STMicroelectronics LDK220M30R Linear Voltage Regulator IC
- Brand: STMicroelectronics
- Product Code: LDK220M30R
- Availability: In Stock
$0.09
- Ex Tax: $0.09
STMicroelectronics LDK220M30R: High-Performance Linear Voltage Regulation for Modern Electronics
The STMicroelectronics LDK220M30R Linear Voltage Regulator IC represents a pinnacle of precision engineering in the realm of power management solutions. Designed for applications requiring stable and efficient voltage regulation, this device combines compact SOT-23-5 packaging with robust performance metrics. As an essential component for embedded systems, portable devices, and industrial equipment, the LDK220M30R delivers consistent 3V output while maintaining operational reliability under demanding conditions.
Key Features and Technical Excellence
Operating with a maximum input voltage of 13.2V, this regulator achieves a remarkable 350mV dropout voltage at 200mA load current, ensuring optimal power efficiency even in low-headroom scenarios. Its fixed 3V output specification eliminates the need for external resistor networks, simplifying PCB design while maintaining ±2% output accuracy across varying load conditions. The device's 55dB PSRR (Power Supply Rejection Ratio) across frequencies from 120Hz to 10kHz demonstrates exceptional noise suppression capabilities, making it ideal for sensitive analog circuits and RF applications.
Engineered with modern power management requirements in mind, the LDK220M30R incorporates comprehensive protection features including thermal shutdown and overcurrent limiting. These safeguards ensure reliable operation across its extended -40°C to 125°C operating temperature range, making it suitable for both consumer electronics and industrial environments. The device's quiescent current of just 90µA (max 100µA supply current) further enhances its energy efficiency credentials, particularly valuable in battery-powered applications.
| Parameter | Specification |
|---|---|
| Output Voltage | 3V (Fixed) |
| Max Output Current | 200mA |
| Dropout Voltage | 350mV @ 200mA |
| PSRR | 55dB ~ 50dB (120Hz ~ 10kHz) |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Package | SOT-23-5 |
Applications and Design Flexibility
This versatile regulator finds application in a wide array of electronic systems, from IoT devices and wearable technology to industrial control systems and automotive electronics. Its surface-mount SOT-23-5 package enables space-constrained designs while maintaining thermal performance through optimized PCB layout. The enable control feature allows for power sequencing in multi-rail systems, while the device's inherent stability eliminates the need for external capacitors in many implementations.
As part of STMicroelectronics' extensive portfolio of power management solutions, the LDK220M30R exemplifies the company's commitment to miniaturization without compromising performance. Its compatibility with standard reflow soldering processes and RoHS compliance make it a preferred choice for modern manufacturing requirements. Whether powering microcontrollers, sensors, or communication modules, this regulator ensures consistent voltage delivery while protecting connected components from power-related anomalies.
Tags: Linear Regulator, STM IC, SOT-23 Package, Voltage Regulation, Embedded Systems