S-1135B19-A6T1U

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PMIC - Voltage Regulators - Linear

The S-1135B19-A6T1U is a monolithic integrated circuit voltage regulator and is classified as a voltage regulator, specifically a linear voltage regulator. It is designed to provide regulated output voltages (1.5V to 10V) and has an enable/disable control pin for Standby mode to enable minimum power consumption. The S-1135B19-A6T1U is manufactured by the ROHM Semiconductor Corporation and is part of the S-1135B (Low VFA Voltage Regulator Family) series.

The S-1135B19-A6T1U is designed to provide good transient response with a fast response time and also has temperature protection and over-current protection functions built-in. The device provides a variety of additional features including adjustable voltage accuracy and low output noise level. The device also provides a low dropout voltage of 0.8V at 1A and has a low quiescent current of 4.8uA. Its ESD capability is rated at 2kV.

Application Fields

The S-1135B19-A6T1U can be used in a variety of applications. It is often used in regulated power supplies, automotive electronic systems, power amplifiers, digital circuits, and connector designs. Additionally, it can be used for applications where low noise and a small footprint are desired. For example, it has been used in automotive displays, DVD players, and DVD recorders.

Working Principle

The S-1135B19-A6T1U utilizes a linear voltage regulator topology to regulate voltage. The device has a built-in reference voltage, an error amplifier, and an output transistor. The reference voltage is compared with an external voltage, and the error amplifier amplifies the difference and activates the output transistors to adjust the voltage output until it is equal to the reference voltage.

The S-1135B19-A6T1U also employs a double ground structure in order to reduce output noise. This effect is accomplished by the device\'s power ground and analog ground pins. This feature helps reduce noise and improves the S-1135B19-A6T1U\'s overall performance.

The S-1135B19-A6T1U has a few other features that make it well-suited for linear voltage regulation. It has a wide operating temperature range of -40°C to 120°C, making it suitable for a variety of environmental conditions. It has an enable/disable control pin for Standby mode, allowing it to reduce the quiescent current down to 4.8uA in this mode. Additionally, the device has over current and temperature protection functions built into it.

In summary, the S-1135B19-A6T1U is a linear voltage regulator manufactured by ROHM Semiconductor Corporation. It is designed to provide regulated output voltages ranging from 1.5V to 10V with good transient response and fast response time. The device has additional features such as adjustable voltage accuracy, low output noise, low dropout voltage, low quiescent current, and temperature and overcurrent protection functions. The S-1135B19-A6T1U is well suited for a variety of applications, including regulated power supplies, automotive electronic systems, power amplifiers, digital circuits, and connector designs.

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