STMicroelectronics

LDK120C11R

LDK120C11R Description

The LDK120C11R is a high-performance linear regulator designed by STMicroelectronics, a leading manufacturer of power management integrated circuits (PMICs). This device is specifically engineered to provide a stable and efficient power supply in a variety of electronic applications. The LDK120C11R features a fixed output voltage of 1.1V and can deliver a maximum output current of 200mA. It operates within an input voltage range up to 5.5V, ensuring compatibility with a wide range of power sources.

LDK120C11R Features

• Output Type: Fixed at 1.1V, ensuring consistent power delivery.
• Input Voltage Range: Up to 5.5V, providing flexibility in power source selection.
• Output Current: Capable of delivering up to 200mA, suitable for applications requiring moderate power.
• Low Dropout Voltage: A maximum dropout voltage of 0.3V at 200mA ensures high efficiency even at low input-to-output voltage differences.
• Low Quiescent Current: With a quiescent current of only 60 µA, the LDK120C11R minimizes power consumption during operation.
• Enable Control Feature: The enable function allows for dynamic control of the regulator's operation, enhancing power management capabilities.
• Protection Features: Over-current and over-temperature protections safeguard the device and connected circuits from damage.
• High PSRR: A power supply rejection ratio (PSRR) of 55dB across a frequency range of 120Hz to 10kHz ensures excellent noise filtering.
• Mounting Type: Surface mount technology (SOT323-5) allows for compact and reliable integration into PCB designs.
• Compliance: The LDK120C11R is REACH unaffected and RoHS3 compliant, meeting stringent environmental and safety standards.

LDK120C11R Applications

The LDK120C11R is ideal for a range of applications where stable and efficient power supply is critical. Its low dropout voltage and low quiescent current make it particularly suitable for battery-powered devices, where maximizing battery life is essential. The enable control feature allows for dynamic power management, making it ideal for systems that require power modes-saving. The regulator's compact SOT323-5 package and surface mount technology ensure easy integration into space-constrained designs.

Conclusion of LDK120C11R

The LDK120C11R from STMicroelectronics stands out as a reliable and efficient linear regulator, offering a fixed 1.1V output and a maximum output current of 200mA. Its low dropout voltage and low quiescent current make it an excellent choice for battery-powered applications, while the enable control feature enhances power management capabilities. The device's compliance with REACH and RoHS3 standards ensures it meets environmental and safety requirements. With its robust protection features and high PSRR, the LDK120C11R provides a stable and noise-free power supply, making it a versatile solution for a wide range of electronic applications.