TPS54060ADGQ

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TPS54060ADGQ is an integrated device specially designed by Texas Instruments with excellent performance and low cost. It is a 110 mA, synchronous, step-down, DC/DC converter, which can provide adjustable output voltage at up to 2.5 MHz switching frequency. It is easy to use and has excellent control performance.

TPS54060ADGQ has wide application field in various electronic products, such as portable and wearable products (like cellular phones and smart-glasses as they need very small components but better performance) and computer peripherals.

The core of TPS54060ADGQ is P-channel and N-channel synchronous MOSFETs and a small controller, which provides 1mA gate drive current and 196mR mirrored gate drive switch resistance.

Working principle of TPS54060ADGQ is based on the PWM control mode, and its output voltage is adjusted according to its feedback voltage. At first, it turns on the P-channel MOSFET and supplies the output voltage to load. Then, it goes into soft-off state and turns on the N-channel power MOSFET, so the current flows to the MOSFET which is controlled by the output capacitor. At last, the MOSFET reenters soft-off state and the output voltage is regulated.

The P-channel and N-channel power MOSFETs are combined in series circuit and with the help of PWM control, so it can achieve synchronous rectification, reduce switch resistance and power consumption, and reach ideal efficiency. In addition, the TPS54060ADGQ device can operate in pulse-skip mode to minimize the complexity and overall power consumption.

Apart from that, its temperature compensation circuits, output voltage accuracy correction, and analog and digital soft-start circuits enable control over a wide range of output voltage, input voltage and output current. The TPS54060ADGQ also has a very low static quiescent current of 5.0 μA, which can greatly reduce the power consumption in no-load operating state. Therefore, it has become the most popular step-down DC/DC converter in the market.

In summary, TPS54060ADGQ is a highly efficient and low cost DC/DC converter, which can provide adjustable output voltage with excellent control performance. It has wide application field in various electronic products and can achieve synchronous rectification for better efficiency. Low quiescent current can greatly reduce the power consumption in no-load operating state.

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