STMicroelectronics LDLN025M30R 3V Linear Voltage Regulator
- Brand: STMicroelectronics
- Product Code: LDLN025M30R
- Availability: In Stock
$0.13
- Ex Tax: $0.13
STMicroelectronics LDLN025M30R: High-Performance Linear Voltage Regulation
The STMicroelectronics LDLN025M30R is a precision linear voltage regulator designed for modern electronic applications requiring stable 3V power supply solutions. This SOT-23-5 packaged IC delivers 250mA output current with exceptional efficiency and reliability, making it ideal for portable devices, industrial control systems, and embedded electronics.
Key Technical Specifications
Engineered with advanced CMOS technology, this fixed-output regulator operates within a 5.5V maximum input voltage range while maintaining a consistent 3V output. Its ultra-low dropout voltage of 0.2V at 250mA load current ensures optimal performance in battery-powered applications. The device's 25μA quiescent current and 425μA maximum supply current contribute to exceptional energy efficiency, while its 80dB PSRR (100Hz-100kHz range) guarantees stable voltage regulation even in noisy environments.
| Parameter | Value |
|---|---|
| Output Voltage | 3V (Fixed) |
| Max Output Current | 250mA |
| Dropout Voltage | 0.2V @ 250mA |
| PSRR | 80dB ~ 60dB (100Hz ~ 100KHz) |
| Operating Temp | -40°C to 125°C (TJ) |
Advanced Protection Features
Built with comprehensive safety mechanisms including over-current protection, thermal shutdown, short-circuit protection, and soft-start functionality. These integrated safeguards ensure reliable operation in demanding environments while extending component lifespan. The enable control feature provides convenient power management capabilities for system designers.
Manufactured in a compact SOT-23-5 package, this regulator offers space-saving advantages for modern PCB designs. Its surface-mount configuration simplifies assembly processes while maintaining excellent thermal performance. The device's robust design meets automotive and industrial temperature requirements, making it suitable for both consumer and commercial applications.
Design Flexibility
The LDLN025M30R's combination of low dropout voltage, high PSRR, and minimal quiescent current makes it particularly well-suited for battery-powered devices where power efficiency and stability are critical. Engineers can leverage these characteristics in applications such as:
- Portable medical devices
- Industrial sensors
- Wearable electronics
- Wireless communication modules
- Automotive control units
When compared to competing solutions, this STMicroelectronics regulator stands out through its optimized balance of performance parameters and robust protection features. The device's ability to maintain regulation under varying load conditions makes it a reliable choice for precision electronics applications requiring stable voltage references.
Why Choose LDLN025M30R?
This voltage regulator combines cutting-edge semiconductor technology with practical design considerations. Its enable pin provides easy control for power management systems, while the comprehensive protection circuitry reduces the need for external components. The device's thermal performance in a small SOT-23-5 package addresses modern electronics' space constraints without compromising reliability.
Tags: Low Dropout Regulator, Portable Electronics, Industrial Power Supply, SOT-23 Package, Voltage Regulation IC