S-1137B34-U5T1G

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The S-1137B34-U5T1G is a 3V to 5V, step-up linear voltage regulator, manufactured by Shimano. It is part of the S-1137 family of regulators, which offer low operating current and high efficiency. The S-1137B34-U5T1G is designed to provide a reliable and efficient source of voltage regulation in portable and industrial applications.

The S-1137B34-U5T1G can be used as either a step-up or step-down voltage regulator, depending on the application. The input voltage range for the regulator is 0.6 V to 5.25 V, and the output voltage range is from 3V to 5V. The maximum output current is 2A, and the switching frequency is 1 MHz. The operating environment of the S-1137B34-U5T1G should be between -20°C and 85°C, and the operating humidity must not exceed 85%.

The S-1137B34-U5T1G is ideal for applications where it is necessary to step up or step down small voltages, or when precise voltage regulation is required. Its low quiescent current and high efficiency make it ideal for energy efficient applications such as battery-powered systems, where long operating times are essential. The S-1137B34-U5T1G is also well-suited for use in industrial and medical applications.

The S-1137B34-U5T1G uses a linear regulator configuration to efficiently regulate the output voltage. The regulator uses a feedback loop to monitor the output voltage and adjust the input voltage accordingly. The regulator consists of an error amplifier, an internal reference voltage, a current mirror, and an external resistor. The error amplifier monitors the output voltage and compares it to the internal reference voltage. When the output voltage deviates from the reference voltage, the error amplifier adjusts the current mirror, which in turn adjusts the input voltage. The adjusting resistance value is determined by the external resistor.

The S-1137B34-U5T1G also offers over-current and thermal protection to prevent damage from excessive current or temperature. The over-current protection limits the output current to 2A and the thermal protection limits the junction temperature to 125°C. The S-1137B34-U5T1G also features built-in reverse-voltage protection to protect the regulator from damage due to incorrect wiring.

In summary, the S-1137B34-U5T1G is a versatile and efficient voltage regulator for a variety of small voltage applications. Its low operating current, wide operating temperature range, and ample protection make it an ideal choice for applications where reliability is key. The S-1137B34-U5T1G can be used as either a step-up or step-down regulator, and its internal feedback loop ensures precise and efficient regulation of the output voltage.

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