital cameras, and any other portable electronic equipment that requires regulated voltage.

The LM2671LD-3.3/NOPB has a wide range of applications, including providing power for microprocessors, gate drivers, FETs, and voltage references. The device also includes an auto-skip functionality that reduces the load current when output load is low, leading to increased efficiency and reduced power consumption.

The working principle of the LM2671LD-3.3/NOPB is based on the connection of two internal pass transistors to an N-channel MOSFET. By making use of an external currentsense resistor, the current flowing through the two pass transistors is continuously monitored. The device operates in either a constant-current or constant-voltage mode, depending on the load type. If the average current is greater than a certain limit, the device will switch to constant-current mode and regulate the output voltage to a constant value regardless of the load. On the other hand, if the load is constant and linear, the device will switch to constant-voltage mode and will regulate the output voltage to a fixed level. The device is capable of providing a regulated voltage over a range of load currents, and the design is capable of taking into account thermal and electrical losses when determining the correct output voltage.

The LM2671LD-3.3/NOPB is an easily integrated voltage regulator with a wide input voltage range and low noise performance. It is a cost-effective switching solution for applications requiring reliable output voltage over a range of load conditions, without having to invest in a larger and more expensive linear voltage regulator. The device has a low quiescent current of 200uA when operating in constant-voltage mode and is highly efficient when operating in either mode. The LM2671LD-3.3/NOPB is available in either a SOT-223 or TO-220 package, making it suitable for a variety of power supply designs and applications.

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