PLB4LB-048

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PLB4LB-048 is an advanced component for various types of electrical application fields. It is a DC-DC converter with a wide output voltage range for stand-alone or distributed power system applications. This component is designed to provide a regulated output with corresponding efficiency up to 94.5%.

The PLB4LB-048 is designed to supply an output voltage from 5 to 48 Volts with a maximum load current of up to 20 amps for most applications. The output voltage of this component can be adjusted through an external resistor divider network. When placed in an operating environment, this component provides regulated voltage with low output noise and line transient protection.

The PLB4LB-048 is equipped with a main power stage consisting of two N-channel MOSFETs, an input filter capacitor, and two switch mode power stages that form the regulation circuitry. The auxiliary power stage, which is the power input, is connected to the input filter capacitor. This filter capacitor, along with two N-channel MOSFETs, provides line transient protection.

The primary component of the PLB4LB-048 is its voltage control loop. The voltage control loop consists of an error amplifier, an adjustable comparator, a compensated bandgap reference, and switch control logic. The error amplifier is responsible for sensing the output voltage of the converter and providing feedback to the adjustable comparator. The adjustable comparator compares the reference voltage from the bandgap reference to the feedback signal from the error amplifier and adjusts the duty cycle of the switches.

The PLB4LB-048 also contains several safety mechanisms, such as over-voltage protection and over-current protection. The over-voltage protection prevents the output voltage from rising beyond the specified safety limit, while the over-current protection will shut off the converter in case the current exceeds the specified limit. The component also features a temperature protection circuitry that monitors the temperature of the switch control logic and shuts off the circuitry when the temperature threshold is exceeded.

The PLB4LB-048 is an ideal component for various electrical application fields that require efficient, reliable power supply. It is designed to provide a regulated output voltage with an efficient power conversion up to 94.5%. Its many safety mechanisms ensure the component is safe to use and has improved protection against line transient and extreme temperature conditions. Furthermore, the adjustable voltage control logic helps maintain a consistent output voltage for the system in a wide range of operating conditions.

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