S-1333B23-A4T2U3

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The S-1333B23-A4T2U3 is an adjustable linear voltage regulator (PMIC - Voltage Regulators - Linear). It is designed to provide a regulated output voltage that is adjustable over a wide range of input voltages, from +2.85V to +36V. It is a three-terminal device with adjustable current limiting, over-temperature protection, and reverse leakage current protection features. The S-1333B23-A4T2U3 provides an output voltage precisely regulated to within 1% of the preset value at room temperature.

The S-1333B23-A4T2U3 is generally used in applications needing a precisely regulated supply within a wide variety of input voltages, including automotive and aviation, telecommunication, and automation systems. This device can also be used as an adjustable power supply.The S-1333B23-A4T2U3 has an operating temperature range of -40 to +85°C, with a line regulation rate of 0.02%. The quiescent current is typically 4 mA, and the output current is 3A for continuous operations up to 25℃ and derated linearly to 1A at 85℃. The device has excellent line and load regulation and an output voltage that is adjustable within 1% (typical) of the preset value.The S-1333B23-A4T2U3 is ideal for applications requiring an adjustable regulated output over a wide range of input voltage. It is easy to adjust the output voltage within the recommended operating conditions over the wide input voltage range, from +2.85V to +36V. The output voltage is adjusted by connecting a resistor between current sensing pin (CS) and voltage sense pin (VS) of device. The output voltage is given by the following equation: Vout = (1/K)*((1/(R2))+(1/R1)). Where K = 100mr, R1 = 0.25Ω and R2 = resistance value in ohms ranged from 0.015Ω to 6.2KΩ.

The S-1333B23-A4T2U3 is also equipped with built-in protection features such as over-temperature protection, over-current protection and reverse leakage current protection. The over-temperature protection is implemented when the die temperature reaches +145°C, which shuts down the device and resumes operation when the temperature reduces below +135°C. The over-current protection is activated when the incident current exceeds 4A at a junction temperature of 125°C. The device limits the output current to 4A to protect the device. The reverse leakage current protection ensures the leakage current does not surpass 3mA when the input voltage is more than 5V.In summary, the S-1333B23-A4T2U3 is an adjustable linear voltage regulator suitable for a variety of applications. It features an operating temperature range of -40 to +85°C, a line regulation rate of 0.02%, and an output voltage that is adjustable within 1% (typical) of the preset value. In addition, the device is designed with various built-in protection features such as over-temperature protection, over-current protection and reverse leakage current protection to provide comprehensive protection. Therefore, the S-1333B23-A4T2U3 is an ideal choice for a wide range of applications needing a precisely regulated supply within a wide variety of input voltages.

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