Texas Instruments

TPS73433TDDCRQ1

The TPS73433TDDCRQ1 is a low-power, low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. It is designed to provide a stable and reliable voltage output for a wide range of applications.

Description:

The TPS73433TDDCRQ1 is a small, surface-mount LDO regulator that operates from an input voltage range of 1.8V to 5.5V and provides a fixed output voltage of 3.3V. It is available in a compact DFN (Dual Flat No-Leads) package, making it suitable for space-constrained applications.

Features:

1. Low quiescent current: The TPS73433TDDCRQ1 has a very low quiescent current of 2.5µA, which makes it ideal for battery-powered applications where power consumption is critical.
2. Low dropout voltage: The LDO regulator can operate with a dropout voltage as low as 100mV, ensuring stable output voltage even when the input voltage is close to the output voltage.
3. High PSRR: The TPS73433TDDCRQ1 has a high power supply rejection ratio (PSRR) of 80dB at 1kHz, providing excellent noise immunity and reducing the impact of input voltage fluctuations on the output voltage.
4. Enable function: The LDO features an enable function, allowing the user to turn off the regulator when not in use, further reducing power consumption.
5. Thermal shutdown: The TPS73433TDDCRQ1 includes thermal shutdown protection to prevent damage in case of overheating.

Applications:

The TPS73433TDDCRQ1 is suitable for a wide range of applications due to its low power consumption, low dropout voltage, and compact form factor. Some common applications include:

1. Portable electronics: The low quiescent current makes it ideal for battery-powered devices such as smartphones, tablets, and wearables.
2. IoT devices: The low power consumption and small form factor make it suitable for Internet of Things (IoT) devices, where energy efficiency and space are critical.
3. Medical devices: The TPS73433TDDCRQ1 can be used in medical devices that require a stable and reliable voltage supply with low noise.
4. Industrial equipment: The LDO regulator can be used in industrial applications where a stable voltage supply is required, and space is limited.
5. Automotive electronics: The TPS73433TDDCRQ1 can be used in automotive applications, providing a stable voltage supply for various electronic components.

In summary, the TPS73433TDDCRQ1 is a low-power, low-dropout linear voltage regulator that offers excellent performance in terms of power efficiency, noise immunity, and thermal protection. Its compact form factor and wide input voltage range make it suitable for a variety of applications, including portable electronics, IoT devices, medical devices, industrial equipment, and automotive electronics.