LDBL20D-25R

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LDBL20D-25R is classified as a PMIC Voltage Regulator Linear device, and is a highly efficient, high reliability and miniaturized three-terminal regulator. It is specifically designed to replace the popular 78LXX series while providing adjustable output voltage over a wide range of voltage requirements.

The LDBL20D-25R is especially suitable for noise-sensitive and microcontroller-based designs that require low dropout voltage and very high output accuracy. It is also used in industrial, communication and automotive applications.

Application Field

LDBL20D-25R is widely used in automotive, industrial, communication and consumer electronic applications. It is particularly suitable for microcontroller-based designs with high current draw, low dropout and very high output accuracy. It is also suitable for applications requiring high efficiency, high power and low quiescent current.

The LDBL20D-25R can be used in automotive applications such as stereo systems and electric power steering. It can also be used in industrial equipment and communication systems, such as routers, switches, gateways and modems. Due to its low power consumption and high reliability, the LDBL20D-25R is also suitable for consumer applications such as laptop power adapters, cell phone chargers and portable audio devices.

Working Principle

The LDBL20D-25R is a three-terminal linear regulator that uses a PNP transistor to connect the output terminal to the adjustable terminal. This configuration ensures a minimum of output drop while being able to respond quickly to current fluctuations and peak load demand. The adjustable terminal is also connected to a voltage reference to maintain a constant output voltage.

The output voltage is set using a precision external resistor network which is connected to the adjustable terminal and output pins. An additional pin provides remote shutdown capability for improved power saving. The optional reverse current protection and thermal shutdown features provide extra reliability.

The LDBL20D-25R is designed to meet low power consumption, high reliability and accurate output voltage requirements. Its wide input range, low quiescent current and low dropout voltage make it an ideal choice for noise-sensitive microcontroller-based designs.

Conclusion

The LDBL20D-25R is an efficient, reliable and miniaturized three-terminal voltage regulator. It offers adjustable output voltage over a wide range of voltage requirements, low quiescent current and high output accuracy. It can be used in automotive, industrial, communication and consumer applications such as laptop power adapters and cell phone chargers. The LDBL20D-25R is also suitable for microcontroller-based designs with high current draw, low dropout and very high output accuracy.

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