The TPS71730DCKR is a low-power, low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. This device is designed to provide a stable and reliable output voltage to power sensitive electronic circuits.
Description:
The TPS71730DCKR is a 300-mA low-dropout linear regulator with a very low quiescent current of only 5.5 µA. It has a wide input voltage range of 2.5V to 5.5V and can provide a fixed output voltage of 3.3V, 5V, or an adjustable output voltage from 1.23V to 5V. The device is available in a small, thermally enhanced WSON package.
Features:
- Low dropout voltage: The TPS71730DCKR has a low dropout voltage of 300mV at (Typ.), ensuring stable output voltage under a wide range of input voltages and load conditions.
- Low quiescent current: The device has a very low quiescent current of 5.5 µA (Typ.), making it ideal for battery-powered applications where power consumption is critical.
- Wide input voltage range: The TPS71730DCKR can accept input voltages from 2.5V to 5.5V, making it suitable for a variety of power supply scenarios.
- Fixed or adjustable output voltage: The device can provide a fixed output voltage of 3.3V or 5V, or an adjustable output voltage from 1.23V to 5V, offering flexibility for different applications.
- High PSRR: The TPS71730DCKR has a high power supply rejection ratio (PSRR) of 65 dB at 1 kHz, ensuring low output voltage noise and ripple.
- Thermal and overload protection: The device includes thermal shutdown and overcurrent protection features to protect against fault conditions.
Applications:
- Portable devices: Due to its low quiescent current, the TPS71730DCKR is well-suited for battery-powered applications such as smartphones, tablets, and wearable devices.
- IoT devices: The low power consumption and wide input voltage range make it an excellent choice for Internet of Things (IoT) devices that require efficient power management.
- Wireless communication: The TPS71730DCKR can be used to provide a stable power supply for wireless communication modules in devices like routers, access points, and Bluetooth devices.
- Automotive: The device can be used in automotive applications where a low-dropout voltage regulator is required, such as infotainment systems, GPS units, and sensor interfaces.
- Industrial control: The TPS71730DCKR can be used in industrial control systems where a stable and reliable power supply is essential for the proper functioning of electronic circuits.
In summary, the TPS71730DCKR is a low-power, low-dropout linear voltage regulator that offers a combination of low quiescent current, low dropout voltage, and a wide input voltage range. Its features make it suitable for a variety of applications, including portable devices, IoT devices, wireless communication, automotive, and industrial control systems.