STMicroelectronics

LDK130M33RY

LDK130M33RY Description

The LDK130M33RY from STMicroelectronics is a high-performance, fixed 3.3V output linear voltage regulator designed for automotive-grade applications. With a 300mA output current capability and a low dropout voltage of 0.4V at full load, this regulator ensures stable power delivery even under demanding conditions. Its 5.5V maximum input voltage and ultra-low quiescent current (60 µA) make it ideal for battery-powered and energy-efficient systems. The device is housed in a compact SOT23-5 package, suitable for space-constrained designs, and is available in Tape & Reel (TR) packaging for automated assembly.

LDK130M33RY Features

• Automotive-Grade Compliance: Meets stringent automotive reliability standards, ensuring robustness in harsh environments.
• Low Dropout Voltage: 0.4V @ 300mA minimizes power loss, enhancing efficiency.
• High PSRR (55dB): Excellent noise rejection for sensitive analog and digital circuits.
• Enable Control: Features an enable pin for power management, reducing standby current.
• Protection Mechanisms: Includes over-current and over-temperature protection for enhanced system safety.
• Low Quiescent Current (60 µA): Optimized for battery-operated devices, extending operational life.
• RoHS3 & REACH Compliant: Environmentally friendly and suitable for global markets.

LDK130M33RY Applications

• Automotive Electronics: Power management for infotainment, sensors, and control modules.
• Portable Devices: Ideal for IoT nodes, wearables, and handheld instruments due to low Iq.
• Industrial Systems: Reliable voltage regulation for PLCs, motor drivers, and instrumentation.
• Consumer Electronics: Used in smart home devices, cameras, and audio equipment for clean power delivery.
• Medical Devices: Suitable for low-power diagnostic tools and patient monitoring systems.

Conclusion of LDK130M33RY

The LDK130M33RY stands out as a high-efficiency, automotive-qualified linear regulator with superior PSRR, low dropout, and ultra-low quiescent current. Its compact form factor, robust protection features, and enable control make it a versatile choice for automotive, industrial, and portable applications. For engineers seeking a reliable, space-saving power solution, this regulator delivers exceptional performance in demanding environments.