TPS56C215RNNT

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The TPS56C215RNNT Controller is a synchronous buck Switching Voltage Regulator (SVR) for DC-DC conversion. It offers a wide input voltage range from 4V to 60V and supports a maximum output current of 3A (20-pin PQFN package) or 5A (20-pin TSSOP package). The TPS56C215RNNT supports a wide range of applications, including microprocessors and memory, and telecom applications.

The TPS56C215RNNT incorporates an advanced control circuitry that enables selectable frequency, duty cycle and soft-start features. The frequency range is between 1.2 kHz and 1 MHz, and the load line regulation is ±0.5%. This reduces the output voltage ripple to as low as 10 mV on the low-side supply, and achieves load regulation of ±0.2%.

The TPS56C215RNNT uses an intelligent multi-phase operation to reduce the electromagnetic interference (EMI) and improve the efficiency of the switching power supply. This feature allows for low start-up current pulsation, making it ideal for low input voltage applications. The controller has integrated overload protection and short-circuit protection functions. It also includes a line-sense function to keep the output voltage constant at a predetermined level.

The TPS56C215RNNT features a wide range of programmable features that can be used to customize the function of the voltage regulator, including output voltage, current limit and output ripple. The TPS56C215RNNT is designed to be used in a wide range of applications, including automotive, consumer, industrial and communication systems.

The TPS56C215RNNT is available in a small package and includes a thermal shutdown feature to protect the controller against excessive power dissipation. The controller is also RoHS compliant.

The working principle of the TPS56C215RNNT is quite simple: it operates by converting incoming AC power into DC power. The incoming power is rectified by a bridge rectifier and then filtered to remove the AC noise and ripple. The output voltage is regulated by the current-mode control, which maintains the desired output voltage even under fluctuating load and input conditions. The switching frequency is also regulated by the frequency control circuit, which varies the duty cycle to adjust the output voltage and current.

The TPS56C215RNNT is an ideal choice for a variety of applications, including microprocessors and memory requirements in a wide variety of environments including automotive, consumer, industrial and communication systems. The controller is very efficient, with an input-to-output efficiency of 85%.

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