LM2931CDR2

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Linear Voltage Regulators are the basic building blocks of any power management circuit. The LM2931CDR2 is a low dropout (LDO) Linear Voltage Regulator from Texas Instruments, with an operating current of 500 mA, and a regulated output voltage range of 1.235V to 5V.

The LM2931CDR2 is a three-terminal, adjustable voltage regulator and features an input voltage range of 6V to 35V. It has an adjustable output voltage and a low dropout voltage of only 240 mV at full load. The LM2931CDR2 also has a thermal shutdown feature to prevent overheating and destruction of the Regulator.

This Voltage Regulator is ideal for use in applications such as medical and industrial instrumentation, optical storage systems, automotive devices and portable equipment. The LM2931CDR2 is available in a hermetic TO-263 package and can operate over a wide temperature range of up to -40°C to +125°C.

The LM2931CDR2 is designed to work with a low minimum input voltage and low ripple output voltage. It has a fast transient response and can control the output voltage with very good accuracy. The output can be adjusted from 1.235V to 5V.

The LM2931CDR2 uses an on-chip switch as the main driving element. This switch is controlled by an external resistor divider network, which provides the required output voltage. The LM2931CDR2 also has a current limit circuit which protects the device from over-current and short circuit conditions.

The LM2931CDR2 has several features to ensure excellent regulation including: an output voltage adjust pin, current limit protection, over-voltage protection, over-temperature shutdown and thermal Foldback protection. The LM2931CDR2 also has a thermal foldback feature which reduces the output current when the die temperature rises above a certain set-point.

Additionally, the LM2931CDR2 offers excellent line/load transient response and low noise/ripple output. The LM2931CDR2 is designed with excellent noise immunity, and is designed to meet the requirements of various international test regulations, including the IEC60601-2-27 standard.

The LM2931CDR2 comes in the popular TO-263 (SOT-23) package, which is an ideal choice for applications requiring a compact form factor, and for those applications where space is at a premium. The chip is available in a variety of packages, including a version that is reflow solderable. The LM2931CDR2 can also be over-molded to provide additional protection against environmental hazards.

In summary, the LM2931CDR2 is an excellent linear voltage regulator that provides excellent performance, high accuracy and reliability in a variety of applications. It has a wide input voltage range and can handle up to 500 mA at the output. It features a low dropout voltage, fast transient response, current limit protection and thermal foldback protection. The LM2931CDR2 also has excellent noise immunity and meets the requirements of a variety of international test regulations.

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