LTC1872BES6#TRPBF

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The LTC1872BES6#TRPBF is an application-specific integrated circuit (ASIC) designed for the voltage regulation needs of today\'s mobile electronics. The device is a powerful dual-stage voltage regulator suitable for managing the power requirements of portable and other low-power electronics. The LTC1872BES6#TRPBF provides efficient conversion of a wide input voltage range down to a selectable and adjustable output voltage.

Application Field

The LTC1872BES6#TRPBF is ideal for applications where space is limited but power regulation requirements are demanding. The device features input, forced output and software-controlled output protection, making it suitable for powering digital logic, embedded controllers, and radio-frequency transceivers. Examples of applications where this device can be used include automotive systems, industrial control, and remote sensing. In addition, the device is ideal for use in remote power management, portable devices, and battery-powered systems.

Working Principle

The LTC1872BES6#TRPBF operates with a two-stage DC-DC topology, using a high-performance switching regulator to step down the input voltage, followed by a linear regulator for fine(r) voltage adjustments. The device can sustain an input voltage between 4.75V and 24V with a maximum output current of 250mA. The output voltage of the device can be fine(rly) adjusted between 0.8V and 3.3V. The device contains an adjustable soft-start circuit to limit inrush current during start-up and a low impedance power path which eliminates the need for an external MOSFET.

The LTC1872BES6#TRPBF features various features to improve its performance. These include output voltage tracking and error amplifiers, which allow the output voltage to be accurately regulated to a desired value. In addition, there is an integrated load transient response management system which ensures low output voltage ripple, fast response time and efficient operation. The device also features short circuit protection and current limiting features.

In addition to its high performance, the LTC1872BES6#TRPBF is also an efficient and cost-effective device. The device offers an operating efficiency of up to 90% depending on the application, reducing the power loss and providing higher efficiency than other available solutions. Additionally, the device supports an external MOSFET to reduce the total cost of the system.

The device also provides a good thermal performance with a thermal resistance of 0.8°C/W (junction-to-ambient), allowing the device to operate reliably even under hard environmental conditions. It includes an integrated thermal shut-down protection to further protect the device and system against thermal overload.

In conclusion, the LTC1872BES6#TRPBF is a powerful integrated circuit that is ideal for voltage regulation applications in portable, automotive, industrial and embedded systems. With its high efficiency, accurate voltage regulation and thermal protection, the device is designed to ensure reliable system performance.

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