STMicroelectronics

LDK130C32R

LDK130C32R Description

The LDK130C32R is a high-performance linear regulator from STMicroelectronics, designed to deliver a fixed output voltage of 3.2V with a maximum output current of 300mA. This device is optimized for low dropout operation, with a maximum dropout voltage of 0.4V at 300mA, making it ideal for applications where input voltage is close to the required output voltage. The regulator features a low quiescent current of 60 µA and a supply current of up to 120 µA, ensuring high efficiency and minimal power loss. It is housed in a compact SOT323-5 package, suitable for surface mount applications, and is REACH unaffected and ROHS3 compliant, adhering to stringent environmental standards.

LDK130C32R Features

• Output Type: Fixed 3.2V output voltage ensures stable power supply for sensitive electronic components.
• Input Voltage Range: Accepts a maximum input voltage of 5.5V, providing flexibility in power source selection.
• Output Current Capability: Delivers up to 300mA of output current, sufficient for a wide range of low-power applications.
• Low Dropout Voltage: Maximum dropout voltage of 0.4V at 300mA allows operation with minimal voltage difference between input and output.
• Low Quiescent Current: 60 µA quiescent current and 120 µA supply current maximize efficiency and reduce power consumption.
• Control Features: Includes an enable pin for easy control and power management.
• Protection Features: Over-current and over-temperature protection ensure reliable operation and protect against potential faults.
• High PSRR: 55dB at frequencies from 120Hz to 10kHz, providing excellent noise rejection and stable output voltage.
• Packaging: Available in a surface mount SOT323-5 package, suitable for compact and space-constrained designs.
• Compliance: REACH unaffected and ROHS3 compliant, meeting environmental and regulatory standards.

LDK130C32R Applications

The LDK130C32R is well-suited for a variety of applications where a stable and efficient power supply is required. Its low dropout voltage and low quiescent current make it ideal for battery-powered devices and portable electronics, where power efficiency is critical. The regulator's compact size and surface mount package are perfect for space-constrained applications, such as smartphones, tablets, and wearable devices. Additionally, its high PSRR and stable output voltage ensure reliable performance in sensitive electronic systems, including IoT devices, medical equipment, and industrial sensors.

Conclusion of LDK130C32R

The LDK130C32R from STMicroelectronics stands out as a reliable and efficient linear regulator, offering a fixed 3.2V output with a maximum current of 300mA. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for applications requiring high efficiency and stable power supply. The compact SOT323-5 package and surface mount compatibility ensure it fits seamlessly into modern, space-constrained designs. With its robust protection features and compliance with environmental standards, the LDK130C32R is a versatile and future-proof solution for power management in a wide range of electronic devices.