TPS76328DBVR

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Texas Instruments’ TPS76328DBVR is a Voltage Regulator Linear (VR) device specifically developed for applications requiring a reliable and accurate voltage source. It is a precision voltage, low power, and low noise linear regulator with a high input voltage capability that can be used with a wide variety of input sources from 4.5 V up to 32 V. It also offers standard features without additional external components for most applications.

The device contains a power Stage, an error amplifier, an output driver and a phase locked loop (PLL). The power Stage is responsible for regulating the output voltage according to the voltage reference and the voltage error generated by the error amplifier.

The error amplifier compares the reference voltage to a feedback voltage and generates an error signal that is used by the PLL to adjust the power Stage duty cycle to maintain an output voltage that is closest to the reference voltage. The output driver modulates the pulses generated by the PLL to provide a regulated output current.

TPS76328DBVR is suitable for many different types of power management applications such as microprocessor, DSP, FPGA and ASIC-based systems. It is suitable for usage in consumer, industrial, automotive, or medical applications and can be used in DC/DC converters, step-down converters, or inverters. It is designed to allow for flexibility of design as it works with a wide range of input voltages and offers standard features without additional external components.

The device has a wide input voltage range of 4.5 V to 32 V and an adjustable output voltage range of 0.8 V to 5.0 V. The output voltage is trimmed to ±1% accuracy to ensure the best possible regulation performance. It has an extremely low quiescent current of only 1 µA. The device also includes other features such as under voltage lock-out, thermal shutdown protection, and current limiting.

TPS76328DBVR includes many dynamic performance features such as multiple turn-on/turn-off modes, which provide improved system transient response and also reduce EMI levels. The device also features programmable rise and fall times to tailor the converter response to the specific application needs. The converter switching frequency is user adjustable via an external resistor.

The TPS76328DBVR is designed with the N-channel MOSFETs on the low-side and high-side of the control loop to reduce the efficiency droop, improve the dynamic response and minimize the inductor size. It also features excellent line and load transient response. The TPS76328DBVR offers a high efficiency power conversion and is capable of delivering up to 20A output current.

The TPS76328DBVR is ideal for a wide range of power management applications such as space limited industrial, automotive, consumer and medical systems, DC/DC converters, step-down converters, and inverters. It is a cost effective, reliable and efficient solution for any application that requires a reliable and accurate voltage source.

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