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MIC37301-1.8WR from MIC

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MIC37301-1.8WR

Manufacturer: MIC, MICREL

3.0A, Low-Voltage μCap LDO Regulator

Partnumber Manufacturer Quantity Availability
MIC37301-1.8WR,MIC3730118WR MIC, MICREL 1106 In Stock

Description and Introduction

3.0A, Low-Voltage μCap LDO Regulator **Introducing the MIC37301-1.8WR: A High-Performance LDO Regulator for Precision Power Management**  

In today’s fast-evolving electronics landscape, reliable power management is critical for ensuring optimal performance in sensitive applications. The MIC37301-1.8WR, a low-dropout (LDO) voltage regulator, stands out as a robust solution designed to deliver stable and efficient power with minimal noise.  

Engineered for precision, the MIC37301-1.8WR provides a fixed 1.8V output with an impressive dropout voltage of just 300mV at 1A load current, making it ideal for battery-powered and space-constrained designs. Its ultra-low quiescent current of 120µA (typical) enhances energy efficiency, extending battery life in portable devices such as IoT sensors, wearables, and handheld instruments.  

With a high power supply rejection ratio (PSRR) of 70dB at 1kHz, this regulator excels in suppressing input voltage fluctuations, ensuring clean power delivery to noise-sensitive components like RF modules, analog sensors, and microcontrollers. The MIC37301-1.8WR also features built-in thermal shutdown and current-limit protection, safeguarding against overheating and short circuits for enhanced system reliability.  

Available in a compact 5-pin SOT-23 package, the MIC37301-1.8WR combines high performance with a small footprint, making it suitable for densely populated PCBs. Its fast transient response further ensures stability under dynamic load conditions, a critical requirement for modern digital and mixed-signal circuits.  

Whether used in industrial automation, medical devices, or consumer electronics, the MIC37301-1.8WR offers a dependable power management solution that balances efficiency, accuracy, and durability. For engineers seeking a high-quality LDO regulator, this component delivers the precision and reliability needed to optimize system performance.

Application Scenarios & Design Considerations

3.0A, Low-Voltage μCap LDO Regulator

Alternative Part Number

  • LP38691SD-1.8 --: 1.8V fixed LDO in a similar power range with low dropout, pin-compatible style package options, and widely available as a direct functional substitute.
  • TPS7A4518DCQ --: 1.8V fixed low-dropout regulator with comparable current capability and thermal performance, suitable for replacing the MIC37301 in most designs.
  • LT1963AEQ-1.8 --: 1.8V fixed LDO with low noise and good load regulation, offering similar electrical characteristics for a drop-in style replacement.
  • LT1963AEST-1.8 --: 1.8V fixed low-dropout regulator with similar output current and low noise, suitable drop-in functional replacement.
  • TPS7A4518 --: 1.8V fixed LDO with low dropout and good transient response, a solid alternative when the original Micrel part is unavailable.

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