LM2670SX-12

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LM2670SX-12 is a DC DC switching regulator from the Power Management Integrated Circuits (PMIC) Voltage Regulator range from Texas Instruments. It offers the user the benefits of low power consumption and high efficiency. It is capable of delivering a 0.3 watt constant output power with a high efficiency of up to 93%.

The LM2670SX-12 is designed for a wide range of applications including Cellular Phones, PDAs, Aerospace/Military, DVD players, Networking and Medical. It is particularly suitable for handheld battery operated applications, such as mobile phones, where small size and low power consumption are essential. The LM2670SX-12 has an integrated circuit that includes an oscillator and other components to convert the input voltage to a regulated output voltage and provide a maximum output current of up to 1.2A.

The LM2670SX-12 is a step-up DC-DC converter. It converts the input voltage at a constant frequency of 500 KHz into a regulated output voltage. The switching process of the device eliminates the requirement of an additional inductor and reduces the size of the converter. The output voltage is easily adjustable by varying the voltage divider and is accurate within 0.2%.

The LM2670SX-12 features an integrated over voltage and over temperature protection, which protects the device from damage due to excessive voltage or temperature. It also features internal soft start circuitry which prevents inrush current from damaging the load when the power supply initially turns on. The LM2670SX-12 has a low quiescent current of 13µA during normal operation, making it highly power efficient.

The device additionally features an enable/shutdown pin which allows the user to adjust the output voltage of the device according to their operational needs. Due to its ability to operate over a wide temperature range of - 40°C to + 125°C, the LM2670SX-12 is capable of handling extreme temperature conditions in various applications.

In summary, the LM2670SX-12 is an efficient and lightweight DC-DC converter offering multiple features such as an adjustable output voltage, over voltage and over temperature protection, low quiecent current, and soft start. It is ideal for battery-powered devices where small size and low power consumption are significant features.

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