S-13R1G29-N4T1U3

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Under the category of PMIC – Voltage Regulators – Linear, the S-13R1G29-N4T1U3 is a linear voltage regulator capable of supplying current up to 4A by virtue of its full featured output voltage range. This regulator is designed to provide high output stability, with operating temperature ranges of -40°C to 85°C and a low standby current. It is use for a wide range of applications, such as automotive, industrial, test and measurement, smart home, laptop computer and mobile & wearable device.

The working principle of the voltage regulator is based on a voltage difference opposition concept between the input voltage and output voltage. A voltage regulator works by monitoring the output voltage and comparing it to the set point. It then sends an appropriate controlling signal to an external power switch connected to the input voltage, so that the output voltage matches the set point. The voltage regulator is designed to maintain a steady voltage at the output even when the input voltage fluctuates. It does this by increasing or decreasing the input voltage as the output voltage increases or decreases.

The S-13R1G29-N4T1U3 is a linear regulator based on a buck converter topology, where the input voltage is bucked down to the desired output voltage, controlled by a Pulse-Width Modulation (PWM) signal from the voltage regulator. This PWM signal is generated by a local feedback loop which detects the difference between the output voltage and reference voltage. If the output voltage is lower than the reference voltage, the PWM signal will send the signal to switch the external power switch, allowing the input voltage to flow to the output. Conversely, if the output voltage is higher than the reference voltage, the signal will shut off the external power switch, limiting the voltage flow.

The S-13R1G29-N4T1U3 has a few special features, including a window detecting and alerting if the output voltage and reference voltage are too far apart, protection against reverse and under-voltage, and short-circuit protection. The device also operates at low standby current of 3.2µA to save power and has a tightly controlled output voltage accuracy of ±1.0%.

In conclusion, the S-13R1G29-N4T1U3 is a versatile linear voltage regulator capable of supplying currents up to 4A with its full-featured output voltage range. It is used in a variety of applications requiring high output stability and low standby current, and its features include window detection, reverse/under-voltage protection and short-circuit protection. The voltage regulator is based on a linear topology, using a feedback loop to monitor the output voltage and adjust the external power switch accordingly.

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