The TPS73433DDCR is a low-power, low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. It is designed to provide a stable and reliable output voltage to power sensitive electronic circuits in various applications.
Description:
The TPS73433DDCR is available in a small, thermally-enhanced DFN (Dual Flat No Lead) package. It has an input voltage range of 1.9V to 5.5V and can deliver an output current of up to 300mA. The device features a low dropout voltage of 250mV at maximum load, ensuring efficient power delivery even under low input voltage conditions.
Features:
- Low quiescent current: The TPS73433DDCR has a very low quiescent current of 2.5µA (typical), making it ideal for battery-powered applications where power consumption is critical.
- Low dropout voltage: With a dropout voltage of 250mV at maximum load, the LDO can maintain a stable output voltage even when the input voltage is close to the output voltage.
- High PSRR (Power Supply Reject Ratio): The TPS73433DDCR offers a high PSRR of -65dB at 1kHz, ensuring that noise from the input voltage is minimized at the output.
- Small package size: The device is available in a compact DFN package, making it suitable for space-constrained applications.
- Enable/Disable control: The LDO features an enable/disable control pin, allowing for efficient power management in systems with multiple power rails.
- Overcurrent protection: The TPS73433DDCR includes overcurrent protection to prevent damage to the device or connected components in case of a short circuit or overload.
Applications:
- Portable electronics: The low quiescent current and low dropout voltage make the TPS73433DDCR ideal for use in battery-powered devices such as smartphones, tablets, and wearables.
- IoT devices: The low power consumption and small form factor of the LDO make it suitable for powering Internet of Things (IoT) devices, such as sensors and smart home appliances.
- Medical devices: The TPS73433DDCR can be used in low-power medical devices, such as wearable health monitors and portable diagnostic equipment, where stable and reliable power is essential.
- Industrial control systems: The LDO can be used in industrial control systems and automation equipment, where stable power supply is required for sensitive electronic components.
- Automotive applications: The TPS73433DDCR can be used in automotive applications, such as infotainment systems and advanced driver-assistance systems (ADAS), where low power consumption and stable power supply are crucial.
In summary, the TPS73433DDCR is a low-power, low-dropout linear voltage regulator from Texas Instruments, designed to provide stable and reliable power to sensitive electronic circuits in a wide range of applications, including portable electronics, IoT devices, medical devices, industrial control systems, and automotive applications. Its low quiescent current, low dropout voltage, and small package size make it an ideal choice for space-constrained and power-sensitive applications.