PMIC - Voltage Regulators - Linear

The RT9058-33GV is an advanced voltage regulator that provides linear voltage regulation for a number of different applications. It is designed to regulate 5.5 V up to 36 V inputs and delivers up to 33 A of output current. The regulator is designed to operate over a broad range of temperature, supply voltage, and load conditions, making it an ideal choice for many applications. It is also designed to be highly efficient, with losses of less than 1% under typical operating conditions.

Overview

The RT9058-33GV is a linear voltage regulator designed to operate in a wide range of supply voltages and load conditions. The device is designed to regulate 5.5 V up to 36 V inputs and deliver up to 33 A of output current. It is also designed to be highly efficient, with losses of less than 1% under typical operating conditions.

Features

• Wide input and output voltage range of 5.5 V - 36 V
• 33 A of output current
• High efficiency - less than 1% under typical operating conditions
• Excellent transient response
• Over-temperature and over-current safety protections

Applications

• Power supplies
• Motors
• Industrial control devices
• Battery charging and backup systems
• Telecommunications systems

Working Principle

The RT9058-33GV is a linear voltage regulator that works by controlling the flow of current in order to maintain a constant voltage. The voltage is regulated by adjusting the resistance of a pass transistor, which is connected in series with the output line. When the output voltage rises, the resistance of the pass transistor is increased, reducing the current flow, thus maintaining the desired output voltage. The input voltage is fed into the regulator and is compared with the voltage set-point, known as the reference voltage, which is typically generated by the regulator itself. The comparison is performed by a difference amplifier, which drives the output transistor. If the output voltage is lower than the reference, the pass transistor is opened to let more current flow, thus raising the voltage. Conversely, if the output voltage is above the reference, the pass transistor is closed, reducing the current flow, thus lowering the voltage.

The RT9058-33GV is also equipped with several safety and protection mechanisms. It includes over-current and over-temperature protection, as well as current limiting and over-voltage protection. These safety features provide an added layer of protection for the device and the system in which it is used, ensuring reliable operation at all times.