LD29300D2M25

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• LD29300D2M25 Voltage Regulator

  The LD29300D2M25 is a three terminal adjustable positive voltage regulator. It provides up to 3A of regulated output current. The output voltage range is adjustable between 1.35V and 36V via an external resistor divider network. This regulator is part of a family of linear voltage regulators that operate over a range of input voltages from 2V to 36V. It is intended for use as a step-down voltage regulator in power supply applications.

  Its features include current limiting, thermal shutdown, and overvoltage protection, ensuring safe operation over a wide range of operating conditions.

  Applications

  LD29300D2M25 is an ideal choice for various electronic systems and applications, such as automotive electronics, industrial control systems, telecom systems, battery management systems, and embedded systems, just to name a few. It can be used to regulate the output voltage from a variety of power supply sources, such as solar panels and energy storage systems.

  Working Principle

  The LD29300D2M25 is a linear regulator that uses a feedback loop to regulate its output voltage. The regulator outputs a voltage that is proportional to the reference voltage, which is set by the external resistor divider network. The feedback loop is composed of an error amplifier, an error comparator, and the output transistor of the voltage regulator. The error amplifier compares the output voltage of the regulator with the reference voltage and adjusts the output voltage accordingly. The error comparator compares the output and reference voltages, and if the output voltage is outside the range set by the feedback loop, the comparator will trigger the output transistor to cut off the power supply.

  The LD29300D2M25 voltage regulator also contains an overvoltage protection circuit that is triggered when the output voltage exceeds the set value. When this circuit is triggered, the output voltage is immediately reduced to a safe level. The regulator also has current limiting, so that it will not draw more than the specified maximum current, and thermal shutdown, which will shut off the regulator if the temperature of the IC exceeds a certain limit.

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