STMicroelectronics

LDK320ADU33R

The LDK320ADU33R is a low-power, high-precision, and high-stability LDO (low-dropout) voltage regulator from STMicroelectronics. It is designed to provide a stable output voltage to electronic circuits, ensuring reliable operation and performance.

Description:

The LDK320ADU33R is a compact, surface-mount LDO regulator available in a small SOT-23 package. It has a typical output voltage range of 1.2V to 36V, with an adjustable output voltage feature that allows for customization to specific application requirements.

Features:

1. Low dropout voltage: The LDK320ADU33R has a low dropout voltage of 300mV, ensuring stable output voltage even under heavy load conditions.
2. High input voltage range: It can handle input voltages from 2.5V to 36V, making it suitable for a wide range of applications.
3. Adjustable output voltage: The output voltage can be adjusted using an external resistor network, providing flexibility for various applications.
4. Low quiescent current: The LDK320ADU33R has a low quiescent current of 65µA (typical), which helps to minimize power consumption in battery-powered devices.
5. High accuracy and stability: The LDO offers high accuracy and stability, with a typical line regulation of 0.2% and load regulation of 0.5%.
6. Short-circuit protection: The device features built-in short-circuit protection to safeguard against output overloads.
7. Thermal shutdown: The LDK320ADU33R has a thermal shutdown feature to protect against overheating.

Applications:

1. Portable devices: The low quiescent current makes the LDK320ADU33R suitable for battery-powered applications, such as smartphones, tablets, and wearable devices.
2. IoT devices: The adjustable output voltage and low power consumption make it ideal for IoT devices, where precise voltage regulation is required for various components.
3. Medical equipment: The high accuracy and stability of the LDK320ADU33R make it suitable for use in medical equipment, where reliable voltage regulation is crucial.
4. Industrial control systems: The wide input voltage range and high stability make the LDO suitable for industrial control systems, where a stable power supply is essential.
5. Telecommunication equipment: The LDK320ADU33R can be used in telecommunication equipment to provide stable voltage regulation for sensitive components.

In summary, the LDK320ADU33R is a versatile, low-power, and high-stability LDO voltage regulator from STMicroelectronics, suitable for a wide range of applications, including portable devices, IoT devices, medical equipment, industrial control systems, and telecommunication equipment.