LT3008EDC-5#TRPBF

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The LT3008EDC-5#TRPBF is a high-performance, low-dropout linear regulator with a dropout voltage of 100mV at 100mA current reduction. It is designed for portable applications and provides up to 4A peak output current for short periods at a steady output voltage of 3.3V. The device uses a band-gap reference and MOSFET pass element for its design. It is offered in a compact, 3mmx2mm DFN package and is rated for an operating temperature range from -40°C to 85°C.

LT3008EDC-5#TRPBF is an ideal choice for portable electronic applications, such as cell phones and PDAs, where a steady output voltage is important and the power supply requires a low dropout voltage. It can also be used in industrial applications and other low-power, precision voltage regulation requirements where a high efficiency, fast response and low quiescent current are mandatory.

Application Field and Working Principle

The LT3008EDC-5#TRPBF is a low-dropout linear regulator for precision voltage regulation and can be used with a variety of input voltage sources. It is designed with a band-gap reference and a power MOSFET pass element to provide fast output voltage settling, low dropout voltage and high power conversion efficiency. The device has an adjustable output voltage from 0.8V to 3.3V and a maximum load current of 4A. It also has a thermal shutdown feature to protect against overheating.

In a linear regulator, the input voltage is regulated by using a voltage reference. The LT3008EDC-5#TRPBF uses a band-gap reference to generate an accurately regulated output voltage. The reference is connected to the input voltage, and the internal MOSFET pass element converts the voltage difference between the reference voltage and the input voltage into output current. The pass element acts as a variable resistor, and the output current is controlled by a current-sense amplifier that monitors the output current and adjusts the on-resistance of the MOSFET accordingly.

The LT3008EDC-5#TRPBF also has a power-saving feature that reduces the quiescent current draw to as low as 4.2µA for low-power applications. The device has a low profile, allowing it to be easily mounted on a circuit board, and is rated for an operating temperature range of -40°C to 85°C.

Overall, the LT3008EDC-5#TRPBF is a versatile, high-performance voltage regulator with a low dropout voltage and fast response time. It is ideal for portable electronic applications requiring a steady output voltage and high power efficiency. The device is reliable and robust, making it a great choice for a variety of voltage regulation requirements.

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