STMicroelectronics Voltage Regulator 5.5V 5-Pin SOT-23 Package LDLN025M18R

STMicroelectronics LDLN025M18R is a high-performance voltage regulator designed for low voltage, low noise power management applications. Packaged in a compact 5-pin SOT-23 surface mount package, this voltage regulator supports input voltages from 1.5 V up to a maximum of 5.5 V, delivering up to 250 mA output current with exceptional efficiency and low dropout voltage of just 250 mV at full load.

Key electrical features include ultra low output noise of 6.5 μVRMS, very low quiescent current of 12 μA at no load, and a precise output voltage accuracy of ±2% over line, load, and temperature variations. The device incorporates high power supply rejection ratio (PSRR) capabilities ensuring minimal output noise ripple and interference, with 80 dB at 100 Hz and 60 dB at 100 kHz.

Advanced protection features such as overcurrent limits, thermal shutdown, and internal soft-start enhance reliability and prevent damage in adverse conditions. The regulator features logic-controlled electronic shutdown and output discharge for safe and controlled operation within embedded systems.

Designed to operate reliably across a wide industrial temperature range from -40 °C to +125 °C, this component is suitable for use in industrial, commercial, and consumer electronics requiring stable voltage regulation with minimal noise and high efficiency.

The compact SOT-23 5-pin package (dimensions: length 2.95 mm, width 1.65 mm, height 1.3 mm) facilitates easy surface mounting on printed circuit boards, optimizing space in densely packed electronic assemblies.

Operates with ultra low output noise of 6.5 μVRMS, ideal for noise-sensitive applications. Wide operating input voltage from 1.5 V to 5.5 V supports diverse power sources. Low quiescent current of 12 μA at no load minimizes power consumption.

Very low dropout voltage ensures efficient power regulation. High PSRR enhances output voltage stability in noisy environments. Incorporates logic-controlled electronic shutdown and output discharge. Flush overcurrent and thermal shutdown protections improve device safety.

Industrial operating temperature range of -40 °C to +125 °C suits harsh environments. Compact 5-pin SOT-23 package for space-saving PCB design. Positive polarity voltage regulator for reliable power management.

This product is made in Malaysia and conforms to industrial quality standards for power management ICs. It is widely used in embedded systems, portable electronics, instrumentation, automotive electronics (non-automotive grade), and general electronic devices requiring precise low voltage regulation with low noise and high efficiency.

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