S-13R1C35-A4T2U3

The S-13R1C35-A4T2U3 is a linear voltage regulator from STMicroelectronics capable of providing stable and low-noise power for low-voltage electrical systems. This series of device is a good choice for applications demanding low output voltage that requires temperature stability, excellent efficiency and low output ripple over extended line, load and temperature conditions. It offers an adjustable output from 1.05V to 13V and its internal circuit ensures stability and accuracy of voltage by providing a constant output voltage tolerance over the line, load and temperature ranges.

Application field

The S-13R1C35-A4T2U3 is used in the fields of embedded systems, portable medical devices, IoT devices, multimedia applications, connected home applications, automotive applications, industrial and security systems. As a result of its features, the device is suitable for powering systems whose components need a low voltage, with high output current capability.

Working principle

The S-13R1C35-A4T2U3 utilizes a voltage divider circuit to regulate its output voltage. It senses an input voltage and controls the output current accordingly. An internal error amplifier maintains the output voltage at a constant level according to the reference voltage programmed in the device. This unique feature ensures voltage stability over line and temperature variations, making it suitable for applications that demand stable power supply.

The device features low output ripple, improved load regulation and over-temperature protection. The current-mode control ensures fast transient response, allowing the device to meet stringent noise and surge requirements. Its power-up and power-down ramps are programmable to reduce the components\' stress considerably.

The device is equipped with a low power-disable pin for power-saving operations, and a reset pin for remote monitoring applications. It also includes short circuit and over-temperature protection. In case of any over-temperature, input or output condition that might cause damage, the devices automatically shut off and restart its operations when the fault condition is removed.

Advantages

The device offers a wide input voltage range from 3V to 18V, allowing it to be used in systems with different input conditions. It also features high output current capability, up to 5A in continuous operation, making it a suitable choice in systems that require high current demand. Furthermore, its excellent load regulation ensures output voltage accuracy over the line and load variations.

The device provides a high level of efficiency, with over 97% efficiency at light loads. It also features excellent line- and load-regulation, making it suitable for high-precision and demanding applications.

Conclusion

The S-13R1C35-A4T2U3 is a linear voltage regulator from STMicroelectronics that offers power and accuracy for embedded systems and other low-voltage electrical systems. It is capable of providing low noise, a wide voltage range, excellent output accuracy and stability, improved load regulation, and high efficiency. Additionally, it offers over-temperature and short circuit protection, making the device a reliable choice for powering different electrical systems.