S-1172B40-E6T1G

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Linear voltage regulators provide a clean, constant voltage output with varied input voltage. They are available in a wide variety of different configurations, in both discrete and integrated varieties. One example is the S-1172B40-E6T1G linear voltage regulator, which is a high voltage linear regulator featuring maximum input voltage of 36V, adjustable output voltage range between 1.5V and 30V, current up to 3A, and high temperature range of -55 °C to 150 °C.

The S-1172B40-E6T1G is designed for use in high voltage conversion and lighting applications, as well as industrial power supplies, switch-mode power supplies, transport and datacom equipment, and telecom applications. The programmable output voltage makes the S-1172B40-E6T1G ideal for applications that require a variable output voltage setting. It is also able to deliver fast transient response and low output voltage line regulation. The device also includes a current limit to protect against accidental shorts or overloads, as well as thermal shutdown to protect the IC in case of over-temperature conditions.

The S-1172B40-E6T1G operates in fixed or adjustable outputs and includes internal current limiting and thermal shutdown to protect against overloads. The internal voltage reference allows precise settings of the output voltage with a single resistor or two resistors in a voltage divider configuration. It also includes proprietary EMI post processing technology to reduce system level EMI. Additionally, the S-1172B40-E6T1G is characterized for a temperature range of -55 °C to 150 °C and a maximum junction temperature of 150°C.

The working principle of the S-1172B40-E6T1G linear voltage regulator is based on feedback control. The input current is regulated by sensing the output voltage with a feedback network and generating an error signal, which is compared to a reference. When the output reaches the reference voltage, the error signal is zero and the output voltage remains stable and constant. The regulator then adjusts the output voltage by controlling the gain of the power amplifier, which is connected to the control terminals of the regulator. This allows the regulator to control the output voltage while keeping the input current constant.

The S-1172B40-E6T1G is an ideal solution for high voltage conversion and lighting applications, and for other applications requiring a fast transient response and low output voltage line regulation. With its low output voltage line regulation and improved EMI performance, the S-1172B40-E6T1G can help reduce system level EMI and improve the efficiency and reliability of a wide variety of systems.

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