STMicroelectronics

LDL1117S15R

LDL1117S15R Description

The LDL1117S15R is a high-performance linear voltage regulator designed by STMicroelectronics, a leading manufacturer in the power management integrated circuit (PMIC) category. This regulator is specifically engineered to provide a stable 1.5V output voltage with a maximum output current of 1.2A. It is ideal for applications requiring a fixed output configuration and operates within an input voltage range up to 18V. The LDL1117S15R is housed in a surface-mount SOT223 package, making it suitable for compact and high-density PCB designs.

LDL1117S15R Features

• Output Type: Fixed at 1.5V, ensuring consistent power supply to sensitive electronic components.
• Input Voltage Range: Up to 18V, providing flexibility for various input power sources.
• Output Current: Capable of delivering up to 1.2A, making it suitable for demanding applications.
• Low Dropout Voltage: A maximum dropout voltage of 0.6V at 1.2A ensures efficient power conversion even at low input-to-output voltage differences.
• Protection Features: Over-current protection, over-temperature protection, and under-voltage lockout (UVLO) safeguard the regulator and connected components from damage.
• Low Quiescent Current: Only 500 µA, minimizing power consumption during standby or low-load conditions.
• High Power Supply Rejection Ratio (PSRR): Ranging from 87dB at 120Hz to 65dB at 100kHz, ensuring minimal noise and ripple in the output voltage.
• Compliance: REACH Unaffected and ROHS3 Compliant, adhering to stringent environmental and safety.
  standards- Moisture Sensitivity Level (MSL): Level 1 (Unlimited), suitable for a wide range of manufacturing environments.
• Mounting Type: Surface mount, ideal for automated assembly processes and compact designs.
• Packaging: Tape & Reel (TR), facilitating efficient handling and storage in production environments.

LDL1117S15R Applications

The LDL1117S15R is well-suited for a variety of applications where a reliable, low-noise power supply is essential. Key applications include:

• Consumer Electronics: Ideal for powering sensitive components in smartphones, tablets, and other portable devices.
• Industrial Equipment: Suitable for instrumentation and control systems requiring stable power sources.
• Telecommunications: Reliable power supply for base stations and networking equipment.
• Automotive: Suitable for in-vehicle electronics where high reliability and low noise are critical.
• Medical Devices: Provides stable power for medical equipment, ensuring accurate and reliable operation.

Conclusion of LDL1117S15R

The LDL1117S15R from STMicroelectronics stands out as a robust and reliable linear voltage regulator, offering a combination of high performance and advanced protection features. Its fixed 1.5V output, low dropout voltage, and high PSRR make it an ideal choice for applications requiring stable and low-noise power supply. The regulator's compliance with environmental standards and its surface-mount package further enhance its suitability for modern, compact designs. Whether used in consumer electronics, industrial systems, or medical devices, the LDL1117S15R provides a dependable power solution that meets the demands of today's high-performance applications.