SI-3012KS-TL

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The SI-3012KS-TL is an adjustable linear voltage regulator integrated circuit (IC). It is a three terminal, negative adjustable, post-regulated low dropout (LDO) linear regulator. This IC has been designed specifically for use in mobile and embedded systems and operates at up to 1.2A continuous load current and with a dropout voltage of only 0.6V at full load. Furthermore, the SI-3012KS-TL features an over-current and short-circuit protection, as well as thermal shutdown protection.

The SI-3012KS-TL is a very versatile IC when it comes to applications and provides designers with a wide range of options for power management. Due to its extremely low dropout voltage, it is particularly suitable for use in low power, low voltage systems. These can include embedded systems, mobile phones, portable media players, cameras and other handheld devices. The SI-3012KS-TL also can be used in laptop computers, set-top boxes, cordless telephones, automotive audio/video systems, lighting, security and communication devices.

The SI-3012KS-TL is a very efficient IC, with a typical output voltage of 0.85V to 5.5V on a voltage input range of 0.7V to 8V. The IC\'s wide operating temperature range derives from its low quiescent current and its combination of thermal-shutdown and short/over-current protection features. All of these features make the SI-3012KS-TL unique in comparison to other available linear voltage regulators.

The working principle of the SI-3012KS-TL is based on a differential amplifier controlling a P-channel MOSFET. The drain of the MOSFET is connected to the output terminal of the IC, the gate is connected to the voltage reference terminal and the source is controlled by error amplifier. The reference voltage is set by a resistor divider from the input voltage. The logic signal from the error amplifier is also applied to the gate of the MOSFET. If the voltage at the output terminal is lower than the reference voltage, the MOSFET is switched on, allowing current to flow from the input supply to the output. When the output voltage exceeds the reference voltage, the MOSFET is switched off, reducing the current flow.

The SI-3012KS-TL is an ideal IC for powering low-power, low-voltage systems due to its extremely low dropout voltage, low quiescent current, wide operating temperature range and its combination of thermal-shutdown and short/over-current protection features. In addition, the SI-3012KS-TL offers the designer a wide range of options for power management, making it the perfect choice for designers looking for a cost effective, reliable and efficient linear voltage regulator.

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