TPS61256CYFFR

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TPS61256CYFFR, developed by Texas Instruments, is a fixed-frequency DC-DC converter that is part of the PMIC - Voltage Regulators - DC DC Switching Regulators family. This device is a smart power converter that has low-power mode, adjustable frequency, adjustable output voltage, and start-up current limitation, in addition to a PWM-controlled switched-capacitor core. It has full protection functions, including short-circuit protection, undervoltage protection and overvoltage protection, and is ideal for battery-powered systems due to its low quiescent current draw.

The TPS61256CYFFR enables dynamic load-sharing between two parallel-connected and independently controlled power rails. This makes it an ideal choice for applications such as battery-operated, point-of-load converters, where two voltage rails are needed. It can also be used in a wide range of other applications, such as MP3 players, phones, and portable medical equipment.

The working principle of the TPS61256CYFFR is based on switched-capacitor technology. The controller implements a PWM-controlled switched-capacitor topology to regulate the output voltage. The controller also includes all necessary features for external MOSFETs to serve as the low-side switches, including turn-on control, turn-off control, temperature protection, and overcurrent protection. This enables the TPS61256CYFFR to achieve fast transient response while keeping power losses in the power switches at a minimum.

The controller also allows the external components to be easily configured for different output voltages and current levels. It supports input voltage ranges from 4.5V to 6V, and supports output voltage adjustment from 0.8V to 4.0V with a maximum output current of 2A. It also includes adjustable switching frequency, enabling the device to adapt to various application and operating conditions.

The device includes a low-power mode to extend battery life. This mode reduces the quiescent current draw to very low levels, significantly improving the device\'s overall efficiency. In addition, the device\'s wide input voltage range and low output voltage ripple make it an ideal choice for power applications that require high efficiency and accurate regulation at low output voltages.

The TPS61256CYFFR is a suitable choice for battery-powered applications, allowing the system to switch quickly between low-power and high-power modes, while maintaining high efficiency and accuracy. It also offers excellent protection features, making it an ideal choice for a wide range of applications, from portable consumer electronics to medical devices.

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