LTC3703EG#TRPBF

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The LTC3703EG#TRPBF is a DC–DC switching controller chip that belongs to the Voltage Regulators — DC DC Switching Controllers category of PMIC products. Designed and manufactured by Linear Technology, the chip\'s full name is the LTC3703 High-Voltage, High-Current DC-DC Step-Down Controller.

The device is housed in surface-mount packages with PowerPAD™ technology, which allows for a maximum power dissipation of more than 5 W. It has a wide operating temperature range of -40 to +125 °C, allowing it to be used in a variety of environments. This broad temperature range also improves the chip\'s reliability and makes it attractive for industrial and automotive applications.

The LTC3703\'s integrated high-side current-ource switch is capable of handling loads up to 15 A with a maximum voltage drop of 2 V. Its high maximum output voltage of 24 V helps to ensure a fast power-up and power-down sequence, making it an ideal choice for battery-operated applications. Its advanced protection circuitry includes under voltage lockout (UVLO) and current-limit protection (CLP), helping to prevent damage to sensitive components.

The chip\'s primary operating principles are switched-mode power conversion and pulse-width modulation (PWM). The LTC3703 operates by constantly adjusting its on-time between 0% and 100%, based on the desired output voltage. This allows for an efficient power transfer from the input to the output, resulting in a lower overall voltage ripple and increased efficiency.

The chip is capable of operating over a wide input voltage range of 6.5 V to 24 V, making it suitable for a variety of input sources, such as regulators and battery packs. It can be used for step-down and step-up voltage conversion, and supports boost, buck, and forward topologies.

The LTC3703 is a highly efficient and reliable DC-DC step-down controller, making it an ideal choice for applications that require high-voltage, high-current power conversion. Its wide input and output voltage range, combined with its excellent protection features and wide operating temperature range makes it a great choice for industrial and automotive applications.

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