RT9055-SSWSC

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RT9055-SSWSC application field and working principle

RT9055-SSWSC is a fast multiple-output linear regulator in the family of Voltage Regulators – Linear. Its maximum output current is 1.5A and the operation current can reach up to as low as 0.1uA. It also offers ultra fast load transient performance and 2% accuracy output voltage. The main applications include computing, networking, and telecom power management.

Features Of RT9055-SSWSC

• Wide 4.5V- 23V Input Voltage Range
• Up to 1.5A Output Current
• 2% Accuracy Output Voltage
• Ultra Fast Transient Response
• Adjustable Output Voltage
• Low Operational and Shutdown Current

Block Diagram of RT9055-SSWSC

The following block diagram illustrates the basic internal construction of the RT9055-SSWSC:

Working Principle

The RT9055-SSWSC includes an oscillator, a driver stage, and an output stage to regulate the output voltage with fast transient response.The device utilizes a voltage-mode control loop with a current-limit, thermal-limit, and short-circuit protection functions. The output stages of each individual regulator are controlled by the current-limiting and thermal limit stages to provide protection with minimum device size.The Output stage utilizes an external N-channel MOSFET, providing instantaneous power to handle heavy-load requirements. The device has an adjustable output voltage, with an external voltage divider connected to the feedback pin to adjust the output voltage as desired.

Conclusion

The RT9055-SSWSC linear regulator is an efficient, fast and accurate device that offers stable output voltage along with multiple protection functions including current limit, thermal limit, and short-circuit protection. It is ideal for applications that require a fast response and high accuracy output voltage, such as computing, networking, and telecom power management.

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