LP8340CDT-3.3/NOPB

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Power Management Integrated Circuits (PMICs) are devices whose purpose is to supply power to different components and parts. They are used in a wide range of electronic systems and they can be classified by their type of voltage regulator, either linear (also called output voltage regulators) or switching (also called switching regulators). The LP8340CDT-3.3/NOPB is an example of a linear voltage regulator, used mainly for the management of power in consumer electronics. The following article will explain its application field, working principle and features.

Application Field and Working Principle

The LP8340CDT-3.3/NOPB is an ultra-low-power low-dropout (LDO) linear voltage regulator designed for use in portable applications where both size and quiescent current are of paramount importance. It can provide an output voltage for use in such applications as power management for LCD backlighting, general ASIC supplies, digital supplies, and other consumer electronics.

The LP8340CDT-3.3/NOPB includes the necessary protection and bias circuitry and operates with supply voltages of up to 5.5V. Its dropout voltage is typically 0.2V, allowing it to output a steady 3.3V with a supply voltage as low as 3.5V. This makes it suitable for portable systems with battery voltages below the nominal voltage. The device is also capable of providing output currents of up to 300mA, making it suitable for high-current applications such as LCD backlighting.

The device is capable of regulating its output voltage over a wide temperature range with low noise and low ripple. The output can be set to any voltage between 1.25V and 5.5V, with a minimum output voltage of 1.2V and a maximum voltage of 5.5V. The LP8340CDT-3.3/NOPB also includes adjustable turn-on and turn-off times, allowing it to be optimized for different applications.

The LP8340CDT-3.3/NOPB is also highly efficient, with a typical efficiency of 85%. This makes it suitable for use in applications where power consumption must be kept to a minimum, such as in mobile and portable devices. The device is also short-circuit protected, and it has built-in thermal shutdown, overcurrent protection and current limit. These features make it very reliable in operation.

The LP8340CDT-3.3/NOPB is available in a small 5-pin SOT-223 package and is designed to operate over the −40°C to +85°C temperature range. The device is rated for a maximum junction temperature of 125°C to ensure its long-term reliability. It is also RoHS-compliant and is lead-free, making it suitable for use in a wide range of applications.

Features

The following is a list of features and specifications of the LP8340CDT-3.3/NOPB.

• Ultra-low dropout voltage: 0.2V typical
• Max. Output Current: 300mA
• Max. supply voltage: 5.5V
• Input Voltages: 2V to 5.5V
• Efficiency: 85% typical
• Output voltage range: 1.2V to 5.5V
• Package: 5-pin SOT-223
• Temperature range: −40°C to +85°C
• Lead-free, RoHS-compliant

The LP8340CDT-3.3/NOPB is an ideal choice for a wide range of power management and voltage regulation applications. Its low dropout voltage, combined with its high output current, makes it suitable for a variety of consumer electronics applications.

With its adjustable turn-on and turn-off times and built-in protection features, the LP8340CDT-3.3/NOPB is highly reliable and efficient and is perfect for a wide range of power management and voltage regulation applications. The device is also lead-free, RoHS-compliant and packaged in a small 5-pin SOT-223 package, making it ideal for use in space-constrained designs.

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