LD39015M18R - STMicroelectronics

Manufacturer Part Number

LD39015M18R

Manufacturer

STMicroelectronics

Introduction

The LD39015M18R is a high-efficiency, low drop-out (LDO) linear voltage regulator designed for powering sensitive electronic circuits from a lower voltage power source, ensuring minimal power loss.

Product Features and Performance

High PSRR (65dB ~ 62dB from 1kHz ~ 10kHz) ensuring stable output voltage against input noise

Very low dropout voltage (0.1V @ 100mA) for efficient operation close to the power source voltage

Low quiescent current (50 µA), reducing standby power consumption

Max output current of 150mA suitable for a wide range of applications

Operational temperature range from -40°C to 125°C, suitable for industrial applications

Enable feature for power management flexibility

Overcurrent and over-temperature protection features enhance component longevity

Product Advantages

High power supply rejection ratio (PSRR) maintains stable operation in noisy environments

Low dropout improves efficiency, especially in battery-powered applications

Extended temperature range supports use in harsh environments

Protection features enhance reliability and safety in operation

Key Technical Parameters

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 1.8V

Voltage Dropout (Max): 0.1V @ 100mA

Current Output: 150mA

Current Quiescent (Iq): 50 µA

PSRR: 65dB ~ 62dB (1kHz ~ 10kHz)

Quality and Safety Features

Overcurrent and over-temperature protection, ensuring reliability and a longer product lifespan

Designed and manufactured by STMicroelectronics, guaranteeing high quality

Compatibility

Surface Mount mounting type with a compact SOT-23-5 package for easy integration into a wide range of electronic circuits

Application Areas

Mobile and portable devices

Low-power IoT devices

Power supply circuits in sensitive electronic equipment

Industrial control systems

Product Lifecycle

Product Status: Active, indicating ongoing production and support

No imminent discontinuation, ensuring long-term availability for new designs

Several Key Reasons to Choose This Product

High efficiency and low power loss thanks to very low dropout

High PSRR offers superior performance in noisy power supply conditions

Wide operational temperature range suitable for diverse environmental conditions

Protection features for enhanced reliability and safety

Manufactured by STMicroelectronics, a reputable leader in semiconductor solutions