S-1167A33-M5T1U Integrated Circuits (ICs)

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The S-1167A33-M5T1U linear voltage regulator is a power management integrated circuit (PMIC) typically used when a stable voltage supply is required. This regulator is ideal for applications where performance, size, and flexibility are paramount. It is capable of providing regulated output voltages of up to 5.5V with 100mA of current capability.

Features

The S-1167A33-M5T1U comes with a variety of features that make it suitable for a wide range of applications. Its internal circuitry is designed to ensure stable regulation, even in the presence of high line/load transients. Low quiescent current draw and excellent power supply rejection further ensure better efficiency against input voltage noise. Its low EMI profile helps reduce noise generated from external sources. In addition, this regulator supports a wide input voltage range from 4.5V to 14V.

Applications

The S-1167A33-M5T1U can be used in telecom systems, digital devices, industrial equipment, wireless and data communications products, as well as consumer electronics. It is also well-suited for automotive applications such as airbag system and onboard diagnostics. Additionally, it can be found in applications where programmable power supply and adjustable load sharing is desired.

Working Principle

The S-1167A33-M5T1U is a three-terminal, positive-voltage, linear regulator that is capable of providing stable output voltages up to 5.5V. This regulator uses an advanced topology and input/output power regulation techniques to ensure a precisely regulated output voltage. A key aspect of the S-1167A33-M5T1U linear voltage regulator is its on-chip voltage reference, which ensures a stable output voltage in the presence of other load or line transients. The built-in output voltage setting is adjustable by an external resistor divider, allowing for a wide selection of bias points. Other features include current and thermal overload protection, input/output overvoltage protection, and power good output. A major benefit of using the S-1167A33-M5T1U is its low current consumption. Quiescent current draw is a mere 10µA, making it ideal for battery-powered applications. This regulator also has high power supply rejection (PSR) and excellent noise immunity, enabling a clean and stable output voltage even when exposed to input/output noise and transients. Its advanced topology also helps minimize unnecessary switchings from the input voltage to the output voltage, further reducing ripple and noise.

Conclusion

The S-1167A33-M5T1U linear voltage regulator is a highly versatile PMIC that can be easily tailored to the needs of a wide range of applications. Its low current consumption, high PSR, and excellent noise immunity make it an ideal solution for many designs. Additionally, its adjustable output voltage setting and protection features provide added flexibility and safety.

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