S-1131B17UC-N4CTFU

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The S-1131B17UC-N4CTFU is a three-terminal, fixed output, low-dropout linear voltage regulator that is designed to provide linear-mode voltage regulation for products that require an extremely compact solution. This three-terminal device typically utilizes a resistor-divider network for set-point adjustment, providing lower output voltages with extremely stable operation over line and load variations.

The S-1131B17UC-N4CTFU is used in a wide variety of applications where precision voltage regulation is required. It is capable of providing up to 17 VDC with very low output voltage ripple, low noise and transient response. The device can be used in applications such as notebook computers, handheld devices, automotive and communication systems, as well as a wide range of consumer electronics.

The S-1131B17UC-N4CTFU device is a low-dropout linear voltage regulator capable of providing stable and precise voltage outputs in the range of 1.8V to 17V with an output accuracy of ±1.5%. It is capable of an output current of up to 2A and can provide thermal protection against short-circuits and overloads. The device is designed to maintain excellent line and load regulation while rejecting noise, spikes and transients. The device also has an internally regulated zero-dropout (ZDO) mode which allows the device to maintain a stable output voltage without the need of an external resistor divider.

The S-1131B17UC-N4CTFU device is also equipped with other features for improved performance and robustness. It includes a programmable soft-start feature that allows the device to start up smoothly and reduce inrush current, as well as a low-battery monitoring circuit that provides advanced warning of low battery voltage. The operating temperature range of the device is –40°C to +100°C. Other available features include output under-voltage and over-voltage protection circuits, over-temperature protection, current limit protection and over-voltage lockout protection.

The main components of the S-1131B17UC-N4CTFU are a PMOSFET, a Zener diode, an LDO (low-dropout) voltage regulator, a current-sense amplifier, an error amplifier, and a linear regulator. The PMOSFET and the Zener diode are used in the regulation loop to control the output voltage of the device. The LDO voltage regulator is used as the voltage reference of the linear regulator. The error amplifier compares the output voltage of the device to the reference voltage and adjusts the current source to the PMOSFET and the Zener diode accordingly. The current-sense amplifier amplifies the voltage drop across the current-sense resistor and is used to prevent current overloads. The linear regulator is used to control the output voltage of the device.

The S-1131B17UC-N4CTFU is an ultra-compact and efficient low-power linear voltage regulator specifically designed for use in demanding power management applications. With its low dropout voltage, excellent performance, and high reliability, the device is ideal for a wide range of applications that require robust voltage regulation in a very small form factor.

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