S-1135C11-A6T1U Integrated Circuits (ICs)

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Introduction

The S-1135C11-A6T1U device is a single-channel high-side linear voltage regulator from Shindengen which is designed for use in a wide range of applications. With a maximum output voltage of 1.8V and a quiescent current of 0.1 μA, this device provides an optimal solution for a wide range of applications. The device incorporates a low on-resistance MOSFET for high-side switching, ensuring a load current of up to 1A and improved power efficiency.

Application Field

The S-1135C11-A6T1U device is a versatile linear voltage regulator suitable for a variety of projects, such applications include microcontrollers, small motors, LED lighting, and other system power solutions. With a high-side voltage switching capability, it is used to regulate output voltage. For example, it can be used as a low-dropout regulator to provide somewhere between 1.2 V to 1.8 V. It is also used to multiplex voltage output when a set of devices needs to be connected to multiple supplies. It is also commonly used in battery chargers, motor drivers, 3-D printers, low-frequency RFID readers, and smart meters.

Working Principle

The S-1135C11-A6T1U device has a linear regulator that uses an internal P-Channel MOSFET for high-side switching. It operates when an enable signal is sent to the EN Pin and the voltage at VIN is higher than VDD. The output voltage is regulated using a bandgap reference operated by a digitally-controlled variable resistor, or potentiometer. The potentiometer adjusts the internal voltage by changing the resistance between the two terminals.

The device also includes several protection features. These include over-temperature protection and brown-out protection, which prevents the regulator output voltage from falling below a certain level. It also includes a reverse protection circuit to ensure that no reverse current flows to the power source when the device is in disabled mode.

Conclusion

The S-1135C11-A6T1U device is a versatile single-channel high-side linear voltage regulator from Shindengen which can provide an optimal solution for a wide range of applications. It incorporates a low on-resistance MOSFET for high-side switching, providing up to 1A of load current and improved power efficiency. It is suitable for microcontroller, small motor, LED lighting, and other system power solutions, as well as for use in battery chargers, motor drivers, 3-D printers, low-frequency RFID readers, and smart meters. The device also includes protection features such as over-temperature and brown-out protection, as well as reverse current protection. By offering these features, the device provides an efficient and reliable solution for any project.

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