AS1358-BTTT-30

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PMIC Voltage Regulators are primarily used to convert an unregulated DC voltage source into a regulated input voltage source. Typically, this is done by controlling a power transistors switching behavior in order to regulate the output voltage. Linear regulators use the power transistors to pass current through a series of resistors to provide a given output voltage with very little distortion. AS1358-BTTT-30 is a Linear Voltage Regulator by Alps Electric Co Ltd.

The main functions of the AS1358-BTTT-30 are to provide output voltage while also limiting the output current. It also provides short-circuit protection functionality at the output, even if the input power rail is not provided with a reset circuit. The regulator can also detect and protect the output voltage if the voltage and current get too high.

The AS1358-BTTT-30 features a wide voltage range of 2V to 30V and offers very high output voltage accuracy (+/-1% of the set voltage). It also has a very low quiescent current (< 2mA), making it ideal for applications where power efficiency is paramount. Additionally, the product has very low heat dissipation and a reverse current protection (RPC) of 1 mA.

The AS1358-BTTT-30 operates in a two-step process. First, the internal transistors switch on for a short period of time and regulate the output voltage by controlling the voltage divider that resides at the input. This keeps the output voltage at the desired level with very little distortion. Secondly, the current sense resistor provides feedback to the ASIC, which in turn controls the on-time of the switch shorting current coming out of the output. This reduces the output current to a safe level and provides short circuit protection.

The AS1358-BTTT-30 is an excellent choice for regulating output voltages and providing short circuit protection, especially in applications where power efficiency and low quiescent current are paramount. Its wide voltage range and high accuracy make it ideal for a variety of applications, including consumer and automotive electronics, medical devices, and industrial infrastructure.

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