The TPS7A3001DRBT from Texas Instruments is a low-noise, high-PSRR, negative, adjustable low-dropout (LDO) voltage regulator with enable. It is capable of providing an output current of up to 200mA and has a wide input voltage range of -3V to -36V. The TPS7A3001DRBT is ideal for a variety of applications, including battery-powered systems, portable electronics, and industrial equipment.

Features

Low noise: 35µVrms output noise at 100mA load High PSRR: 72dB PSRR at 120Hz Adjustable output voltage: -1.18V to -33V Wide input voltage range: -3V to -36V High output current: 200mA Enable input Overcurrent and overtemperature protection Small 8-SON package Benefits

The TPS7A3001DRBT's low noise and high PSRR make it ideal for sensitive applications, such as audio and RF circuits. The adjustable output voltage allows for flexibility in design. The wide input voltage range makes the TPS7A3001DRBT suitable for a variety of applications. The high output current makes the TPS7A3001DRBT ideal for powering demanding loads. The enable input allows for power management and sequencing. The overcurrent and overtemperature protection features help to protect the device and the load from damage. The small 8-SON package makes the TPS7A3001DRBT easy to integrate into space-constrained designs. Applications

Battery-powered systems Portable electronics Industrial equipment Medical devices Test and measurement equipment Audio and video equipment Communication equipment Networking equipment Example Circuits

The following are some example circuits that use the TPS7A3001DRBT:

Battery-Powered System: Adjustable Output Voltage: The output voltage of the TPS7A3001DRBT can be adjusted by connecting resistors R1 and R2 to the FB pin. The following equation can be used to calculate the output voltage:

Enable Input: The TPS7A3001DRBT can be enabled and disabled by connecting the EN pin to a digital signal. When the EN pin is high, the TPS7A3001DRBT is enabled. When the EN pin is low, the TPS7A3001DRBT is disabled.

Conclusion

The TPS7A3001DRBT is a versatile LDO voltage regulator that is ideal for a variety of applications. It offers low noise, high PSRR, a wide input voltage range, and a high output current. The TPS7A3001DRBT is also available in a small 8-SON package, making it easy to integrate into space-constrained designs.