TPS77618DR

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TPS77618DR is a high-performance, low-cost voltage regulator that belongs to Texas Instruments’ Texas Instruments family of products. It is a low-noise, high-efficiency, synchronous step-down converter, enabling very low output ripple. This highly efficient synchronous step-down voltage regulator achieves up to 95.0% efficiency, making it suitable power conversion solution for power systems requiring high power density and low power losses under all load conditions.

The TPS77618DR voltage regulator is available in packages that include space-saving SOT-223 and SO-8 packages and integrates two HXTs (High-Side Transistors) and two LXTs (Low-Side Transistors). This product is ideal for applications such as microprocessors, FPGAs, digital signal processors, and other high power ICs.

The TPS77618DR voltage regulator utilizes an advanced topology that makes Synchronous buck current-mode (SIMC) control architecture and an internally compensated voltage reference. This device incorporates an Adaptive Off-Time Control (AOTC) that adjusts the frequency based on output current. The TPS77618DR regulator can operate over a wide input range (4.5 to 40V) with adjustable output voltage (up to 1.2V). It is specifically designed to be very efficient over a wide range of load current from light load to full load.

The output of the TPS77618DR voltage regulator is regulated accurate to within ±0.5% accuracy at a given temperature. The output ripple is kept low by using an internal high-side MOSFET and low-side MOSFET switch. The current limit is internally programmable by using logic-level or resistor-port pin. The PGOOD indication pin is also included to indicate the output regulation.

The operating cycle of the TPS77618DR voltage regulator is started by the application of an input voltage. This starts the internal DC-DC converter, and the output voltage is then regulated and maintained at the required setpoint. The internal MOSFETs and controller architecture allow power to be delivered efficiently, under all load conditions. When the output voltage is regulated, the TPS77618DR voltage regulator will enter a low-power state, subjected to very low quiescent current.

The TPS77618DR voltage regulator is an ideal solution for wide range of power delivery requirements in low-noise, low-distortion, high-efficiency applications. It is suitable for powering ASICs, DSPs and FPGAs, with adjustable voltage settings, low noise, and high efficiency over the input and output ranges. It has features like low power start-up, fast transient response, programmable current limit, and PGOOD indicator. The output voltage is stable and accurately regulated to within ±0.5%. This regulator is also available in space-saving SOT-223 and SO-8 packages.

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