STMicroelectronics

LD39115J15R

LD39115J15R Description

The LD39115J15R is a high-performance linear regulator designed for applications requiring a stable and efficient power supply. Manufactured by STMicroelectronics, this device is part of the Power Management Integrated Circuits (PMIC) category, specifically tailored for delivering a fixed output voltage of 1.5V with a maximum output current of 150mA. The regulator is designed to operate with an input voltage range up to 5.5V, making it suitable for a variety of electronic systems.

This regulator is housed in a compact 4-Flip Chip package, which is ideal for space-constrained applications. The device features a low dropout voltage of 0.11V at 100mA, ensuring high efficiency even under low input-to-output voltage differentials. The LD39115J15R also boasts a low quiescent current of 50 µA and a maximum supply current of 70 µA, contributing to its overall energy efficiency.

LD39115J15R Features

• Output Type: Fixed
• Voltage - Input (Max): 5.5V
• Current - Output: 150mA
• Number of Regulators: 1
• Output Configuration: Positive
• Current - Supply (Max): 70 µA
• Voltage - Output (Min/Fixed): 1.5V
• Voltage Dropout (Max): 0.11V @ 100mA
• Current - Quiescent (Iq): 50 µA
• PSRR: 74dB to 67dB (1kHz to 10kHz)
• Control Features: Enable
• Protection Features: Over Current, Over Temperature
• Mounting Type: Surface Mount
• Package: Tape & Reel (TR)
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Product Status: Active
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• ECCN: EAR99
• HTSUS: 8542.39.0001

LD39115J15R Applications

The LD39115J15R is well-suited for a range of applications where a reliable and efficient power supply is critical. Its low dropout voltage and high PSRR make it ideal for use in portable devices, consumer electronics, and industrial systems where noise and power efficiency are paramount. The enable control feature allows for easy power management, making it suitable for applications requiring dynamic power control.

Some specific use cases include:

• Portable Devices: Smartphones, tablets, and other handheld devices that require a stable power supply with minimal power consumption.
• Consumer Electronics: Audio and video equipment, where low noise and high PSRR are essential for maintaining signal integrity.
• Industrial Systems: Sensors and control systems that operate in environments with varying input voltages and require robust protection features.

Conclusion of LD39115J15R

The LD39115J15R from STMicroelectronics stands out as a versatile and efficient linear regulator, offering a combination of low dropout voltage, low quiescent current, and high PSRR. Its compact 4-Flip Chip package and surface-mount configuration make it suitable for a wide range of applications, from portable devices to industrial systems. The enable control feature and robust protection mechanisms further enhance its usability and reliability. For engineers and designers seeking a high-performance, low-power regulator, the LD39115J15R is an excellent choice.