STMicroelectronics

LDK320ADU30R  

Linear & Switching Voltage Regulators

LDK320ADU30R Description

The LDK320ADU30R is a high-performance linear voltage regulator designed by STMicroelectronics, a leading manufacturer in the semiconductor industry. This regulator offers a fixed output voltage of 3V and is capable of delivering a maximum output current of 200mA. It is designed for surface mount applications and comes in a compact SOT89 package, making it suitable for space-constrained designs. The LDK320ADU30R features a low dropout voltage of 0.35V at 200mA, which ensures efficient power conversion even at low input-to-output voltage differentials. This regulator is ideal for a wide range of applications requiring stable and reliable power supply solutions.

LDK320ADU30R Features

• Output Type: Fixed output voltage of 3V, ensuring stable power delivery.
• Input Voltage Range: Capable of handling input voltages up to 18V, providing flexibility in power source selection.
• Output Current: Delivers a maximum output current of 200mA, suitable for low-power applications.
• Low Dropout Voltage: A maximum dropout voltage of 0.35V at 200mA, enhancing efficiency in low-voltage applications.
• Low Quiescent Current: Features a low quiescent current of 90µA, which is ideal for battery-operated devices.
• High PSRR: Offers a high power supply rejection ratio (PSRR) ranging from 88dB at 120Hz to 48dB at 10kHz, ensuring clean power output.
• Protection Features: Includes over-current and over-temperature protection, safeguarding the device and connected circuits from damage.
• Compliance: RoHS3 compliant and REACH unaffected, ensuring environmental safety and regulatory compliance.
• Mounting Type: Surface mount technology (SMT) with a Tape & Reel (TR) package, facilitating automated assembly processes.
• Moisture Sensitivity Level: MSL 1 (Unlimited), making it suitable for various manufacturing environments.

LDK320ADU30R Applications

The LDK320ADU30R is well-suited for a variety of applications where a stable and efficient power supply is essential. Its low dropout voltage and low quiescent current make it ideal for battery-powered devices, such as portable electronics, handheld devices, and IoT sensors. The regulator's high PSRR ensures minimal noise and ripple in the output voltage, making it suitable for sensitive analog and mixed-signal applications, including audio amplifiers and precision instrumentation. Additionally, its compact SOT89 package and surface mount configuration make it a perfect fit for space-constrained designs, such as wearable devices and compact consumer electronics.

Conclusion of LDK320ADU30R

The LDK320ADU30R from STMicroelectronics is a versatile and efficient linear voltage regulator that offers a combination of high performance and reliability. Its low dropout voltage, low quiescent current, and high PSRR make it stand out in the market, providing significant advantages over similar models. The regulator's compact size and surface mount configuration further enhance its appeal for modern, space-efficient designs. Whether powering portable devices, sensitive analog circuits, or compact consumer electronics, the LDK320ADU30R delivers stable and efficient power, making it an excellent choice for a wide range of applications.

LDK320ADU30R Documents

Download datasheets and manufacturer documentation for LDK320ADU30R